If you continue to use this site we will assume that you are happy with it. Low power models have a single turbo and a Bosch electromagnetic injector. Rapid delivery as usually in stock. Modified cars and car tuning is a specialist area and professional guidance should always be sought in your performance car project. There is enough space in the cabin for four adults and the sedans luggage compartment has a modest 455 liters of storage space. Good oil service and replacement of the standard oil pump with a more efficient one, with two gears, helps to extend the life of the crankshaft of the OM611 engine. I advise what to choose and what to pay attention to. We should not forget that this Mercedes diesel requires oil with a tolerance of 229.1. The problems get complicated after the appearance of the OM651 series of engines. If the engine does not get regular oil changes, the oil debris that will eventually overflow the filters capacity and end up in the oil will lead to damage to the con rod bearing inserts. Unfortunately, this is far from ideal. Entdecke 2x Luftfilter passend fr Mercedes C220 S204 W204 2.1D 07 bis 08 OM646.811 Mann Neu in groer Auswahl Vergleichen Angebote und Preise Online kaufen bei eBay Kostenlose Lieferung fr viele Artikel! General description. Also, the common rod drive of the dampers often breaks down and then they begin to live their own lives. AMG vehicles from 2007 to 2014. The camshaft profile plays a big part in the engines power output so camshaft upgrades make quite a large difference. We strive to provide the internet with information that will ease your purchase of a new or a used car. This sometimes lasts several, and sometimes several thousand kilometers. When the washers get worn down, the un-combusted diesel fuel leaks past them and burns all around the fuel injector seats. As that happens, the blow-by from an engines crankcase is no longer being routed back to the combustion chamber of the engine, instead it stays trapped in the engine, dirtying up everything in its way, including the intake manifold. Work out your MPG I especially recommend this option for the more powerful and larger versions of the engine. Head work - The goals of porting and flowing the head are to get air flowing into the engine while removing flow restrictions and turbulence. Their pistons are exactly the same. There are also modifications of BlueTEC and BlueEFFICIENCY. The third weak point is the variable geometry turbo regulator. Buying such a model is very risky. Design [ edit ] The OM646 engine is sold under the 200 CDI and 220 CDI designation and features an electric fuel pump , exhaust gas recirculation , particulate filters , [1] and Euro 4 emission standard compliance (from 2003). Contrary to appearances, there are already many cars on the market that look good on the surface and qualify for disposal. Till this day, there are many of these engines running smoothly and defending its reputation for being one of the most reliable and durable diesel engines in the past 20 years. Thank you very much. In practice, under the mass designation version, there are 4 gasoline engines (excluding AMG) and 3 diesel engines. Best of all is the OM646 EVO as fitted to 06-08 E Class 220cdi - this was the most refined version of this engine, and can be identified by 220cdi cars with 170ps. Secure dispatch in special transportation case. Were heading towards problems that only occur on exceptionally high mileage vehicles or on vehicles that were not maintained properly. However, the difference between the R4 and R5 is not big enough to release a more powerful variant. It is your responsibility to check and verify any tip advice or other articles content with a qualified mechanic before undertaking work or following instructions. OM646 engine is sold under the 200 CDI and 220 CDI designation and meets In this case, it is better to remove the dampers, and plug the holes for their axes. Please use our forums if you wish to ask a tuning question, and please note we do not sell parts or services, we are just an online magazine. Glow plugs need to be unscrewed at least once every 50,000 km, changed and put on thermal paste. Quite often there are error messages that are difficult to verify (especially on diesel engines). According to many Mercedes mechanics, this eventually leads to oil starvation of the main crankshaft bearing, which leads to more serious engine issues. The car fails the most with its anti-corrosion protection and faults. Mapping - remapping provides the most advantage in terms of cost savings, aftermarket ECUs, and piggyback ECUs are all alternatives. Intake carry the air from the filter and allow it to be pulled into the engine cylinders with fuel for the squish phase. Greeting. OM602 engine 2.3. All this happens after a run of 400,000 kilometers, or in extreme conditions with much less mileage. Problems that have occurred in the latest OM 651 engines are related to Delphi fuel injectors (defective, already replaced) and coolant leaks. Big turbo chargers commonly experience a bottom end lag, and low capacity turbo chargers spool up much more quickly but don't have the top end bhp gains. This entry was keep up with our latest YouTube content and subscribe. Damage to the controller does not allow you to comfortably manage equipment, it is often very rich. We use cookies to ensure that we give you the best experience on our website. Other modifications were later introduced. Independent repair shops may quote head removal or butcher it up. document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()). However, they can harden, jam, and the holes under their axles are broken, due to which soot and oil from the intake seeps out. The plastic tends to break down with time, leading to breakage and potential serious engine problems if any plastic parts get sucked into the engine. They are also torn off here in whole or in fragments, but they almost never harm the engine they are plastic. 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. For a better experience, please enable JavaScript in your browser before proceeding. In addition to the described areas, it is worth paying attention to the drive system. Panel van 3.2. Format: .pdf document, Applications: See Image >, Download Link Sent to your PayPal email address, OM646.951, OM646.961, OM646.962, OM646.963, OM646.966, OM646.980, The 2.1 CDI engine marked OM 651 debuted in 2008. Tuning . Electronics has become a very troublesome area. This reduces the degree in the combustion chamber and reduces the temperature value of the working cycle, pressure. the engine problems and damage described above. For comparison, the injection pressure OM 611 - 1350 bar. In a direct comparison with its predecessor, consumption has been further reduced and the engine . and operation, along with removal and installation of components. The machine we will be discussing today has the designation OM651 and focuses on maximum modernity. The Mercedes W203 is one model that is offered in a wide variety of engines, from small and economical units to large V6 engines both petrol and diesel. Something suitable for one model of car may be completely unsuitable for another - so we can only provide generic theory. 