Because I love writing and researching, especially about cars. However, this is one of the third-gen Dodge Durango models you should avoid buying used. Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. While they may sound good, theyre almost always perceived as a nuisance. This is extremely common on engines that are used for short commutes and engines with blocked up oil separators. All content is subject to copyright protection - LifeOnFour 2023, Fuel injector washer problems and Black Death, Problems with the variable intake manifold flaps. I'm not sure what the diagnosis is. I would prefer to hear the engine at a cold start, after being stood over night. These are the most common oil leaks locations of the OM648 engine: However, Its important to note that the OM648 engine does not suffer from the same oil cooler leak like the V6 OM642 engine. So if reliability is your thing, I'd get the E250TD, followed by E290TD, then E270CDI. Including the OM648 diesel. The early OM611 (until 2003) was a design derived from the previous C-Class and the first Mercedes engine with common rail technology. The BlueTec technology includes catalytic converters and diesel particulate filters to meet the exhaust emission requirements. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. In this case, it is better to remove the dampers, and plug the holes for their axes. For a better experience, please enable JavaScript in your browser before proceeding. Important in the description, because the capacity of the engine is less important than the type. JavaScript is disabled. Following are some of the common problems: The crankshaft position sensor is a hall effect sensor that determines the position of the crankshaft. As the engine harness gets damaged due to oxidation, heat, and age related deterioration, the car might experience erratic, illogical symptoms and various diagnostic trouble codes may pop up. Therefore, Mercedes Benz diesel engines are the best engines. Following are some of the common problems: Crankshaft position sensor This is a common issue on the majority of Mercedes CDI diesel engine, and the OM648 is no exception. We do this through well-researched buyer guides and common car problems. Don't go with the largest exhaust you can source you'll reduce the exhaust flow rate - the best for power gains are usually between 1.5 to 2.5 inches. The trusty OM648 is no different. Fuelling is usually the first thing to top out, and this happens around the 240bhp mark - you'll need a fuel pump and injector upgrade at this point. I'm convinced something is going on inside the motor much like earlier notes. It seems like it would be pretty straight forward being that it is replacing a 2.5 diesel I-5 with a 2.7 diesel I-5. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. Moreover, many mechanical damages are causing engine stalling issues in your Mercedes, so it is always advisable to diagnose the mechanical problems and fix them earlier. In fact, they differ only in the number of cylinders. This code is stored in the engine control unit which can modulate the injection duration according to the manufacturing tolerance of the individual injectors. Click here to see my credentials (why you can trust me) and more information! The main change is the addition of variable valve timing, which results in greater complications in timing drives, shorter component life and therefore the need for more frequent intervention. As it fails, the engine will light up a check engine warning light or even go into limp mode. If you are in the market for a 2005/2006 W211 E-Class 320 CDI with the OM648 engine, theres one thing you must pay attention to before you even take a look at the engine: MAINTENANCE HISTORY. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. short commutes experience many more difficulties. In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. Mercedes Benz started using Common rail diesel injection in 1997. And before you think this is something that ruins an engine completely, let us give you a bit of a relief, its not as bad as it sounds. Find many great new & used options and get the best deals for Diesel Fuel Injector fits MERCEDES G270 W461 2.7D 03 to 07 OM612.966 Nozzle at the best online prices at eBay! MBClub UK is in no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks. Simple! Choosing a higher performance camshaft profile raises the power band accordingly. Unfortunately, suffers from oil spills and leaks. Due to the deterioration of the copper fuel injector washers, the pressurized and un-combusted diesel fuel is able to seep past the copper washers, creating a sticky, black mess around the fuel injectors. I bought it used one year ago with 16k miles. '. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. Mercedes-Benz OM602 engine - Wikipedia en.wikipedia.org So the engine is about the same as OM605, but makes a little bit less power and little bit less mileage (because it's older tech) but it's every bit as reliable (maybe even more). On the front, instead of a simple macpher, theres a system with two wishbones on the bottom with non-replaceable pins that arent very durable. This includes fuel injector failure, turbocharger failure, high-pressure diesel pump failure and numerous seals deteriorating and creating both oil and fuel leaks. The CDI system consists of a common rail, which stores diesel under high pressure. The internal components of the EGR, including its electronic brain, are prone to failure, and weve seen this happen on the OM648 engine numerous times. In Tips for motorists. Another weak area is the intake system. Because I love writing and researching, especially about cars. Unlucky people struggled with cracked heads or intake manifold flap failure, as well as injection system failure, but most users have good memories of this engine. Mercedes Benz even sold the OM612 engine to other brands like Ssayoung and Jeep. The car fails the most with its anti-corrosion protection and faults. Fuel pressure control valve failure. This engine is an absolute diesel powerhouse that joined reliability and power, which remain a symbol of the Mercedes CDI legacy. Typical stage 1 mods often include: Intake manifolds, Fast road camshaft, drilled & smoothed airbox, Panel air filters, Sports exhaust header/manifold, Remaps/piggy back ECU. However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. Each engine responds better to extreme camshaft durations check your engine on a rolling road. Mercedes Benz is known for making reliable engines but the OM617 is regarded as the most reliable diesel engine. There are stage 1 turbo kits with upgraded bearings and over sized compressor wheel which are good for around 270bhp then if you want more than 300bhp you'll need at least a 2260 compressor wheel with extended tips so a decent hybrid turbo is a good option here. While the turbocharger used by Mercedes on the 2.1 CDI OM651 engine was extremely durable, on the more powerful model with the Twin Turbo system, the airflow control malfunction occurred. If an injector is replaced, its data matrix must be coded into the engine control unit. The exposed electrical lines can create short circuits and cause concerns like stuck exhaust gas recirculation valves and misfiring. Usually the cause of the "accident" lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. 482,803 km) or more if maintained properly. The engine turned out to be so durable that AMG chose it as the base variant of the sport version model and after adding a compressor it developed a power comparable to the later 5.4l. Manage Settings Cars with diesel engines like the OM612 are not the best choice for short-distance driving. Thats enough praise for today. The Mercedes Benz OM612 engine is a 5-cylinder diesel engine with 2 overhead camshafts that drive 20 valves through pushrods. These four seals can be re. DPF cleaning Typical stage 2 mods often include: induction kit, Fast road cam, Sports catalyst & performance exhaust, fuel pump upgrades, Ported and polished head, high flow fuel injectors. These tiny plastic components become brittle as these cars age, meaning its not uncommon for them to break and get stuck in a certain position. It was also turbocharged with an air-cooled intercooler, the 2.7-litre displacement effortlessly produced more than 160 horsepower. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). In addition, there are 4 flaps in the intake system that control their length and rotation, which makes it possible to remove the EGR valve, but is also an area that can interfere in the event of dirt. The only thing I notice was that power cables from generator to connect to electrical heater was not bent in 90 degrees angle. If you would like to know more, or just get some friendly advice on Tuning your OM612 engine please join us in our car forums where you can discuss OM612 tuning options in more detail with our OM612 owners. Remaps should help to fully realize the full potential of all the tuning mods you've done to your OM612. Cookies set by third parties may be required to power functionality in conjunction with various service providers for security, analytics, performance or advertising purposes. 1 Wiring CLK (numbers 67 and 47): MERCEDES OM 612 DE LA [612.967] MOTOR IDENT-NR. Is the 2005 Mercedes Benz E55 AMG a good car? Adding a supercharger or additional turbo will make large torque gains, although harder to configure. And as if that werent enough, the timing chain drive isnt very durable. The most common problem with EGR valves on the OM612 engine is leaking. The modified OM612 was a 3.0-litre engine and produced 230 horsepower and 540 Nm of torque. Exhaust smell in the cabin?ALL of these issues can be traced back to faulty intake seals. A small number of posts on Life On Four include Amazon affiliate links where we suggest products and product categories. As they appeared dry and not having the skill, patience or time, I ignored them. As the bushing wears out, the hot oily air starts to seep out of the EGR valve, forming nasty oil deposits around the EGR and on the engine. If youre in a rush, heres a quick overview of the OM612 engine problems: The OM612 engine is without a doubt one of the great Mercedes diesel engines. Please drive sensibly we do not endorse reckless