We strive to provide the internet with information that will ease your purchase of a new or a used car. I am having issues with a relatively new OM 642 diesel. The engine is turbocharged and intercooled. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This excess oil in the system eventually hits the EGR, it completely overflows it and you get leaks. Still, that's 1.25 BILLION dollars in repairs. The newer engine has computer control, but the fuel computer seems like it could be easily retained / heatshielded inside the engine compartment. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. We deliver enhanced functionality for your browsing experience by setting these cookies. Yes, as above, they rarely give problems with the chains etc, even when abused. If they get stuck in a closed position, they severely impact the operation of the engine. diagnosing flat spots and problems after tuning, 156 PS (115 kW; 154 hp) @ 3800 rpm 330 Nm (243 lbft) @ 14002400rpm, 163 PS (120 kW; 161 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 170 PS (125 kW; 168 hp) @ 4200 rpm 370 Nm (273 lbft) @ 16002800rpm, 231 PS (170 kW; 228 hp) @ 3800 rpm 540 Nm (398 lbft) @ 2000rpm. Cars that were pulled out of a field and driven till they stopped without changing the oil or anything like that for 40kmiles, and that was after they sat for yearsdiesels of old are always clean inside, just wipe with a rag and shiny metal is there, no build up of crap as the fuel is a "cleaner" of sorts and does not evaporate and less a messy gum like gasoline. Engine comes from a 2000 E270cdi Sedan ( 4 door saloon) my car is e270 cdi combi 2002. There is also a coupe-style body called the Sportcoupe. Read more here! 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. What was the commercial name of the OM612 engine? Bio Diesel contains some glycerides (waste veggie oil contains much more glycerides) and over time without proper oil changes these will build up in the engine oil and congeal, turning to jelly at cold temperatures. All engines are equipped with intercoolers. The transmission has a non-durable but fully replaceable gear selection mechanism. The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Fuel injector washer leaks (CDI Black Death). Each of the 6 fuel injectors on the OM648 engine comes with a copper washer that seals the small gap on the fuel injector seat. Please watch this video and subscribe to my YouTube channel. This is very similar to the symptoms here. (v6 diesel,all models,year range is 2005-2008 so far). 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. This prevents the EGR from opening and closing properly, leaving the engine choked up and disrupting the engine operation. Resealing an entire OM612 engine is no joke, and we dont want you to be the next owner who gets hit with numerous leaks and fairly high costs. JavaScript is disabled. However, not many owners realize this, nor do they want to spend money changing all the little rubber seals and gaskets that have deteriorated through the years. Structure and flow characteristics of the Plenum can make a large change to fuel atomisation and engine efficiency on the OM612. Which helps us keep our guides and tips up to date helping others with their modified car projects. Cars with diesel engines like the OM612 are not the best choice for short-distance driving. High mileage OM648 engine problems. By the end of 1999, the common rail diesel injection technology was very popular as it injected the common rail capable of injecting diesel at high pressure without the need for multiple fuel pumps. If you reject them, enhanced functionality will be unavailable. 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. An oxidation catalyst is used to clean the outlet gases. When you turn off the engine, the valve is supposed to open and release the remaining fuel back to the fuel tank. 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. Please drive sensibly we do not endorse reckless driving. Due to a faulty rail pressure control valve, the engine can also be difficult to start or crash during rapid acceleration. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. 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. #6. talkinghorse43 said: In my opinion, the 647 is a little better considering the EGR maintenance issue, glowplug access, high pressure pump durability, and a little better fuel economy. Save my name, email, and website in this browser for the next time I comment. I am concerned with MB blowing this off. For a better experience, please enable JavaScript in your browser before proceeding. Has anyone having the same issues or know the cause only thing i can say is they do seem to have poor service history is this the reason,please any help in the matter would be extremely helpful as we do feel sadden for the customers who have to pay these heavy repair bills thanks to all im sure you all have the same concerns as me. 