TCM Installation Details
1 - Nuts; 2 - Electrical wiring connectors; N15/3 - TCM/ETC
1. On models with the corresponding configuration (code ET2), activate the service mode of the TELE AID emergency call system (see Section Activation/deactivation of the service mode of the TELE AID emergency call system).
2. Turn off the ignition and remove the key.
3. Connect the auxiliary battery to the standard battery, then disconnect the negative cable.
4. Remove the center console (see Chapter Body).
5. Disconnect the electrical wiring (2). Loosen the nuts (1), remove the TCM (N15/3) from the mounting bolts, then move it forward toward the passenger footwell.
6. Installation is carried out in the reverse order - when replacing the module, you should copy the information from the old TCM to it (use the STAR DIAGNOSIS scanner).
7. Finally, do not forget to deactivate the service mode of the TELE AID system and clear the memory of the processor of the on-board diagnostics system (see Chapter Engine electrical systems).
Article based on data from the website: MercedesMAN.ru