49F0E2 Mercedes Fault Code :
Read the description of 49F0E2 in MCM02T and the engine lights up for MCM02T - MCM Engine management (10A20) code, there are some possible causes for it.
The signals from the component 'Charge air pressure' and from the pressure sensor at the outlet of the component '10A21 (Pneumatic Booster System (PBS) control unit)' deviate from each other.