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. ECU Remapping I'm not sure what the diagnosis is. The 2.2-liter in-line diesel engine Mercedes OM611 was produced from 1997 to 2006 and was installed both on passenger models, such as W202 or W210, and on commercial minibuses. Some of our members have had issues with flat spots or glitches after applying mods and upgrades or tuning, this is not usually related to this engines design, so instead see our article on diagnosing flat spots and problems after tuning which should help you get the bottom of this issue. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. The shaft can be changed separately. I especially recommend this option for the more powerful and larger versions of the engine. The camshaft was mounted in the cylinder head and the cam profiles directly operate the opening and closing of the valves. An example of data being processed may be a unique identifier stored in a cookie. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. Biodiesel? Mercedes Benz OM 612 was even capable of running on biodiesel or vegetable oil without any major modifications. To avoid this issue, simply replace the inexpensive copper washers at the first sign of trouble. The OM612 had double overhead camshafts driven by a timing chain connected to the crankshaft. I think there is "special" circumstance here like the oil degrading or a heat factor/cycles. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. Maybe a short drain interval is coming Maybe these badly maintained engines were not running the correct MB approved engine oils. Usual exhaust restrictions come around the filters installed, so adding a faster flowing sports alternative is the answer. The 6-speed manual gearbox is not a very successful design. The car fails the most with its anti-corrosion protection and faults. Replace your fuel pump's fuse in the fuse box. There's a mod to remove this. It was introduced in 1999 for the 2000 model year in a 170 PS (125 kW; 168 hp) version in the W210 E-Class, W211 E-Class, W163 ML-Class, W203 C-Class and W209 CLK-Class in 2000. The pre-glow system of the OM648 is in essence extremely simple and reliable. The common rail can store diesel which is pressurised by the high-pressure fuel pump and supply it to the fuel injectors at the time of fuel injection. Read more about us. Tuning the Mercedes OM612 and best OM612 performance parts. Problems with the variable intake manifold flaps. We detect unauthorised copyright material taken from our site using pattern matching tools. How would we describe the OM612 engine reliability? Just like the OM646 engine or the V6 OM642 engine, the OM612 experiences problems with the swirl flaps inside the intake manifold. EGR valve problems. All it does is it sends an electric current through a resistor to heat up the engine before ignition. 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. Modification OM 612 DE 27 LA: 5-cylinder, 2685 cm3, bore and stroke 88 and 88.3 mm, respectively, generation CDI II generation. A lousy batch apparently. However, in general, the machine is highly rated for its good characteristics, smooth operation and good performance. Intake and Exhaust - Note that on their own these mods will NOT ADD POWER in most cases, but they can help enhance power after other mods by removing the restriction. After purchase, it is worth taking care of this area. 6129XX 5: 54 ENGINE CABLE HARNESSES: 160 ENGINE CABLE HARNESS IL. This article uses bare URLs, which are uninformative and vulnerable to link rot. Also, a broken pipe from the turbine to the intercooler can often be the cause of the malfunction. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). Some of our partners may process your data as a part of their legitimate business interest without asking for consent. When you improve the power you will need to uprate to the fuel delivery. OM612 Engine Harness Remove and Replace. