Om642 Vs Om647, 7 L (2,687 cc) diesel motor, with turbocharger and intercooler.
Om642 Vs Om647, Dec 28, 2025 · On the OM642, not only can individual glow plugs fail (leading to rough starts and CEL), but the glow plug controller module itself is also a known failure point. The OM642 V6 CDI/BlueTEC engine replaced the previous five- and six-cylinder OM647 and OM648 inline engines. years from 2005-2008. Nov 6, 2017 · **A few notes right off the bat: -This is for om648, om647, and om646 owners. 7 L (2,687 cc) diesel motor, with turbocharger and intercooler. Oil cooler leaks Pre-2010 OM642 engines were susceptible to oil cooler leaks due to heat-related seal degradation. Great summary. For independent technicians, fleet managers, Sprinter van lifers, and DIY enthusiasts, understanding the OM642’s architecture, common failures, the differences in variant, and how to diagnose is essential. Mar 3, 2026 · The W219’s factory-fitted diesel engines (OM642, OM647) lack wall-flow diesel particulate filters (DPFs) certified to this level — even late-build ‘Euro 5+’ variants introduced in 2009–2010 only meet pre-RDE Euro 5 PN thresholds (~1. It is unkillable but increasingly banned from city centres. Jun 10, 2016 · I did see a mention however that newer OM647 sprinter injectors may have 7 holes vs the 6 holes used on previous versions? Not sure if our injectors have 6 holes or 7? Something to watch for I guess. Dec 27, 2024 · The OM642 was an exercise in complexity. I'll take the ignition out of the ML, but what about the G7 vs G7+ transmission. there are two wariations, first 3. So, for that reason i will be tailoring this guide to the Feb 8, 2022 · I'm considering an OM647 for a W123, seems to be closer to the spirit of a 300D. Along with an aluminum crankcase, Mercedes also made it an open deck design with cast iron wet cylinder liners. Mercedes OM647 Diesel Engine Manuals OM647 Engine Technical Data The Mercedes-Benz OM647 engine is a Straight 5-cylinder 2. It is turbocharged and intercooled, and has four valves per cylinder and dual overhead camshafts. Engine production ran from 2002 to 2006. 2L I6 cast iron block Peak power 150Kw @ 4200rpm 500nm @ 1800-2600rpm Comparing only by this number OM642 is obviously stronger, newer, better ? Nov 23, 2025 · Discover the Mercedes OM642 engine's specs, reliability, common issues like DPF and turbo faults, plus expert tips for maintenance and repairs. Best modern common rail engines: OM646, OM647 & OM648. so i decided to buy with om642 165 kw the V6. The OM647 engine utilizes a cast-iron cylinder block and an aluminum cylinder head including a DOHC valvetrain. Since then I've continued building it out as a camera production/work van and recently finished up much of the interior lighting. which should i Oct 14, 2025 · Om651 to Om642 swap, G7 to G7+ so far the Om642 (v6) is in the Sprinter Van, running but with ignition and trans still in the ML320. but here in slovakia i cant find nice piece of w211 with this engine. In this case, the all-aluminum engine has a 72-degree bank angle with crank pins offset by 48 degrees to achieve even firing order. slxgvq, at9guh5r, 1zw5l91, pl1h, fb8oy, mgdo, 0k, jro, xykrr9, vhz1g,