2003 is a time for change. Our advertising partners also use cookies. The booster pump is driven by the camshaft, so it does not function until the starter starts to turn the motor. Modified car insurance Hi there, I'm Mladen and I'm an auto enthusiast. Where is the number. The flap in the intake system and the variable geometry of the turbocharger are important elements. Here we review and look at OM642 tuning and point out the best mods that work. The top versions, labeled 220 CDI and 250 CDI, produce 170hp and 204hp respectively. In 1999, versions with 115 and 143 hp appeared, and three years later - a new generation 2.1 CDI with the designation OM 646 and power of 122 and 150 hp. If you miss this moment, you can get wear on the belt tensioner. This means a decrease in engine power and smoke from the exhaust pipe during acceleration. The elements installed on the block were very emergency. The purpose of the CEC L-99-08 test program is to evaluate oil performance with regard to wear, cleanliness, and sludge. A common malfunction is the absence of a turn signal or light at all, as well as the wiper. Despite the good attitude of the German brand, it quickly turned out that the problem was enormous. The timing chain is very sensitive to it, and under such conditions it is worth replacing even every 80,000-120,000 km. The single-row control chain is located behind the engine - on the transmission side. Manufacturer Part Number 006.750. Regular oil changes are vital on the OM646, especially when tuned and will help extend the life and reliability of the engine. view all petrol gasoline & diesel engine manuals, Applications: It's used in countless C, CLC, CLK, E-Classes as well as Vito, Viano and Sprinter. Ping us if you have anything cool to share on the latest cars or how to make older cars more efficient, or just want to say hi! Induction Kits Multiple versions mean that the engine can be used in most of the Mercedes lineup. We gave the BMW 335i our coveted car of the year award, read more about this awesome car and see why 335i Tuning Guide It has a smaller cylinder diameter, the time chain goes to the side of the gearbox, and in more powerful variants (over 143 horses) it has, including a Delphi piezoelectric injector and two turbochargers. The OM646 units are great to work on and we're happy to report there are increasing numbers of upgrades and performance parts around. Treatment of the forgetfulness of the owner will cost at least $ 50. for pulling out one injector. Please share this page with your friends on : PLEASE HELP: I NEED YOUR DONATIONS TO COVER THE COSTS OF RUNNING THIS SITE AND KEEP IT RUNNING. Serious problems arise when the sealing of the washer under the nozzle loosens. . The inline 4-cylinder turbodiesel 2.2 CDI OM611 Engine replaced the naturally aspirated prechamber OM604 in 1997. If youre looking for a well-maintained C-Class, its the most expensive, costing around $5000-$6500. Unfortunately, this is also a series of problems, some of which end in . Because they appear early in the exploitation, it doesnt bode well for the future. In addition to the regular and derated modifications, RED has been offering an improved EVO since 2006. Issues by Complectations or Trim Levels 3.1. You will find helpful articles and videos on a wide variety of cars - Audi, Mercedes, Toyota, Porsche, Volvo, BMW and much more. feature on twinchargers if you want to read more. Join our forum today and benefit from over 300,000 posts on tuning The displacement of the new version of the engine is 2143 cm3. The area that is quite disturbing to users is electricity. He made his debut on the C-class W202 in 1998. A known problem with the 2.1 CDI OM651 diesel engine is a leak in the cooling system. It may lack precision and work a little harder, but it still guarantees the right level of fuel economy, and is simpler and can be remanufactured cheaply. To remove the unit you must first remove the engine covers. This article is diving deep into all the issue of one of the most popular diesel engines Mercedes-Benz ever produced. We use cookies to ensure that we give you the best experience on our website. Hence the problems faced by other and subsequent owners. Mercedes 2.2 CDI (OM611) Engine Specs, Problems, Reliability, Honda 3.5 V6 J35 Engine Specs, Problems, Reliability. They are all united by cast-iron blocks, aluminum cylinder heads with 4 valves per cylinder (recall that it was Daimler engineers who created the first mass-produced diesel engine with 4 valves per cylinder OM606 in 1993) and duplex chains in the timing drive. The The black tar that accumulates is often referred to as the CDI Black Death. Advantages Costs. The OM646 is a turbocharged inline-four engine produced between 2002 and 2010 by Mercedes-Benz. In comparison, the new Delphi injector costs $ 450. 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 Mercedes OM646 are good project engines and with a few sensible performance enhancements like a remap, turbo kits and camshafts you will certainly maximize your driving fun. Ping us if you have anything cool to share on latest cars or on how to make older cars more efficient, or just want to say hi! A blocked DPF can cause the turbocharger to fail for many reasons and below we list the three most common causes of a turbo failure following a blocked diesel particulate filter: Increased Exhaust Gas Temperatures (EGT's) Increased Back Pressure. Very sensitive to it, and piggyback ECUs are all alternatives and subsequent.! Pulling out one injector not forget that this Mercedes diesel requires oil with a tolerance of 229.1 cabin for adults... Appearance of the OM651 series of problems, Reliability, Honda 3.5 V6 J35 engine Specs problems! Kits Multiple versions mean that the engine quite often there are error messages that difficult... The described areas, it is often referred to as the wiper dampers often down... Use this site we will be discussing today has the designation OM651 and focuses on maximum.. 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Quote head removal or butcher it up should not forget that this Mercedes diesel requires oil with a tolerance 229.1. The the black tar that accumulates is often referred to as the wiper advise what to choose and what pay. Accumulates is often very rich there, I 'm an auto enthusiast always sought!