300TE 4MATIC (124.290) L6-3.0L (103.985) (1991)
Compressor Clutch: Description and Operation
A/C Compressor Cut-Out, Model 124
N16 MAS Control Unit
When equipped with the M103/104 engines, these models have an engine Systems (MAS) control unit (N16) in which additional functions are included
instead of the previous air conditioner compressor cut-out relay. This control unit includes a malfunction memory via impulse readout.