Mercedes-Benz M297 engine

The M297 is a V12 engine produced by Mercedes-Benz, from 1997 to 2016.

Mercedes-Benz M297
Overview
ManufacturerMercedes-Benz
Production1997–2016
Layout
Configuration60° V12
Displacement
  • 6.9 L; 420.9 cu in (6,898 cc)
  • 7.3 L; 444.9 cu in (7,291 cc)
Cylinder bore
  • 89 mm (3.5 in) (6.9 L)
  • 91.5 mm (3.60 in) (7.3 L)
Piston stroke92.4 mm (3.64 in)
Block materialAluminium alloy
Head materialAluminium silicon
ValvetrainDOHC 4 valves x cyl.
Compression ratio
  • 10.5:1
  • 10.0:1 (SL73 AMG)
Combustion
Fuel systemMulti-point fuel injection
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output386–559 kW (525–760 PS; 518–750 hp)
Torque output750–780 N⋅m (553–575 lb⋅ft)

Design

The M297 is based on the M120 engine but has been tuned by AMG for use in high-performance sports cars. It was offered as a 6.9 L (6,898 cc) version with a bore and stroke of 89 mm × 92.4 mm (3.50 in × 3.64 in), respectively, and was only available in the road-legal version of the CLK GTR.[1] A 7.3 L (7,291 cc) unit was also available featuring a larger bore of 91.5 mm (3.60 in), and was used in Pagani Zonda models until 2016.[2]

Engines
Displacement Power output @ rpm Torque @ rpm Years
6,898 cc (6.9 L; 420.9 cu in) 450 kW (612 PS; 603 hp) 6,800 775 N⋅m (572 lb⋅ft) 5,250 1997-1999
7,291 cc (7.3 L; 444.9 cu in) 386 kW (525 PS; 518 hp) 5,500 750 N⋅m (553 lb⋅ft) 4,000 1997–2001
408 kW (555 PS; 547 hp) 5,900 4,050 2001–2006
442 kW (601 PS; 593 hp) 6,150 760 N⋅m (561 lb⋅ft) 4,000 2004–2008
478 kW (650 PS; 641 hp) 6,200 780 N⋅m (575 lb⋅ft) 2006–2011
492 kW (669 PS; 660 hp) 2010
498 kW (677 PS; 668 hp) 2009–2010
559 kW (760 PS; 750 hp) 8,000 4,500 2012–2016

M297

386 kW version

408 kW version

442 kW version

450 kW version

478 kW version

492 kW version

498 kW version

559 kW version

References
  1. "1998 Mercedes CLK-GTR @ Top Speed". Top Speed. Retrieved 2018-09-02.
  2. "This Pagani Zonda Was Commissioned For A Nine-Year-Old". CarBuzz. Retrieved 2018-09-02.
  3. https://en.wikipedia.org/wiki/Mercedes-Benz_CL-Class
  4. "Pagani Automobili | Zonda | Zonda S 7.3". 2017-02-02. Retrieved 2018-09-02.
  5. "Zonda S | Pagani". www.pagani.com. Retrieved 2018-09-02.
  6. "Pagani Automobili | Zonda | Zonda F". 2017-02-02. Retrieved 2018-09-02.
  7. "Pagani Automobili | Zonda | Zonda Roadster F". 2017-02-02. Retrieved 2018-09-02.
  8. "Pagani Automobili | Zonda | Zonda Tricolore". 2017-02-02. Retrieved 2018-09-02.
  9. "Pagani Automobili | Zonda | Zonda Cinque". 2017-02-02. Retrieved 2018-09-02.
  10. "Pagani Automobili | Zonda | Zonda Cinque Roadster". 2017-02-02. Retrieved 2018-09-02.
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