Home » News » Mercedes » 2012 Mercedes SLK AMG gets 422HP V8

Daimler has recently announced the fact that the new generation 2012 Mercedes SLK 55 AMG will be offered with a new AMG, naturally-aspirated, 5.5-litre V8 engine.

This engine has been codenamed the M152 and it outputs 422 HP and 540 Nm (398 lb-ft) of torque. Based on the M157 plant which is also a 5.5-litre V8 but which uses two turbos, the M152 is 30 percent more efficient than the previous V8, and it now requires only 8.5-litres of fuel to cover 100 Km.

Also this new engine which will be fitted on the 2012 Mercedes SLK 55 AMG is made from aluminium, and it features the AMG Cylinder Management system, which basically means that it can shut off four cylinder and reduce the car's torque level to 230 Nm. The switch from 8 cylinders to 4-cylinders takes no more than 30 milliseconds and it can be done from 800 rpm to 3,600 rpm.

We'll have more details regarding this new engine and the 2012 Mercedes SLK 55 AMG once the car will premiere in Frankfurt this fall.

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Related Specs

  1. 1980 Mercedes-Benz 450 SLC AMG Group 2

    Engine: V8, Power: 279.6 kw / 375 bhpN/A
  2. 2001 Mercedes-Benz SLK32 AMG

    Engine: Supercharged V6, Power: 264.0 kw / 354.0 bhp @ 6100 rpm, Torque: 450.13 nm / 332 ft lbs @ 4400 rpm
  3. 1921 Mercedes 28/95HP Grand Prix

    Engine: Water Cooled, M 10546, Inline-6, Power: 73.8 kw / 99 bhp @ 1800 rpmN/A
  4. 1989 Mercedes-Benz 190 E 2.5-16 Evolution

    Engine: M102 E 25/2 Inline-4, Power: 167.0 kw / 224 bhp @ 7200 rpm, Torque: 245.4 nm / 181 ft lbs @ 5000 rpm
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    Engine: M102 E 25/2 Inline-4, Power: 173.0 kw / 232 bhp @ 7200 rpm, Torque: 245.4 nm / 181 ft lbs @ 5000 rpm

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