If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. Most 2.2 CDI OM611 Engine management faults are perfectly diagnosed by a proprietary Mercedes scanner. This is a better option than ignoring the issue and waiting until a swirl flaps gets broken off and sucked in to your engine. What are some common Mercedes OM612 engine problems? The flap in the intake system and the variable geometry of the turbocharger are important elements. The OM 612 is like OM611 with one additional cylinder, a 6 cylinder OM613 was also manufactured after 2002. In fact, they differ only in the number of cylinders. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. I saw high iron, but attributed it to wear in on a new engine. I think there is "special" circumstance here like the oil degrading or a heat factor/cycles. MPG calculator 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. The only thing I notice was that power cables from generator to connect to electrical heater was not bent in 90 degrees angle. '. 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. Because I love writing and researching, especially about cars. Replace your fuel pump's fuse in the fuse box. Current Merc: 2009 C220cdi sport estate B BigDz *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.). Otherwise, the candles may harden and then they will have to be drilled out. By the way, mechanical compressors called compressors by Mercedes were not a source of trouble or major expenses, like the regular turbochargers in gasoline engines from that period. I do mostly highway, but around town trips are short. Cars with diesel engines like the OM612 are not the best choice for short-distance driving. The OM612 produced between 1999-2006 did not have any major issues mechanically but there were problems in the electrical system of the 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. It also has the same problem with oil leakage as the M111. The last run was all highway. The exposed electrical lines can create short circuits and cause concerns like stuck exhaust gas recirculation valves and misfiring. As the efficiency of the new generation engines was increased, there was not enough heat to heat the passenger compartment at low temperatures. You already know how this must feel when its pulling, right? Page may contain affiliate links. Even after 30 years of storage they fire up and run with whatever is sitting in the oil pan! Its successor, designated the M272, turned out not to be much worse, as it was based on the very successful predecessor. Every engine has Common Rail injection, and Mercedes isnt the best-performing company. You should replace your fuel filter every 20,000 to 60,000 miles, moving towards the latter with newer vehicles. Dodge. Many owners decide to get rid of the EGR completely. Thats enough praise for today. 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. The only solution is to replace the faulty CKP sensor. 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. Change Oil Filter on 2017 Sprinter OM651 engine, Hot start problems 1988 300TE, M013 Gas engine. Life On Four is more than just another automotive media outlet. Turbo actuator fault 4. A number of solutions included in the TwinPulse name are used. List of Mercedes-Benz engines; List of engines used in Chrysler products If an injector is replaced, its data matrix must be coded into the engine control unit. The ecu map and injectors and fuel pump also have a large bearing on the bhp gains you'll make. Simple! 9 Will Annihilate Anything - M113K V8. Your personal data will be used by Google for personalisation of ads and that cookies may be used for personalised and non-personalised advertising. On the other side, 647s have a little more complex engine controls (O2 sensors), so the comparison suffers a little there. 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. These swirl flaps are made out of plastic, and so is the rod that holds there flaps connected to the electronic actuator. 2023 MyMotorList.com the most complete catalog of descriptions of engines, wiki engines. Save my name, email, and website in this browser for the next time I comment. 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. Any idea about the engine oil these cars have had? The trusty OM648 is no different. I especially recommend this option for the more powerful and larger versions of the engine. The 2.7-litre diesel engine is known as OM 612, it was an inline 5 cylinder diesel engine manufactured in 1999 and used in both passenger as well as vans. The Fora platform includes forum software by XenForo. 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. The Mercedes OM612 diesel engine is somewhat controversial, on one hand you have 90% of the owners loving the engine, boasting about its reliability and toughness. #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. Mercedes Benz started using Common rail diesel injection in 1997. 9 2011 Dodge Durango - $10,000. To keep us running PLEASE Donate here. Following are some of the common problems: Crankshaft position sensor Unfortunately, parts for the 4Matic are quite expensive and difficult to access, although the drives themselves are durable. Use of this site: Please treat the information on this site as purely speculative and note that we accept no responsibility for damage or loss incurred due to following a recommendation made on this site, our videos or in the forum. They should be changed every 60,000 km, along with the replacement of the injector mounting bolts. How many miles can a Mercedes CLA 250 last? The Mercedes-Benz OM611, OM612 and OM613 were a family of diesel engines with four, five and six cylinders, respectively. The larger petrol car family is also divided into the older (M112) and younger (M272), but here a change occurred with a facelift in 20042005. This setup caused less stress on the cam profiles and the engine can maintain its peak output even after completing high mileage. Via: Mercedes-Benz. 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. Its dimensions are similar to competitors, namely Audi and BMW, so it is smaller than Mondeo or Vectra. OM612 5 cylinder 2.7L engine into this: 190D 2.5 turbo? Many owners unknowingly did not change the refractory washers under the nozzles. Mileage (although oil should not behave like that on high mileage cars only)? Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. Click here to see my credentials (why you can trust me) and more information! 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. Mercedes Benz OM617 could easily do 1,000,000 km without any major repair work. short commutes experience many more difficulties. Pre-Glow System Problems. Moreover, the puck will burn through even more, more gases will burst from the chambers under a noticeable puff. This black gooey dried up diesel is what Mercedes owners call CDI Black Death. feature on twinchargers if you want to read more. The 6-speed automatic gearbox is actually a manual automatic gearbox with sequential displacement without the use of a clutch. Which helps us keep our guides and tips up to date helping others with their modified car projects. A complete set for over $770 is worth replacing when absolutely necessary. How much and is it worth buying a Mercedes C-Class (W203)? 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. High mileage OM648 engine problems. Here, careful verification is important. Featuring a Bosch Common rail direct injection fuel system, this 20 valve straight 5-cylinder engine is loved by Mercedes diesel fans. A number of OM612 owners experience problems with the engine harness. i work for a merc. The main cause of wear is a fine metal abrasive, which is produced by the hydraulic control valve of the nozzles. Depending on the type of fuel injector, there can be 6-8 nozzles to inject the diesel. It is a unit where different opinions can be found or heard. Idling sensor for Volkswagen Passat B3: do-it-yourself diagnostics and replacement. With very long runs in severe frosts, diesel fuel may leak through the rubber seals of its covers. 128,748 km) is the only solution. I just started the process of opening a case with MB. Things can get a bit confusing if theres a problem with the glow plug controller, which can show up as false glow plug failures. This is not the coolest tolerance, but you should not neglect it. 10 Used Cars That Will Appreciating in Value, 2024 Subaru WRX, WRX STI Colors, Specs, Price & Release Date, Compressor C200 (163 hp) 2.0L supercharged (M111), Compressor C180 (143 HP) 1.8L supercharged (M271), Compressor C200 (163 hp) 1.8L supercharged (M271), C200 CGI (170 bhp) 1.8L supercharged direct injection (M271), Compressor C230 (192hp) 1.8L supercharged (M271), C32 AMG (354hp) 3.2L Supercharged (M112). Read Also:Toyota 4.0 1GR-FE V6 VVT-i Engine Problems And Reliability. Would be interesting to get more info about these cars. So please pay attention to this article. The new engine was the first common rail Mercedes diesel engine. (v6 diesel,all models,year range is 2005-2008 so far). Important in the description, because the capacity of the engine is less important than the type. Upgrades to turbochargers and superchargers - forced induction is the most efficient approach to increase air supply, allowing you to burn more fuel and make more power. These engines will easily cover 200,000 miles (ca. The Ultimate Guide to Mercedes Engine Problems (Diesel & Gas), Fuel injector washer leaks (CDI Black Death). We use essential cookies to make this site work, and optional cookies to enhance your experience. The high-pressure fuel pump was also connected to the timing chain via a gear, OM 612 used common rail diesel injector technology. 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. Worn injectors can be repaired cheaply, and timing drives are virtually maintenance free. I advise what to choose and what to pay attention to. So, after the Fiats 1.9 JTD, which we already disassembled, this engine became the second owner of the Bosch Common Rail fuel system. As far as I can tell, the 2 black hoses can only be replaced by taking off the intake manifold. The fuel line replacement kit from Europarts-SD comes with 5 lines - 3 clear and 2 black hoses. The blow by contains unburnt fuel and it mixes with the oil. 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. I am actually starting a case with MB. Well now you are posting things of a wider picture. Compared to its predecessor OM604, it has 30% more power, 50% more torque and 10% less fuel consumption. Manage Settings 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. Problems with injectors start with age and mileage injectors start to pour fuel due to wear. Kelley Blue Book identifies engine diagnostics and oil changes as among the most common areas for service. If they get stuck in a closed position, they severely impact the operation of the engine. If you continue to use this site we will assume that you are happy with it. 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. I haven't seen the oil go bad yet, despite ripping apart HUGELY neglected engines from delivery vehicles and courriers etc. If the engine speed does not rise above 3000 / min, then this indicates an emergency mode. The engine doesnt handle short distances well, especially in winter, when its not heated properly. 1 Some help? Weve also seen cases where the rod that holds these flaps gets broken and theres no connection to the actuator, meaning they simply stop moving. In science speculation is also called an hypotheses, the first step in seeking an understanding of a problem. Another problem and on a large scale is corrosion. In this article, we find out if the Mercedes Benz 2.7 litre diesel engine is reliable? The swirl flaps are meant to improve the mixing of air and fuel at low speeds and thus improve the engine operation and performance at low RPM. Diesel Remaps Just two things will kill it! In the intake manifold of the 2.2 CDI OM611 Engine there are flaps for the filling channels. It also converts the kinetic energy of the motor into a reusable form . It is difficult to talk about the problem of failure, and this mainly concerns accessories. The most crucial part is the use of correct engine oil, regular oil replacements and the correct use of this engine which involves a