Mercedes-Benz M120 engine

The Mercedes-Benz M120 engine is a V12 automobile piston engine family used in the 1990s and 2000s.

The M120 family is built in Stuttgart, Germany. It has an aluminum engine block lined with silicon/aluminum. The aluminum DOHC cylinder heads are 4 valves per cylinder designs. It uses SFI fuel injection and features forged steel connecting rods.

600SEL
This engine developed 389-402 hp and 400-428 ft·lbf of torque for the 6.0 L version.

Applications:
 * 1992 600SEC
 * 1992 600SEL
 * 1992 600SL

Mercedes-Benz CLK GTR
In 1997, the FIA GT Championship race car Mercedes-Benz CLK GTR was fitted with an engine derived from the M120. The 25 road cars, required by the FIA rules and delivered in 1999, had their engine enlarged to 6.9L.

There was also a 7.3L version developed by AMG which was also used in the SL73 AMG.

Pagani Zonda
The Pagani Zonda has used different, AMG tuned versions of the engine starting with the 6.0 L for the original Zonda to the 7.3 L, 641hp version seen the Clubsport version of the Pagani Zonda F.

Applications:
 * 1999 Pagani Zonda C12
 * 1999 Pagani Zonda C12-S
 * 2002 Pagani Zonda C12-S 7.3
 * 2003 Pagani Zonda GR
 * 2005 Pagani Zonda F

Unique Attributes
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Criticisms
The unique cylinder liners make boring and honing these blocks very difficult if not impossible for the common engine rebuilder.

Worldwide
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Design quirks and oddities
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Awards
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