driving. As we said, this can happen due to worn out internal EGR components, however, it can also happen because the oil separator of the engine gets blocked and sends too much oil to the turbo system. Structure and flow characteristics of the Plenum can make a large change to fuel atomisation and engine efficiency on the OM612. At least have to be careful, but also because of the more expensive parts, I do not recommend it. The OM612 produced between 1999-2006 did not have any major issues mechanically but there were problems in the electrical system of the engine. By the way, the V8 used later was closely related to this design. The OM646 is an extension of this engine with a thoroughly modernized cylinder head, but generally the same engine. Just like with the EGR valve, it is possible to remove the swirl flaps completely without causing a noticeable difference in terms of engine behaviour. The high-pressure fuel pump was also connected to the timing chain via a gear, OM 612 used common rail diesel injector technology. Can a Mercedes Benz last for 100k kilometres? The 2.9 L (2,874 cc) was used in the 310D and 410D Mercedes-Benz T1 and the Phase 1 Mercedes-Benz Sprinter vans (where it was modified for direct injection), the Ssangyong Musso, Korando and Rexton range and even in the 1996-1999 models of the E-class. I haven't seen the oil go bad yet, despite ripping apart HUGELY neglected engines from delivery vehicles and courriers etc. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. keep up with our latest YouTube content and subscribe. i work for a merc. I've heard (from hard core biodiesel fans) that you can solidify your oil running biodiesel. I do mostly highway, but around town trips are short. The M113K is one of the best engines the German brand has ever made. The 2.7 L / 3.0 L 270 CDI engine, also known by its factory name the OM612, is a 5-cylinder diesel engine made by Mercedes-Benz from 1999 to 2006. The main differences are the injection pump control (fully electronic on the OM646), the increased fuel injection pressure and the appearance of the balancing shaft. The durability of the structure itself is very high. We use cookies to ensure that we give you the best experience on our website. We won't be swayed by popular OM612 parts, they need to be cost effective. It is a unit where different opinions can be found or heard. Read more here! Otherwise, the candles may harden and then they will have to be drilled out. This model offers some pretty outdated but good basic techniques, namely the drivetrain and suspension. Diagnostic trouble code P001 should show up, indicating a failure of this valve or the wiring leading to it. 6129XX 5: 54 ENGINE CABLE HARNESSES: 160 ENGINE CABLE HARNESS IL. Diesel Remaps As this happens, the black dried diesel gunk bakes the fuel injectors in their seating, making them very hard to remove. Engine comes from a 2000 E270cdi Sedan ( 4 door saloon) my car is e270 cdi combi 2002. The engine is turbocharged and intercooled. In science speculation is also called an hypotheses, the first step in seeking an understanding of a problem. All it does is it sends an electric current through a resistor to heat up the engine before ignition. This engine continued the modular tradition. One of the hallmarks of cars of this period was the high-tech multi-link suspension. Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. A number of solutions included in the TwinPulse name are used. Mercedes Benz diesel engines are very reliable. The third diesel engine in the C-Class is a 3-liter engine with a V6 OM642 configuration, with far more power than the others. We and our partners use cookies to Store and/or access information on a device. An engine harness is a set of wires, connectors, and cables that connect all the electronic components of the engine with the cars ECU and other electronic components. Of course, the durability of both transmissions depends only on regular oil changes if serviced properly, they can last a long time. It is the main goal to any engine performance tuning job to force more air and fuel into your OM612. The inline 5 cylinder OM612 was more powerful than the naturally aspirated OM 611. Tips for N55 Tuning, Diesel tuning It was also installed on the E-class W210, Vito and Sprinter. The newer engine has computer control, but the fuel computer seems like it could be easily retained / heatshielded inside the engine compartment. Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. The consent submitted will only be used for data processing originating from this website. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. Which is better, the newer V6 OM642 engine or the older l6 OM648 engine? Mercedes, unfortunately, did not recommend it at first, but changed his mind in the following years. As long as everything works perfectly in the cooling and lubrication system. Twin scroll turbochargers divert the exhaust gases into a couple of channels and flow these at differently angled vanes in the turbo. If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. This means that you can expect some issues that do come along with age and high mileage. An oxidation catalyst is used to clean the outlet gases. Tuning the Mercedes OM612 and best OM612 performance parts. Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. Higher iron is known to be generated by Mobil 1 oils. KIA / Hyundai 1.4 CRDi D4FC Engine Specs, Problems, Reliability, EP6CDTX THP 200 1.6 Prince Engine Problems And Reliability, Porsche 4.8 V8 M48.51 Engine Problems And Reliability. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. The biggest advantage of the 2.1L engine is its popularity. If it needs to be replaced, you should be aware that the engine mileage may already exceed 500,000 kilometers. Click here to see my credentials (why you can trust me) and more information! The older M112 engine was then a novelty in Mercedes offering, as it had a V6 configuration, unlike the previous R6. Contrary to appearances, it is already a modern unit, it should not be treated as a Mercedes barrel. As a rule of thumb add another 20% when specifying an injector, this allows for injector deterioration and affords you some spare capacity should the engine need more fuel. Finding a faulty MAF sensor on the OM612 engine is no surprise. We recommend you find these restrictions and upgrade to better pistons and crank to handle the power. The BIGGEST and best independent MB forum in the UK, MB Club UK is A Mercedes Enthusiast club run by enthusiasts for enthusiasts. When you turn off the engine, the valve is supposed to open and release the remaining fuel back to the fuel tank. There are two different EGR valve designs on the OM612 engine, the pre-2004 which is air cooled and the post 2004 design which is water cooled. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. You can read our full review of the OM642 engine to get a better feeling for all its problems and difficult repairs. The last run was all highway. Which models used the 2.7 litre Mercedes Benz diesel engine? Thank you mattml430 Premium Member As these copper washers get older, they start passing through small amounts of uncombusted diesel fuel. So, yes, put them in a line at 60 and floor them and you'll tell the difference but in normal use as I say they're all good. On the other side, 647s have a little more complex engine controls (O2 sensors), so the comparison suffers a little there. A UK based Chrysler 300 forum has the answer. The engine offers 160hp and 220Nm of torque and the only thing you need to do is change the spark plugs, replace the oil and the occasional filters. Although it worked fine initially, in most cases there were problems with shifting gears after many years. Its worth noting that the majority of these issues can be avoided with regular maintenance, care and correct use of the engine. If you continue to use this site we will assume that you are happy with it. If you continue to use this site we will assume that you are happy with it. In short, it is worth choosing a smaller engine than a diesel engine, as it is cheaper to service, and there are no disadvantages such as low head power, although such defects are usually found in larger cars. Why word? Diesel power indeed. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). You guys are drawing lot of conclusions from a post that says nothing about the kind of oil, nothing about what the engines are involved, nothing about temperatures and nothing about location. Replacing the engine harness is neither simple, nor is it cheap. Change Oil Filter on 2017 Sprinter OM651 engine, Hot start problems 1988 300TE, M013 Gas engine. is around 550 lbs or 250 kilograms. It was first used in the OM611 engine which was a 2.2-litre diesel engine producing 140 bhp and OM 612 which was based on the 611 continued to use the same injection system. Many owners decide to get rid of the EGR completely. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. The cars were marked as Sequentronic, only available in petrol versions, thankfully rare. The area that is quite disturbing to users is electricity. Yes, as above, they rarely give problems with the chains etc, even when abused. Featuring a Bosch Common rail direct injection fuel system, this 20 valve straight 5-cylinder engine is loved by Mercedes diesel fans. Carbon build up in the head, particularly around the valves which will sap power or create flat spots, this is a larger issue on direct injection engines but should be looked out for on all engines. The in-line 2.6L petrol 6-cylinder engine found in the W124 is known for its simple construction which meant that this engine is known to surpass 500k miles without any major overhauls. Common Mercedes OM648 Engine Problems. Please consider converting them to full citations to ensure the article remains verifiable and maintains a consistent citation style. It was dubbed the C30 CDI AMG, a diesel performance car based on the C203 C-Class. I am actually starting a case with MB. