Automatic transmission control unit (TCM) for Mercedes-Benz W204
Part Number:
* A 271 250 15 00
* A 271 250 25 00
Functions:
* Controls the operation of the automatic transmission (AT)
* Shifts gears depending on driving mode and conditions
* Provides smooth gear changes
* Optimizes fuel economy
* Protects automatic transmission from damage
Peculiarities:
* Electronic control unit with microprocessor
* Built-in sensors for monitoring automatic transmission parameters
* Interface with engine control unit (ECU) and other vehicle electronic systems
Location:
Usually located in the engine compartment, next to the automatic transmission or on it itself.
Compatibility:
This automatic transmission control unit is compatible with the following Mercedes-Benz W204 models:
* C-Class (2007-2014)
*CLK-Class (2009-2010)
* GLK-Class (2008-2015)
Replacement:
Replacement of the automatic transmission control module may be necessary in the event of automatic transmission malfunctions, shifting problems, or diagnostic trouble codes (DTCs) indicating a TCM malfunction. Repair or replacement of the automatic transmission control unit must be performed by a qualified vehicle repair specialist.