The CPC (computer powertrain control) is the powertrain control unit,
another control module that is somewhat similar to the ECU (engine control unit).

 

In modern Mercedes vehicles it is responsible for controlling multiple vehicle features such as the

– active exhaust valves
– throttle pedal
– speed limiter
– torque managment

 

Which cars do not have CPC?

– all C-Class before and include 204 (205 before Facelift)
– all E-Class before and include 212
– all GT 190
– all S-Class before and include 221 (222 before Facelift)

 

Which cars do have CPC?

– all C-Class after and include 205 Facelift
– all E-Class after and include 213, 238
– all G-Class 463 after 07/2017 (estimated date)
– all GLC-Class after and include 253 Facelift
– all GLE-Class after and include 167 Facelift
– all GT 4 doors 290
– all S-Class after and include 222 Facelift

 

Usually all Mercedes Benz / AMG cars with beginning with the new VIN: W1N, W1K, W1V,… except WMX