page_title: Mercedes-AMG
section_title: "55" 5.4 L V8 KOMPRESSOR
hierarchical_section_title: Mercedes-AMG / Previous AMG models / "55" 5.4 L V8 KOMPRESSOR
caption_attribution_description: English: Front view of 2004MY Mercedes AMG CL55 Kompressor
context_page_description: Mercedes-AMG GmbH, commonly known as AMG, is the high-performance subsidiary of Mercedes-Benz AG. AMG independently hires engineers and contracts with manufacturers to customize Mercedes-Benz AMG vehicles. The company has its headquarters in Affalterbach, Baden-Württemberg, Germany.
  AMG was originally an independent engineering firm specializing in performance improvements for Mercedes-Benz vehicles. DaimlerChrysler AG took a controlling interest in 1999, then became the sole owner of AMG in 2005. Mercedes-AMG GmbH is now a wholly owned subsidiary of Mercedes-Benz AG, which is owned by Daimler AG.
  AMG models typically have more aggressive looks, a higher level of performance, better handling, better stability and more extensive use of carbon fibre than their regular Mercedes-Benz counterparts. AMG models are typically the most expensive and highest-performing variant of each Mercedes-Benz class.
  AMG variants are usually badged with two numerals, as opposed to regular Mercedes-Benz vehicles, which have three. The numerals do not always indicate engine size, but are rather a tribute to earlier heritage cars, such as the 300 SEL 6.3 litre.
context_section_description: This model was nicknamed the "Hammer" after the original 1986 AMG Hammer (a W124 E-Class sedan with an AMG-tuned 360 hp 5.6-litre V8). The 2003 E 55 AMG could do 0–60 mph in 4.4 seconds.
  The main engine is a 5.4 L V8 engine This engine comes in two configurations.
  The first configuration is a naturally aspirated V8 with 354 PS (260 kW; 349 hp) that is used in the C 55 AMG, CLK 55 AMG, E 55 AMG (1999-2002), SLK 55 AMG, and ML 55 AMG. The C 43 AMG (model years 1998–2000) was powered by a naturally aspirated V8 engine from the M113 family, but at a reduced displacement of 4.3L, hence the '43' designation.
  The other configuration is a similar unit but with a highly efficient Lysholm type twin screw supercharger. manufactured by Eaton, is in the rest of the AMG 55 models, which are typically midsized or larger vehicles. The published output according to Mercedes varies from 476 PS (350 kW; 469 hp) to 517 PS (380 kW; 510 hp) and 700 N⋅m (520 lb⋅ft) to 720 N⋅m (530 lb⋅ft), depending on various methods of power measurements and different ECU programming for national legislations. For instance, the E 55 AMG's engine was at the low end, nonetheless it was still Mercedes-Benz's fastest sedan at the time, while the SL55 AMG's engine had the top output. Mercedes has claimed that a more restrictive exhaust system was responsible for cutting output on the E 55 AMG, however some enthusiasts have managed to bump up horsepower to 505 on the E 55 by incorporating some parts from the SL 55.
  The supercharged 5.4 L 24 valve V8 engine was mated to the Speedshift 5-speed automatic transmission, which has a torque capacity of 796 lb⋅ft (1,079 N⋅m), as the newer 7G-Tronic introduced in 2003 is limited to 542 lb⋅ft (735 N⋅m), not enough to handle the torque from the supercharged V8.
  The V8 S 55 AMG had comparable output to the V12-powered S600 throughout their production. The S 55 AMG (2001–02) was outfitted with a 5.4 L 354 hp (264 kW) V8 motor while the later versions (2003–06) sported the same motor, but supercharged to a rated 493 hp (368 kW). The S600 (2001–02) was outfitted with a 5.8L 362 hp (270 kW) V12 engine while the later versions (2003–06) sported a twin-turbocharged (or Bi-Turbo) 493 hp (368 kW) 5.5L V12. The justification for having two models with the same power is that the S 55 AMG is sportier and more responsive, while the costlier S600 is more luxurious with a smoother ride.
  AMG phased out both the naturally aspirated and supercharged 5.4 L engines in favor of the new M156 V8 beginning in 2006, which was paired with 7G-Tronic. However, some enthusiasts were disappointed because the M156 produces less torque than the M113K (which is supercharged).
  For the Model Year 2009:
  M113 5.4 L "55" V8 models (naturally aspirated)
  SLK 55 AMG
  M113 5.4 L "55" V8 models (supercharged)
  G 55 AMG
caption: 2004 AMG CL 55 Kompressor.
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