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. Because I love writing and researching, especially about cars. We do this through well-researched buyer guides and common car problems. Even after 30 years of storage they fire up and run with whatever is sitting in the oil pan! Then the turbo will start to run out of puff, and this will need upgrading, so around 250bhp is a practical limit on most stock turbos on these. Since 1999, this engine and its 5- and 6-cylinder counterparts have received variable geometry turbines. Which models used the 2.7 litre Mercedes Benz diesel engine? It was also installed on the E-class W210, Vito and Sprinter. This keeps the car road legal and will flow much better due to it's higher internal surface area and design, so has the added benefit of keeping your car road legal. Diesel Remaps We won't be swayed by popular OM612 parts, they need to be cost effective. What are the common problems in the 2.7 litre Mercedes Benz diesel engine? I just started the process of opening a case with MB. Simple! Sure they throw rods when run out of oil, but no sludge. How many miles can a Mercedes CLA 250 last? Your feedback and comments are used to keep this page up to date, and help improve the accuracy of these OM612 tuning guides which get regular updates and revisions. While replacing all rocker arms isnt a huge expense (about $250), self-leveling shock absorbers in terms of repair are $128-$154 per item. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. For its powerplant, Affalterbach took the C270 CDI's OM612 inline-five engine - a motor also used for the . How many quarts of oil does a Mercedes Benz E350 take. The engine keeps on turning until the battery is dead. We use cookies to ensure that we give you the best experience on our website. The modified OM612 was a 3.0-litre engine and produced 230 horsepower and 540 Nm of torque. Alternatively, add-ons / plugins in browsers, not just only AdBlock, but also others similar, too. Your email address will not be published. Required fields are marked *. The issues that we list here are based on our experience, web research and NHTSAs owners complaints. (All car owners of all ages and from all countries are welcome). The biggest advantage of the 2.1L engine is its popularity. Low Power? 2. This article was written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions. Problems with the throttle and pneumothorax are also typical. 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. We have tips on removing carbon build up. keep up with our latest YouTube content and subscribe. The fuel line replacement kit from Europarts-SD comes with 5 lines - 3 clear and 2 black hoses. The 2.2 CDI OM611 Engine produces from 82 to 143 hp, while its older 6-cylinder brother develops up to 197 hp. All the nitty-gritty little things that do deteriorate with age and miles will make you go insane. In summary, all gasoline engines can be recommended. Mar 2, 2010. We recommend you find these restrictions and upgrade to better pistons and crank to handle the power. Usually the cause of the accident lies in a stuck EGR valve or a malfunction of the fuel pressure regulator on the rail. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. Motorsport camshafts, push up the higher rpm power band but as a result the car will not idle smoothly and low end power nearly always suffers. The working quality of the engine is affected by the oil which should have a fairly low viscosity (even 0W30), while many engines work on semi-synthetics, because this is the trust of mechanics and users. By the way, the quality of the car improved significantly, but more on that later. We do this through well-researched buyer guides and common car problems. However, the difference between the R4 and R5 is not big enough to release a more powerful variant. Thank you mattml430 Premium Member 1 Wiring CLK (numbers 67 and 47): MERCEDES OM 612 DE LA [612.967] MOTOR IDENT-NR. 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. 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. When replacing the fuel filter on the 2.2 CDI OM611 Engine, its housing must be filled with diesel fuel manually. The second diesel engine is a 5-cylinder, 2.7 liter cult engine (OM612). Save my name, email, and website in this browser for the next time I comment. Here, careful verification is important. If you want less trouble, look for the RWD variant. OM602 engine pdf manual download. Track day insurance Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. Higher iron is known to be generated by Mobil 1 oils. Choosing a higher performance camshaft profile raises the power band accordingly. The BIGGEST and best independent MB forum in the UK, MB Club UK is A Mercedes Enthusiast club run by enthusiasts for enthusiasts. The basic principle behind the CDi injection system is to allow the use of a single high-pressure fuel pump regardless of the number of cylinders in the engine. On the other side, 647s have a little more complex engine controls (O2 sensors), so the comparison suffers a little there. Tips for N55 Tuning, Diesel tuning JavaScript is disabled. With systems like high pressure and low-pressure exhaust gas recirculation, Adblue injection, and SCR with DPF the latest diesel engines are cleaner and more powerful than petrol engines. The insulation of the engine wiring harness is known to melt or degrade because of a biodegradable material used in manufacturing. He made his debut on the C-class W202 in 1998. 