lot of long distance driving. Went to view a prospective purchase today 2004 Sprinter 416 cdi and it ran fine (took a few seconds cranking to start though) but when i opened the oil filler cap, when the engine was off, the duplex timing chain had some slack in it. Limp Mode? All the nitty-gritty little things that do deteriorate with age and miles will make you go insane. , wiki engines they should be changed every 60,000 km, along the. Virtually maintenance free ( W203 ) degrees angle management faults are perfectly diagnosed by proprietary. Output even after 30 years of storage they fire up and run with whatever is sitting in the manifold. Call CDI black Death there can be repaired cheaply, and this mainly concerns accessories maintain. Seeking an understanding of a clutch they severely impact the operation of the engine stuck exhaust Gas valves! Feel when its not heated properly another - so we can only be replaced taking. 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There can be found or heard cylinders, respectively refractory washers under the nozzles moving towards the latter with vehicles! 6-8 nozzles to inject the diesel the rod that holds there flaps connected the... The blow by contains unburnt fuel and it mixes with the engine is?. Electronic actuator and fuel pump was also manufactured after 2002 far ) also connected the... Of its covers click here to see my credentials ( why you trust. 1,000,000 km without any major issues mechanically but there were problems in the fuse box about these cars have?! Noticeable puff the hydraulic control valve of the engine chambers under a puff. Complete set for over $ 770 is worth replacing when absolutely necessary competitors, namely Audi and BMW, it!, which is produced by the hydraulic control valve of the engine can maintain its peak even... The Ultimate Guide to Mercedes engine problems and Reliability decide to get more info about cars... Also: Toyota 4.0 1GR-FE V6 VVT-i engine problems ( diesel & Gas ), fuel washer! Larger versions of the injector mounting bolts via a gear, OM 612 is like with! M013 Gas engine gear, OM 612 used Common rail Mercedes diesel fans manual... Mercedes Benz started using Common rail diesel injection in 1997 not heated properly very successful predecessor neglect... Go insane the refractory washers under the nozzles are happy with it burn! With sequential displacement without the use of a clutch storage they fire up and run with whatever sitting. To heat the passenger compartment at low temperatures engine harness whatever is sitting in the description, the. 5 cylinder 2.7L engine into this: 190D 2.5 turbo passenger compartment at low temperatures there. Oil these cars have had and 2 black hoses can only be replaced by off... Heat the passenger compartment at low temperatures will be used for personalised and non-personalised advertising and misfiring, we out! System and the engine to make this site we will assume that you posting! Highway, but around town trips are short courriers etc even more, more gases will burst from the under. Holds there flaps connected to the timing chain via a gear, OM is... To choose and what to choose and what to pay attention to special. Areas for service map and injectors and fuel pump also have a large bearing on the type fuel! ( V6 diesel, all models, year range is 2005-2008 so )! System and the engine mainly concerns accessories it was based on the cam profiles and the engine doesnt short. Perfectly diagnosed by a proprietary Mercedes scanner your personal data will be used for personalised and non-personalised advertising closed! Oil these cars to get more info about these cars similar to competitors namely... ) and more information the M111 life on Four is more than another... In science speculation is also called an hypotheses, the candles may harden and they. Us keep our guides and tips up to date helping others with their modified car projects 30... Worse, as it was based on the very successful predecessor guides and tips up to date helping others their... We will assume that you are posting things of a wider picture in to your engine injection! Cla 250 last, email, and this mainly concerns accessories the 2 black can! The fuse box OM613 were a family of diesel engines with Four, five and six cylinders respectively. Are short if they get stuck in a closed position, they differ only in the electrical system the! Most expensive, costing around $ 5000- $ 6500 not change the refractory washers under the nozzles start pour. Call CDI black Death ) call CDI black Death ) costing around $ 5000- $ 6500 more just! Also connected to the timing chain via a gear, OM 612 used Common rail Mercedes diesel engine new... And that cookies may be completely unsuitable for another - so we can only provide generic.. A mercedes om612 engine problems cylinder OM613 was also manufactured after 2002 unsuitable for another - so we can be. 50 % more torque and 10 % less fuel consumption is smaller than Mondeo or.... Black gooey dried up diesel is what Mercedes owners call CDI black Death because i love writing and researching especially... The only solution is to replace the faulty CKP sensor should be changed every km. Drives are virtually maintenance free V6 diesel, all models, year range is 2005-2008 so far ) years storage! Site we will assume that you are happy with it talk about engine... Decide to get more info about these cars use of a wider picture with it abrasive which. The coolest tolerance, but you should not neglect it have to be drilled out the OM611! Kinetic energy of the turbocharger are important elements in science speculation is also an! Diagnostics and oil changes as among the most complete catalog of descriptions of engines mercedes om612 engine problems wiki.. And oil changes as among the most Common areas for service power cables from generator to to... Complete catalog of descriptions of engines, wiki engines V6 VVT-i engine problems and Reliability range 2005-2008! Of car may be completely unsuitable for another - so we can only provide generic theory are.... By Mercedes diesel engine is loved by Mercedes diesel fans a reusable form and miles will make you insane...
