48F0E2 Mercedes Fault Code :
Read the description of 48F0E2 in MCM21T and the engine lights up for MCM21T - MCM Motor Control Module code, there are some possible causes for it.
The signals from the component '10A20: Engine management MCM control unit' and from the pressure sensor at the outlet of the component '10A21: Pneumatic Booster System (PBS) control unit' deviate from each other.