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. They are all sold as a single kit. Manage Settings Mercedes Benz even sold the OM612 engine to other brands like Ssayoung and Jeep. It now has 40k miles. Tuning in Forza. The goal is to achieve stable operation and high torque at low revs, so it should end up with problems with timing drives. However, I dont think its worth buying this model for as low as $1500-$2500. The 2011 Dodge Durango is powered by a 290 horsepower 3.6-liter V6 engine. A UK based Chrysler 300 forum has the answer. The CDI system consists of a common rail, which stores diesel under high pressure. The M113K is one of the best engines the German brand has ever made. BenzWorld.org forum is one of the largest Mercedes-Benz owner websites offering the most comprehensive collection of Mercedes-Benz information anywhere in the world. Click here to see my credentials (why you can trust me) and more information! The OM648 is much easier to work on and there are fewer components that commonly fail. As this diesel fuel mixes with dust and as it dries up, it makes a proper black and sticky mess around the fuel injectors. Oil leaks. Electronic component failure doesn't really matter, although it can irritate the driver. *By accessing this site you agree to indemnify us of our administrative costs for your violation of our copyright notice above to a total of 500 per page (250 per image) used without permission, (This covers our time making formal copyright complaints to your web host, your advertising suppliers and requesting the removal of pages from the search engines.). The internet has gloriously named the infamous CDI fuel injector issue as Black Death. 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. They are especially helpful in the lower RPM range, improving the torque in this range and lowering exhaust emissions at the same time. The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Glow plug failures and glow plug controller failure, Fuel injector washer failure and CDI Black Death. Many of these engines are being killed by owners who go into austerity mode, which means using the cheapest oil and consumables. LifeOnFour.co is a participant in the Amazon Services LLC Associates Program. The alternative decat should be considered an off road only mod, as removing a catalyst is illegal in most territories and regions for road registered cars.. Mercedes Benz OM617 could easily do 1,000,000 km without any major repair work. In this case, it is better to remove the dampers, and plug the holes for their axes. If this is not done, then it is possible to air the fuel system and force the injection pump to run dry, which is harmful to the eccentric shaft and plungers. This is extremely common on engines that are used for short commutes and engines with blocked up oil separators. Increasing the OM612 valve size, doing some port work and head flowing will also improve torque, & importantly will permit an improved torque increase on other parts. i work for a merc. Other variants are ok. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. Plastic painting tips for car interior and exterior.Read more Definitions of car styling looksRead more Aftermarket supercharger and turbo kits for Audi, Mercedes and BMWRead more MPG calculator UK miles per Gallon calculate MPGRead more / UK TorqueCars / www.torquecars.com Goodbye, 2000 - 2023 Content of this site: pages may not be substantially or wholly copied without our prior written agreement. I've never seen an oil burn up like that (viscosity increase to a 50 wt) in such a short time / distance. Not to mention the fact that you dont want to be on the receiving end of fuel injectors replacements and other fun stuff. They are cheaper to maintain, but under more difficult conditions the 4Matic works just fine. Please see terms for details. By the way, the V8 used later was closely related to this design. Not only is this insanely hard to clean up, it also bakes in the fuel injectors, making them almost impossible to remove if needed. 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. Common Mercedes OM648 Engine Problems. 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. Be sure to keep up with our latest YouTube content and subscribe. It is difficult to talk about the problem of failure, and this mainly concerns accessories. If youre buying a car with this engine, make sure that some of the components we listed have already been replaced. 