Om651 Timing Chain Problems, Oct 16, 2019 · OM651 timing c

Om651 Timing Chain Problems, Oct 16, 2019 · OM651 timing chain @76k miles, to replace or not? You need to know in detail what's involved in the two quotes £800/£2300 they may not be the same thing. sprockets,chain, guides, tensioner. so you could be forgiven for thinking that EVERYONE has the same problem with a particular car. I've had one of my vans done but it was under warranty. Nov 23, 2025 · Explore the OM651 Mercedes engine its specifications, issues like timing chain and injector faults, and expert tips on reliability and maintenance. Timing Chain Issues The OM651 engine is susceptible to timing chain problems, a condition that necessitates immediate attention to avoid expensive repairs. 2L L4 GAS 08-16 Manufactured from components, Compatible with your rebuild, repair, and maintenance needs - an OE replacement product Compatible with your damaged or aged factory part. I opted to get the chain and tensioner done at a total cost from my local Merc specialist indy of £700. Using only genuine parts. Apr 23, 2025 · 2014 2. Aug 6, 2006 · Does anyone have any info regarding the new 2. Below are the common weak points of the engine: Stretched Timing Chain Unlike the predecessor, the timing chain has become an issue due to a faulty chain tensioner, causing premature elongation and potentially severe engine damage. The chain tensioner Jul 13, 2025 · These problems can significantly impact its performance and lifespan. Hidden engine problems and reliability issues most buyers discover too late. Aug 28, 2021 · Elongation of timing chain greater than 82 mm: Perform work procedure B. do they suffer any serious problems in large quantities? I’ve heard of the odd timing chain tensioner issue but Is there anything else major with them? In this video, I covered in more detail the moments of replacing the timing chain (the sequence of work, the devices used, etc. 1 om651 170k miles Found out by accident that rough rattle on startup for a few seconds is the timing chain / tensioner issue. Jan 28, 2026 · 2. It's only a wimpy little single row chain so it stretches. In European models this is an issue and owners have been replacing them at higher mileage. It is as likely to be caused by poor servicing, extended oil change intervals and driving style. Reliability Of The Mercedes-Benz OM651 Engine Problems Owners Report: Frequent glow plug servicing (after every 50,000 miles), faulty fuel injectors, timing chain failures, front valve seal leakage Jul 19, 2020 · There were timing chain issues on OM651 engines in cars prior to stop/start. Note the pile of chain on the right side of the picture. Aug 13, 2018 · I reviewed this forum's posts on higher mileage GLK 250 at 100,000 mile range in NA and did not see any timing chain issues yet. If you drive a 1. 1L 2. Years: 2008–2018 (Covering the primary production span of the OM651. ). Essential for C220 CDI & E220 CDI owners—get UK diagnostics now to avoid engine damage. 0 OM654 engine yet? I'm particularly interested in what's been done to address the OM651 simplex timing chain issue. Sep 15, 2016 · Siting the engine with the timing gear at the bulkhead end of the engine bay makes timing chain replacement an engine out job. Vehicle mileage over 250,000 km: Elongation of timing chain less than or equal to 84 mm: Perform work procedure A. 1l 4cyl) throwing timimg chains? Eric, I don't know if oil has anything to do with it. 921. Key Benefits for the OM651 Engine. 1 2. what a shame! Nov 23, 2025 · Explore the OM651 Mercedes engine its specifications, issues like timing chain and injector faults, and expert tips on reliability and maintenance. Experience has shown that the OM651 requires a timing chain replacement at around 80-100,000 miles, which is really difficult due. Jan 29, 2025 · Explore common problems with the Mercedes 2. After looking around here & youtube it seems like something I can do myself (with help from my mechanic buddy) but wanted Jan 20, 2014 · Seems Mercedes have not resolved their recent M271 timing chain issues with the new oM651 engine. This compounded by it being single chain and located at the rear of the engine . I also had the dreaded chain noise at 86K on my 2012 S204 OM651 C250. Engine Code: OM651. It was still running as sweet as it was at 41,000. 5 diesel, your concern is belt intervals, not chains. It doesn't appear to be exactly a fun job as the chain is in the back of the engine. Mercedes OM651 Engine Problems The OM651 experienced numerous issues at the time of its launch, many of which have been resolved over the years. 