Mercedes-Benz M120 engine

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Mercedes-Benz M120 engine
Overview
ManufacturerMercedes-Benz
Layout
ConfigurationNaturally aspirated 60° V12
Displacement6.0 L (5,987 cc)

7.0 L (7,010 cc)

7.1 L (7,055 cc)
7.3 L (7,291 cc)
Cylinder bore89 mm (3.5 in)
91 mm (3.6 in)
91.5 mm (3.60 in)
Piston stroke80.2 mm (3.16 in)
90.4 mm (3.56 in)
92.4 mm (3.64 in)
Cylinder block materialAluminium
Cylinder head materialAluminium
ValvetrainDOHC 4 valves x cyl.
Combustion
Fuel systemSequential fuel injection
Fuel typeGasoline
Cooling systemWater cooled
Output
Power output394–800 PS (290–588 kW; 389–789 hp)
Chronology
PredecessorMercedes-Benz M154 engine
SuccessorMercedes-Benz M137 engine

The Mercedes-Benz M120 engine is a naturally aspirated high-performance automobile piston V12 engine family used in the 1990s and 2000s in Mercedes' flagship models.

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

The M120 was eventually replaced by the smaller, lesser-powered, short-lived, SOHC, three valves per cylinder, 5.8L, M137 V12 engine. Mercedes ceased production of the M120 because of new emission rules.

M120 6.0 48v

M120 S600 (1994), 400 PS (294 kW; 395 hp)

This engine developed 394–408 PS (290–300 kW; 389–402 hp) and 420–428 lb⋅ft (569–580 N⋅m) of torque for the 6.0 L version. In 1992 only the M120 engine was offered in North America in 402 hp (300 kW; 408 PS) format and from 1991-92 408 PS (300 kW; 402 hp) In Europe. All other years 1993–1999 have the 394 PS (290 kW; 389 hp) version.

Applications:

Larger displacement M120s

Main article: Mercedes-Benz M297 engine

In 1997, the FIA GT Championship race car Mercedes-Benz CLK GTR was fitted with the M297 engine, derived from the M120. The 25 road cars, required by the FIA rules and delivered in 1999, had their engine enlarged to 6.9 L. There was also a 7.3 L version producing 525 PS (386 kW; 518 hp) developed by AMG which was also used in the SL73 AMG, S73 AMG and CL73 AMG. The 7.3 L M297 engine was also featured in the AMG-built, S73 T Kombi, a custom-built W140 S-Class wagon for the Sultan of Brunei. Eighteen units were produced, ten of which went to the Sultan.[1]

A 7.1 L (7,055 cc) version was also used in the SL70 AMG, S70 AMG and CL70 AMG, and produced 496 PS (365 kW; 489 hp).

Another 7.1 L (7,055 cc) version with 510 PS (380 kW; 500 hp) was used for SL72 AMG, S72 AMG and CL72 AMG cars.

Pagani Zonda

The Pagani Zonda[2] has used 3 different capacity, Mercedes-AMG tuned, versions of the M120 engine starting with the untuned 6.0 L for the original Zonda C12 to a 7.0 L version for the C12-S and Zonda GR, then to the 7.3 L for the Zonda S 7.3, Zonda F, Zonda Cinque and the Zonda Tricolore, and back to the 6.0 L for the Zonda R and the Zonda Revolucion. The bore and stroke is 91.5 mm × 92.4 mm (3.60 in × 3.64 in).[3]

Applications:

AMG engine display at the Pagani factory
Year Model Displacement Power output
1999 Pagani Zonda C12 6.0 L 402 hp (300 kW; 408 PS)[4] or 444 hp (331 kW; 450 PS)[5][6][7]
1999 Pagani Zonda C12-S 7.0 L 540 hp (403 kW; 547 PS)[8]
2002 Pagani Zonda S 7.3 7.3 L 547 hp (408 kW; 555 PS)[9]
2003 Pagani Zonda GR 7.0 L 590 hp (440 kW; 598 PS)[10]
2005 Pagani Zonda F 7.3 L 602 hp (449 kW; 610 PS)[11]
2009 Pagani Zonda Cinque 678 hp (506 kW; 687 PS)[12]
2010 Pagani Zonda Tricolore 670 hp (500 kW; 679 PS)[13]
2009 Pagani Zonda R 6.0 L 740 hp (552 kW; 750 PS)[14]
2012 Pagani Zonda R Evoluzione

760 hp (567 kW; 771 PS)[15]

2012 Pagani Zonda Revolución 791 hp (590 kW; 802 PS)[16]
2012 Pagani Zonda 760 7.3 L 791 hp

(559 kW;

760 PS)

2017 Pagani Zonda HP Barchetta 7.3 L 789 hp (588 kW; 800 PS)[17]
2020 Pagani Zonda Revo Barchetta 6.0 L 791 hp (590 kW; 802 PS)[18][19]
2022 Pagani Zonda 760 Roadster 7.3 L 749 hp

(559 kW;

760 PS)[20]

References

  1. ^ “AMG Gmbh Mercedes-Benz S73 T Kombi: 7.3L V12 Battleship Archived 2011-04-17 at the Wayback Machine,” VelocityResource.com January 26, 2011. (Retrieved 2011-02-02.)
  2. ^ "Pagani Automobili | Zonda". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  3. ^ "Pagani Automobili | Zonda". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  4. ^ "Pagani Automobili | Zonda | Zonda C12". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  5. ^ "StackPath". www.pagani.com. Retrieved 2022-07-26.
  6. ^ "ZONDA C12 001". Geneva International Motor Show. Retrieved 2022-07-26.
  7. ^ "Pagani Zonda C12 Full Specs, Features and Price". CarBuzz. Retrieved 2022-07-26.
  8. ^ "Pagani Automobili | Zonda | Zonda S 7.3". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  9. ^ "Pagani Automobili | Zonda | Zonda S 7.3". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  10. ^ Jones, Edward (2015-05-11). "Pagani Zonda C12 GR Racing and Track Sounds". duPont REGISTRY Daily. Retrieved 2022-07-26.
  11. ^ "Pagani Automobili | Zonda | Zonda F". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  12. ^ "Pagani Automobili | Zonda | Zonda Cinque". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  13. ^ "Pagani Automobili | Zonda | Zonda Tricolore". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  14. ^ "Pagani Automobili | Zonda | Zonda R". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  15. ^ "2012 Pagani Zonda R Evoluzione Specifications". Ultimatecarpage.com. Retrieved 2022-02-16.
  16. ^ "Pagani Automobili | Zonda | Zonda Revolucion". Archived from the original on 2017-02-02. Retrieved 2017-01-27.
  17. ^ "StackPath". www.pagani.com. Retrieved 2022-06-29.
  18. ^ "Zonda Revo Barchetta, ecco la nuova One-Off di Pagani". La Stampa (in Italian). 2022-06-27. Retrieved 2022-06-29.
  19. ^ Scelsi, Rosario (2022-06-28). "Pagani Zonda Revo Barchetta al Goodwood Festival of Speed 2022". Autoblog (in Italian). Retrieved 2022-06-29.
  20. ^ Kelshikar, Tushar (2022-01-02). "Pagani Zonda 760 Roadster to be revealed soon; last of the 760 Series". The Supercar Blog. Retrieved 2022-01-02.

See also

Wikimedia Commons has media related to Mercedes-Benz M120 engine.
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