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. As long as everything works perfectly in the cooling and lubrication system. Of torque 612 was even capable of running on biodiesel or vegetable oil without any modifications. To 197 hp, all models, year range is 2005-2008 so far.! High torque at low revs, so adding a faster flowing sports alternative is the answer revs, it... A stuck EGR valve or a malfunction of the best choice for short-distance driving CDI system consists of new. To uprate to the crankshaft AdBlock, but under more difficult conditions the 4Matic works just fine whatever sitting... A coupe-style body called the Sportcoupe provide the internet with information that will ease purchase! ( all car owners of all ages and from all countries are welcome ) the power band.... The cheapest oil and consumables 'm not sure what the diagnosis is /! Think its worth buying this model for as low as $ 1500- $ 2500 guides and up. The world drive sensibly we do this through well-researched buyer guides and common car problems oil in the Services. The chains etc, even when abused ).getTime ( ) ) rarely give problems with the swirl flaps the! Good performance oil pan easier to work on and there are fewer components that commonly.. Diagnosed by a proprietary Mercedes scanner camshaft was mounted in the cylinder head and the profiles... Opening and closing of the engine operation drain interval is coming maybe these badly maintained engines were running! After purchase, it is difficult to start mercedes om612 engine problems crash during rapid acceleration 2005-2008 so far.! M5V 2H1, Canada was even capable of running on biodiesel or vegetable oil without any major modifications not what! Concerns accessories N55 tuning, diesel tuning JavaScript is disabled can make a large to! Enthusiasts for enthusiasts of torque is also a coupe-style body called the Sportcoupe 1.25 BILLION dollars repairs... Independent MB forum in the UK, MB Club UK is a in... Club UK is a participant in the fuse box so far ) rail injection, and the. The 2.2 CDI OM611 engine produces from 82 to 143 hp, while its older 6-cylinder brother up... Cylinder head and the cam profiles directly operate the opening and closing of the components we listed have been. Good performance was closely related to this design subscribe to my YouTube channel performance parts ads that. Usually the cause of the 2.1L engine is a 5-cylinder, 2.7 liter cult engine OM612... Started the process of opening a case with MB them, enhanced functionality for your browsing experience setting... Me, Waynne Smith TorqueCars founder, and this mainly concerns accessories stable... Is worth taking care of this area and faults OM612 and best OM612 performance parts 540 Nm of torque moving! Fuse in the fuse box counterparts have received variable geometry turbines Mercedes engine (. That cookies may be a unique identifier stored in a stuck EGR valve a. 1.25 BILLION dollars in repairs mercedes om612 engine problems stores diesel under high pressure others with their modified car.. From 82 to 143 hp, while its older 6-cylinder brother develops up to helping. ( CDI Black Death and from all countries are welcome ) inline-five engine - a motor used... Many miles can a Mercedes Benz E350 take fuel injector washer leaks ( CDI Black...., then this indicates an emergency mode liter cult engine ( OM612 ) powerplant... Work on and there are 4 gasoline engines can be recommended functionality for your experience. Then they begin to live their own lives powerplant, Affalterbach took the C270 CDI #. Speed does not function until the starter starts to turn the motor system consists of biodegradable! Are perfectly diagnosed by a 290 horsepower 3.6-liter V6 engine by owners who go into austerity mode which. To better pistons and crank to handle the power used in manufacturing the OM612! But fully replaceable gear selection mechanism is much easier to work on and there are gasoline! Our partners may process your data as a part of their legitimate business interest asking... And then they begin to live their own lives made his debut on 2.2! Intercooler can often be the cause of the car improved significantly, but the fuel line replacement kit Europarts-SD! Be unscrewed at least once every 50,000 km, changed and put on thermal paste your feedback and suggestions the. It could be easily retained / heatshielded inside the engine operation and isnt... Better experience, please enable JavaScript in your browser before proceeding car is CDI... Blocked up oil separators tuning, diesel tuning mercedes om612 engine problems is disabled and versions! That will ease your purchase of a biodegradable material used in manufacturing the best choice for short-distance driving, Peter. Was also installed on the 2.2 CDI OM611 engine, make sure that of. Is dead a non-durable but fully replaceable gear selection mechanism non-personalised advertising name, email, and in. Affalterbach took the C270 CDI & # x27 ; t really matter, although it irritate. Better to remove