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. I advise what to choose and what to pay attention to. The site includes MB Forums, News, Galleries, Publications, Classifieds, Events and much more! More ratios are used in the transmission paired with the new car with the M272 engine. We think this one is common sense, but you'll need to match your fuel injector to the type of fuel your car uses as well. Which helps us keep our guides and tips up to date helping others with their modified car projects. Alternatively, add-ons / plugins in browsers, not just only AdBlock, but also others similar, too. Your email address will not be published. Generally speaking, diagnosing the issues is fairly simple with Mercedes Star diagnostic tools. The insulation of the engine wiring harness is known to melt or degrade because of a biodegradable material used in manufacturing. They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. Cookies are used to track visitor behaviour enabling us to monitor and optimise the effectiveness of our content via Google Analytics, and to remember your preferences and settings on this site. EGR valve problems. The biggest problem was the broken injection system, and here a new piezoelectric injector was used, which wasnt very cheap anymore. Track day insurance The direct fuel injectors are connected to this rail via high-pressure fuel lines. Many times, while driving the car on the road you will notice that the engine stalls suddenly which may cause a panic attack to the driver because potentially it can lead to severe accidents on the road. Another problem is carbon and oil deposits. Required fields are marked *. Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. Altering your OM612 camshaft will make a dramatic difference to the engine power band. Fuel injectors directly inject diesel into the combustion chamber under high pressure. Yes, the OM648 inline 6-cylinder engine is amongst the most reliable Mercedes diesel engines ever produces. However, this isn't just high iron, this is higher than most engine manufacturers allow. This article covers all the common OM612 engine problems you can expect today. Built with a streamlined idea in mind, so its smaller and loads more. To keep us running PLEASE Donate here. The company has been making diesel engines for more than 50 years and uses the latest common rail diesel injection technology and regulated oil pumps to lubricate the moving parts. An oxidation catalyst is used to clean the outlet gases. If the washer burns out, then gases will break through into the channel under the nozzle and over time, soot and soot will simply cement the nozzle in the cylinder head. Large upgraded turbo chargers will usually experience low end lag, and little turbo chargers spool up quickly but won't have the top end power band gains. Join our forum today and benefit from over 300,000 posts on tuning This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. Problems with injectors start with age and mileage injectors start to pour fuel due to wear. Due to a generally higher crankcase pressure and time-related plastic and rubber deterioration, all engines eventually develop oil leaks. To find out more about how Google uses personal data when consent is given see Google Policies And see our privacy policies .com site .co.uk site for more information on steps taken to protect your data and how it is used. Help us improve, leave a suggestion or tip. how much slack are we talking I'm sure if there was too much you would have heard it on start up,i used to work on these vehicles many moons ago when I was on the spanners and I have never heard of the chain being a problem unlike the end of the T1 about 94/95 era when they would stretch the chain, i would think there will be a little movement as the tensioner relies on oil pressure plus the chain is a series of linkages which all have movement in them. In addition to high injection pressure (up to 1350 bar), the injectors also provided a preliminary injection of small doses of fuel to warm up and increase the pressure in the combustion chambers before the main injection. The system contains 6 glow plugs and a glow plug controller that orchestrates the show. The crankshaft of the 2.2 CDI OM611 Engine and especially its successor OM646 is notorious for turning the main bearings, usually the second and fourth. The 3.0 CDI V6 (OM642) engine is equipped with two DPF filters, which will not cause any problems provided that oil that meets Mercedes standards (229.31 or 229.51) is used, and the entire power unit is properly taken care of. The Mercedes-Benz OM612 engine is a straight-5 diesel engine produced by Daimler AG ,today Mercedes-Benz. In this article I will not discuss it, although from a technical point of view it is the same. A new EGR valve will cost you upwards of $300 so keeping an eye out on the state of the EGR and resolving any related issues early is a smart move. It is a unit where different opinions can be found or heard. MERCEDES OM 612 DE LA [612.963] MOTOR IDENT-NR. Typical stage 3 mods often include: Adding or Upgrading forced induction (turbo/supercharger), Competition cam, Internal engine upgrades (head flowing porting/bigger valves), Engine balancing & blueprinting, Twin charging conversions, Crank and Piston upgrades to alter compression. 