Mercedes Benz Classics: Owners Operation, Service, and Repair Workshop Manuals

Mercedes OM612 Diesel Engine Manuals

The Mercedes Benz OM612 Diesel Engine is a 5-cylinder motor with a displacements of 2.7L 2685 cc and 3.0L 2950 cc, and was produced from 1999-2006.


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Download: Mercedes OM612 Multi Engine Service Manual

Mercedes OM612 Engine Service ManualApplications: Mercedes E-Class W210 W211 - OM 612.961
Engines: OM611 OM612 OM613 OM642 OM646 OM647 OM648
Download: 36.7 mb, 168 pages
Format: .pdf document, Applications: See Image >

USD $19.95

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OM 612 Engine Technical Data

The OM612 was a 5-cylinder version of the 4-cylinder OM611. In addition, a larger 6-cylinder OM613 was also produced.

The Mercedes-Benz OM612 was introduced in 1999 for the 2000 model year in a 168 hp version for the W210 E-Class, W163 ML-Class, W203 C-Class and W209 CLK-Class. It was also used in the Austrian built Jeep WJ Grand Cherokee (ENF in Jeep catalogs), equivalent to the petrol WJ. A detuned version with 154 hp was used in the W90x Sprinter from 2000 to 2006, and in some versions of the military G-Wagen.

The OM612 DE 30 LA is a high performance 2950 cc version with 228 hp developed by Mercedes-AMG, it was used in the C 30 CDI AMG versions of the W203 C-Class.

Variants and Specifications

  • 2.7 L; 163.8 cu in (2,685 cc) OM612.961 OM612.962 OM612.963 OM612.965 OM612.967
  • 3.0 L; 180.0 cu in (2,950 cc) OM612.990
Displacement Power Torque Applications
OM 612.96x
2.7 Liter
(2,685 cc)
156 PS (115 kW; 154 hp)
@ 3800 rpm
330 Nm (243 lb.ft)
@ 1400–2400 rpm
2000 W90x Sprinter,
W463 G 270 CDI
163 PS (120 kW; 161 hp)
@ 4200 rpm
370 Nm (273 lb.ft)
@ 1600–2800 rpm
1999 W210 E-Class
2000 W203 C-Class
170 PS (125 kW; 168 hp)
@ 4200 rpm
370 Nm (273 lb.ft)
@ 1600–2800 rpm
1999 W210 E-Class
2000 W203 C-Class
OM 612.99x
3.0 Liter
(2,950 cc)
231 PS (170 kW; 228 hp)
@ 3800 rpm
540 Nm (398 lb.ft)
@ 2000 rpm
DE 30 LA 2002-2004
W203 C30 CDI AMG

Mercedes Benz OM612 Engine Cutaway

Vehicle Applications

This OM 612 engine is installed in Mercedes Benz vehicles E270CDI, ML270CDI, G270CDI and Sprinter 316CDI and achieved a very good reputation worldwide.

MERCEDES BENZ E 270 2.7 CDi (210) OM612.961 - 07.1999-03.2002
MERCEDES BENZ E 270 2.7 CDi (W210) OM612.961 - 07.1999-03.2002
MERCEDES BENZ E 270 T 2.7 CDi (210) OM612.961 - 07.1999-03.2003
MERCEDES BENZ E 270 T 2.7 CDi (S210) OM612.961 - 07.1999-03.2003
MERCEDES BENZ C 270 2.7 CDi (203) OM612.962 - 03.2001-
MERCEDES BENZ C 270 2.7 CDi (S203) OM612.962 - 03.2001-
MERCEDES BENZ C 270 2.7 CDi (S203) OM612.963 - 03.2001-
MERCEDES BENZ ML 270 2.7 CDi (163) OM612.963 - 12.1999-
MERCEDES BENZ ML 270 2.7 CDi (W163) OM612.963 - 12.1999-06.2005

Mercedes Benz OM612 Engine