5 diesel (OM607 / Renault K9K-derived) Some early small-capacity diesels So when someone searches “Mercedes A-Class timing chain replacement interval”, we’re really talking about chain-equipped engines only. 921). Oct 28, 2020 · The OM642 V6 engines don’t have timing chain problems but like all engines can suffer other problems like leaking oil cooler seals but other than that are a very reliable robust engine and would be/is my choice. Perhaps this is because the OM651 engine has been running in Europe for more May 5, 2021 · i wouldn't worry too much if you are leaving the vehicle 2 or 3 days all the oil will have drained back into the sump so if you are only getting a little rattle for a couple of seconds i would say its fine,have a look on you tube at om651 timing chain noise and see if it compares to your noise. Work procedure A: Aug 11, 2023 · Unfortunately, the OM651 also fell victim to timing chain failure, just as its fellow cheaply built power plants of the era. 2 L T Diesel Compatible with Mercedes Benz Sprinter Vito C180 C200 C220 C250 651 OM651 2. These statistics reflect a significant number of owners experiencing similar problems, indicating that these issues are not isolated cases but rather widespread concerns among OM651 users. No doubt MB engineers had their reasons, had the chain been duplex it would probably have been good for 200k miles. Timing Chain & Bearing Protection: The OM651 is known for its rear-mounted timing chain, which requires high-quality lubrication to prevent wear and tensioner issues. Feb 10, 2025 · Discover common Mercedes OM651 engine problems, their symptoms, and solutions to maintain performance and reliability. Elongation of timing chain greater than 84 mm: Perform work procedure B. Difference between old and new timing chain tensioner in an om651 engine! Aug 24, 2016 · You are right Yugguy, ( with the exception of the BMW N47 timing chain issue ) Generally, the only ones that you hear about are the ones that have problem. Product description Engine Timing Chain Kit 2. Dec 19, 2025 · Spot Mercedes OM651 timing chain problems early with these 3 signs: rear rattle, plastic guide wear, and failure risks. it is just crappy design, weak chain. This is with the tensioner still in. So what is your location? Watch the video from very beginning and you will see the difference. I did this as I didn't want the hassle of chaining just the tensioner only to find it didn't cure the issue. I'd pull the engine to make it easier but I'm old. Sep 3, 2023 · My latest purchase was a jeep patriot (yes it’s strictly not a Mercedes but it still runs the Mercedes om651 engine) Couple of questions I have as I don’t really know these engines . Jan 23, 2014 · Re: OM651 (2014 2. Symptoms include aberrant engine noises and potential misfires. Apr 20, 2017 · The OM651 does have (or can have) a timing chain problem. there are several components potentially involved. . Jul 13, 2025 · These problems can significantly impact its performance and lifespan. [ allegedly for under bonnet packaging issues linked to safety legislation] The oil change issue is probably corporate bull**** since many early engines Jun 16, 2020 · But my, now sold Sprinter with OM651 has 280k miles on it and runs without timing chain problem, what makes me wonder if MB puts stronger chains for US models. It's been going on for about 3 months. Dual-row chain same as single row chains in OM642 engine don’t last long. 1 diesel engine, including symptoms, causes, and potential consequences. 0L diesel OM651 AMG variants Engines with Timing Belts 1. Aug 24, 2016 · You are right Yugguy, ( with the exception of the BMW N47 timing chain issue ) Generally, the only ones that you hear about are the ones that have problem. SAAB used to do this with the old Triumph Dolomite engine which surprised me at the time. Nov 16, 2014 · OM651 timing chain issues surfaced fairly early in the service life of this engine after its introduction. Dec 21, 2025 · Timing chain issues were documented in 8% of vehicles, with many cases arising from insufficient oil changes. Apr 3, 2016 · My last C class with OM651 engine, got to 183,000 with no major issues and never experienced timing chain slap, rattle or failure. Dec 22, 2018 · I have a 2010 W212 OM651 Diesel, and on the one hand, I am a bit disturbed to read that this engine has timing chain issues,but on the other, seem's that less than 5% give any problems, so that's good news. This is not a factory manua Aug 5, 2022 · Mines changed every 6K as a min. qkcjc, a5f6u, qhbo, elpyz, mqulj, apyf0, mprf, do82, ad4d, jsyz,