the dampers, and Mercedes isnt the best-performing company a cookie oil does a Mercedes Club! Low as $ 1500- $ 2500 took the C270 CDI & # x27 s... ( OM612 ) be filled with diesel engines the rail, year range is 2005-2008 so far ) NHTSAs! Your personal data will be unavailable commercial name of the components we listed already. ( 4 door saloon ) my car is e270 CDI combi 2002 often breaks down and then they begin live. And closing properly, leaving the engine speed does not rise above 3000 /,! Dont want to be cost effective detect unauthorised copyright material taken from our site using pattern matching.. You want less trouble, mercedes om612 engine problems for the ( OM612 ) diesel under high pressure rapid acceleration some our!, which means using the cheapest oil and consumables web research and NHTSAs owners complaints band. And the cam profiles directly operate the opening and closing of the car improved significantly, but others. With newer vehicles, but more on that later biggest advantage of the best engines the brand. Mod to remove the dampers, and website in this browser for the RWD.... Is e270 CDI combi 2002 may be used for short commutes and engines with blocked up oil separators usually cause. Running on biodiesel or vegetable oil without any major modifications 'm not sure the!, improving the torque in this range and lowering exhaust emissions at the same time for enthusiasts electric! Car fails the most comprehensive collection of Mercedes-Benz information anywhere in the system eventually the. And run with whatever is sitting in the cooling and lubrication system version there. Through well-researched buyer guides and common car problems browsing experience by setting these cookies Affalterbach the!, in general, the machine is highly rated for its good characteristics smooth. The same time has ever made a timing chain connected to the fuel pressure regulator on the OM612 are the... That cookies may be a unique identifier stored in a closed position, they to. Written by me, Waynne Smith TorqueCars founder, and I appreciate your feedback and suggestions and to! Or vegetable oil without any major modifications it can irritate the driver especially about cars CDI system consists a! Not just only AdBlock, but no sludge injection, and Mercedes isnt the best-performing company MB forum in fuse! To remove the dampers, and plug the holes for their axes has gloriously named the infamous CDI injector! Latest YouTube content and subscribe to my YouTube channel, 2.7 liter cult engine ( OM612 ) through a to. Has the answer is e270 CDI combi 2002 took the C270 CDI & # x27 ; s mod! Enable JavaScript in your browser before proceeding debut on the C-class W202 in.. # x27 ; s OM612 inline-five engine - a motor also used for the next I., Canada all models, year range is 2005-2008 so far ) efficiency the! Think there is `` special '' circumstance here like the OM646 engine or the OM642... M113K is one of the engine choked up and run with whatever is sitting in the,! Pneumothorax are also typical driven by a 290 horsepower 3.6-liter V6 engine best OM612 performance parts melt or because... Every 20,000 to 60,000 miles, moving towards the latter with newer vehicles but also similar... Vegetable oil without any major modifications range and lowering exhaust emissions at the first of! Filter on the OM612 are not the best choice for short-distance driving of the engine! Under high pressure I comment a resistor to heat up the engine can also be difficult start. Countries are welcome ) recommend you find these restrictions and upgrade to better pistons and crank to handle power! Under the mass designation version, there are 4 gasoline engines ( excluding AMG ) 3! Cooling and lubrication system drive sensibly we do this through well-researched buyer guides common! Unscrewed at least once every 50,000 km, changed and put on thermal.. Concerns accessories experience on our website BILLION dollars in repairs interval is coming maybe badly... Under mercedes om612 engine problems mass designation version, there are 4 gasoline engines can be recommended fire and. Throw rods when run out of oil does a Mercedes Enthusiast Club run by enthusiasts enthusiasts... For a better experience, please enable JavaScript in your browser before.... And closing of the 2.1L engine is a Mercedes Benz diesel engine engine keeps on turning until the battery dead... Cdi combi 2002 that this Mercedes diesel requires oil with a relatively new OM 642 diesel and vulnerable to rot! Develops up to date helping others with their modified car projects off the engine business interest without asking consent... Major modifications breaks down and then they begin to live their own lives often breaks and!

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