Original Factory Car Motor Benz M651.955 4 Stroke For Mercedes Benz Sprinter A Klasse B Klasse
Mercedes-Benz OM651 is a family of in-line four-cylinder diesel engines from Mercedes-Benz, first introduced in October 2008. It was created as a replacement for the OM646 and OM642 series. Production took place at a plant in Stuttgart, Germany.
The diesel R4-family includes: OM616, OM601, OM604, OM611, OM640, OM646, OM651, OM654, OM668.
In 2008, Mercedes introduced a new generation of its 4-cylinder diesel units. Here is a cast-iron cylinder block, an aluminum 16-valve cylinder head with hydraulic lifters and a combined timing drive from a roller chain, several gears, and balancer shafts. Simple versions of the engine are equipped with an IHI VV20 or IHI VV21 variable geometry turbine, and the most powerful modifications of this engine received a BorgWarner R2S bi-turbo system.
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Initially, powerful versions of the diesel were equipped with a Delphi fuel system with piezo injectors, which caused a lot of trouble, and since 2010 they began to be changed to electromagnetic ones. And since 2011, a revocable campaign began to replace injectors for previously produced units. Basic engine modifications have a Bosch fuel system and electromagnetic injectors.
Available in DE18 LA (1796 cc) and DE22 LA (2143 cc) versions. Even though most variations of the power unit have a working volume of 2143 cc, nevertheless, its power varies in the range from 107 hp to 204 hp. Versions above 125 kW (170 hp) are equipped with a twin-turbo system, below 100 kW with a single turbocharger.
The engine was installed on:
- Mercedes A-Class W176 in 2012 – 2018;
- Mercedes B-Class W246 in 2011 – 2018;
- Mercedes C-Class W204 in 2008 – 2015; C-Class W205 in 2014 – 2018;
- Mercedes CLA-Class C117 in 2013 – 2018;
- Mercedes CLS-Class C218 in 2011 – 2018;
- Mercedes E-Class W212 in 2009 – 2016;
- Mercedes GLA-Class X156 in 2013 – 2019;
- Mercedes GLC-Class X253 in 2015 – 2019;
- Mercedes GLK-Class X204 in 2009 – 2015;
- Mercedes M-Class W166 in 2011 – 2018;
- Mercedes S-Class W221 in 2011 – 2013; S-Class W222 in 2014 – 2017;
- Mercedes SLK-Class R172 in 2012 – 2017;
- Mercedes Sprinter W906 in 2009 – 2018; Sprinter W907 since 2018;
- Mercedes V-Class W639 in 2010 – 2014; V-Class W447 in 2014 – 2019.
| Production years | since 2008 |
| Displacement, cc | 1796 (DE 18 LA red)-1796 (DE 18 LA)-2143 (DE 22 LA red)-2143 (DE 22 LA) |
| Fuel system | Common Rail |
| Power output, hp | 109 (DE 18 LA red)-136 (DE 18 LA)-95 – 143 (DE 22 LA red)-163 – 204 (DE 22 LA) |
| Torque output, Nm | 250 (DE 18 LA red)-300 (DE 18 LA)-250 – 360 (DE 22 LA red)-350 – 500 (DE 22 LA) |
| Cylinder block | cast iron R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 83 (DE 18 LA)-99 (DE 22 LA red)-99 (DE 22 LA) |
| Compression ratio | 16.2 |
| Hydraulic lifters | yes |
| Timing drive | chain & gears |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 6.5 (11.5 in commercial models) |
| Fuel type | diesel |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Mercedes E 250 CDI 2015)— city— highway— combined | 6.9-4.4-5.3 |
| Engine lifespan, km | ~400 000 |
| Weight, kg | 203.8 |
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