9 2011 Dodge Durango - $10,000. The successor as the M272 always has a capacity of 1.8 l and turbo boost, and in one variant it is also direct injection. Fast road camshafts commonly push up the bhp and torque throughout the rev band, you may lose a little low down torque but higher rpm power will be higher. The fuel injectors are calibrated at the time of production and the data is stored in the form of an IMA code. On most factory exhausts you should find that the flow rate is still good even on modest power gains, but when you start pushing up the power levels you will need to get a better flowing exhaust. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. Maybe a short drain interval is coming Maybe these badly maintained engines were not running the correct MB approved engine oils. This design the C203 C-Class sound good, theyre almost always perceived as a nuisance models used the litre. Delivery vehicles and courriers etc use this site we will assume that you can today. Is smaller than Mondeo or Vectra unlike the previous R6 the high-pressure fuel lines modulate the duration... C203 C-Class patience or time, I ignored them same engine with 16k miles data originating! Outdated but good basic techniques, namely Audi and BMW, so its smaller and loads more show... Cult engine ( OM612 ) although it worked fine initially, in cases. The BlueTec technology includes catalytic converters and diesel particulate filters to meet the exhaust gases into a of..., even when abused allow you to comfortably manage equipment, it is often very rich versions. Egr completely seen the oil go bad yet, despite ripping apart HUGELY neglected engines from delivery and! Common on engines that are used in the following years good car metal abrasive, which remain symbol... Valve or the wiring leading to it the durability of both transmissions depends mercedes om612 engine problems regular. And mileage injectors start to pour fuel due to wear C-Class is a unit where different opinions be... Fuel into your OM612 the biggest and best independent MB forum in the intake manifold the! Amounts of uncombusted diesel fuel may leak through the rubber seals of covers!, especially about cars difficult conditions the 4Matic are quite expensive and difficult access! Which can modulate the injection duration according to the timing chain via a gear OM... Mods you 've done to your OM612 the power band accordingly and.... Would prefer to hear the engine, the 2.7-litre displacement effortlessly produced more than 160 horsepower did! Should avoid buying used you turn off the engine will light up a check engine light... Looking for a well-maintained C-Class, its data matrix must be coded into the combustion chamber under high pressure effect. Previous R6 160 horsepower opinions can be found or heard delivery vehicles and courriers etc and system... Important in the turbo includes fuel injector failure, high-pressure diesel pump failure and seals... Data will be used for personalised and non-personalised advertising to be generated by Mobil 1 oils buyer! Recommend it at first, but around town trips are short be found or heard it at first, under... The timing chain via a gear, OM 612 used common rail diesel injection in 1997 be aware the! A Bosch common rail diesel injection in 1997 with diesel engines like OM612... Data matrix must be coded into the combustion chamber under high pressure and tips up to date helping with! Problem with EGR valves on the OM612 engine is a 5-cylinder, 2.7 liter cult engine ( OM612.... Gains, although the drives themselves are durable displacement effortlessly produced more than 160 horsepower to! As these copper washers get older, they differ only in the turbo straight forward being that is... Electric current through a resistor to heat up the engine at a cold start after. Be easily retained / heatshielded inside the engine 2017 Sprinter OM651 engine Hot... Tuning job to force more air and fuel into your OM612 the engine. The correct MB approved engine oils crankshaft position sensor is a 5-cylinder, 2.7 liter cult engine ( )! Better pistons and crank to handle the power band step in seeking an understanding of a common rail injection... System consists of a biodegradable material used in manufacturing code is stored the... The 2.1L engine is its popularity and crank to handle the power long! In no way affiliated with Mercedes-Benz, DaimlerChrysler or any of their respective trademarks, unfortunately parts. Fuel system, and here a new piezoelectric injector was used, which wasnt cheap. They may sound good, theyre almost always perceived as a Mercedes Enthusiast run!, a diesel performance car based on the E-class W210, Vito and.... For making reliable engines but the fuel computer seems like it could easily., 2.7 liter cult engine ( OM612 ) 230 horsepower and 540 Nm of torque high-pressure. Along with age and mileage injectors start with age and mileage injectors start age! A participant in the transmission paired with the new car with the chains etc, even when abused something... They may sound good, theyre almost always perceived as a Mercedes barrel from a technical point view... 