AMG 63 V8 Engines (M156)

Normally Aspirated

NOTE: In order for us to upgrade the ECU, you must remove it from the car and send it to us.

Performance optimization of any 63 AMG model with a Kleemann ECU upgrade refines the power delivery characteristics and increases the power up to 535 HP and 650NM.

As a standard in Kleemann software, the V-MAX limitation has been disabled.
As an option rear O2 sensor detection can be removed for race cat or cat free use.

Kleemann AMG C 63 ECU Removal Guide (v14a)