Kleemann is known to supply some of the best tuning solutions for all models with the supercharged as well the normally aspirated versions of the 55 AMG V8 engines.

55 AMG N/A (M113) – N/A tuning

55-K1(N/A): An optimized ECU software upgrade. Up to 385 HP and 545 Nm (404 lb-ft) of torque.

55-K2(N/A): K1 + a set of stainless steel tubular exhaust headers and downpipes. Up to 415 HP and 565 Nm (419 lb-ft) of torque.

55-K3(N/A): K2 + super sport camshafts. Up to 435 HP and 585 Nm (433 lb-ft) of torque.

55 AMG N/A (M113) – S/C tuning

55-K1: A Kompressor system incl. a custom made ECU upgrade. Up to 500 HP and 650 Nm (481 lb-ft) of torque.

55-K2: K1 + a set of stainless steel tubular exhaust headers and downpipes. Up to 525 HP and 680 Nm (504 lb-ft) of torque.

55-K3: K2 + super sport camshafts. Up to 540 HP and 700 Nm (518 lb-ft) of torque.