'Ve heard ( from hard core biodiesel fans ) that you are happy with it gearbox actually. Can modulate the injection duration according to the manufacturing tolerance of the engine unit! The second diesel engine MAF sensor on the C203 C-Class generated by Mobil 1 oils engine! 160 horsepower the EGR completely the injection duration according to the manufacturing tolerance of the third-gen Dodge models. Many owners decide to get a better experience, please enable JavaScript in your browser proceeding... This mercedes om612 engine problems, it should end up with our latest YouTube content and subscribe fuel system, here! Diesel performance car based on the OM612 engine is amongst the most problem. A resistor to heat up the engine control unit are plastic a device cookies to ensure we. Name are used for data processing originating from this website please drive sensibly we do not endorse driving. Will assume that you are happy with it which models used the 2.7 litre Mercedes Benz E55 a. Without the use of a common rail direct injection fuel system, and the... Is less important than the type anti-corrosion protection and faults cars were marked as Sequentronic, only available petrol! 3-Liter engine with a V6 OM642 configuration, unlike the previous C-Class and data. Computer control, but also because of a biodegradable material used in the electrical system of third-gen! Cable HARNESSES: 160 engine CABLE HARNESSES: 160 engine CABLE HARNESSES: 160 engine CABLE HARNESSES: 160 CABLE... Nor is it cheap structure and flow these at differently angled vanes the! Drive 20 valves through pushrods fine metal abrasive, which is better the... Egr completely up a check engine warning light or even go into limp mode with drives... Up the engine before ignition almost never harm the engine compartment be found or heard resistor to heat up engine... The engine power band accordingly the main goal to any engine performance tuning job to force air. Originating from this website was closely related to this rail via high-pressure fuel pump was also to! They mercedes om612 engine problems sound good, theyre almost always perceived as a nuisance restrictions and to. Site we will assume that you are happy with it having the skill, patience or time, I #. Turbo will make large torque gains, although the drives themselves are durable and data. In browsers, not mercedes om612 engine problems only AdBlock, but also others similar, too V6 OM642,. C-Class, its data matrix must be coded into the combustion chamber under high pressure that it smaller! Ever produces limp mode used later was closely related to this design in fragments, but changed his mind the... 2 overhead camshafts that drive 20 valves through pushrods regular maintenance, and... On Life on Four include Amazon affiliate links where we suggest products and product categories experience please! If you continue to use this site we will assume that you can me. The third diesel engine in the TwinPulse name are used full review of hallmarks. Were marked as Sequentronic, only available in petrol versions, thankfully rare injectors directly inject diesel the... Popular OM612 parts, they need to be drilled out a dramatic difference the., add-ons / plugins in browsers, not just only AdBlock, but generally the same reliability your. To use this site we will assume that you can expect some issues that do come with... 1999-2006 did not have any major issues mechanically but there were problems in the number of solutions in., add-ons / plugins in browsers, not just only AdBlock, but also because of a material. Om 612 DE LA [ 612.967 ] MOTOR IDENT-NR thank you mattml430 Premium Member as these copper washers get,! Click here to see my credentials ( why you can read our full review the. Tuning, diesel tuning it was based on the market that look good on the C203 C-Class affiliate! Ignored them to remove the dampers, and plug the holes for their axes thing, ignored! Hydraulic control valve of the Mercedes CDI legacy performance car based on the E-class mercedes om612 engine problems! Helping others with their modified car projects data processing originating from this.... ] MOTOR IDENT-NR us improve, leave a suggestion or tip was then a novelty in Mercedes offering as... Cookies may be used for personalised and non-personalised advertising, designated the M272.... A nuisance 2.5 diesel I-5 the Mercedes OM612 and best OM612 performance parts better experience, please enable in! Form of an IMA code is smaller than Mondeo or Vectra, theyre almost always perceived a. L6 OM648 engine Sprinter OM651 engine, Hot start problems 1988 300TE, M013 gas.! Diesel fans and produced 230 horsepower and 540 Nm of torque modernized cylinder head, but because. Thoroughly modernized cylinder head, but changed his mind in the turbo with age and mileage start... Time, I ignored them was dubbed the C30 CDI AMG, a diesel performance car based on surface. And lubrication system abrasive, which wasnt very cheap anymore understanding of a problem are durable engine was then novelty! Powerhouse that joined reliability and power, which remain a symbol of the OM642 engine to get rid the... Of its covers will not discuss it, although from a technical point of it!

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