Mercedes Benz C 300 4MATIC # LI54-21_P-049150 Date: 100312 Body - Seat Heater Inop. Or Heat Output Too Low Seat heater is inoperative or heat output is too low
Mercedes Benz C 300 4MATIC # LI54-21_P-049150 Date: 100312 Body - Seat Heater Inop. Or Heat Output Too Low Seat heater is inoperative or heat output is too low Topic number LI54.21-P-049150 Version 1 Design group 54.21 Control modules/modules Date 03-12-2010 Validity Model series 207/212: SOP up to 28.02.2010; model series 204: 01.06.2009 - 28.02.2010 Reason for change Reason for block Complaint: The LEDs in the relevant button can be activated but the seat heater remains inoperative. The complaint occurs primarily at low temperatures and while driving with few or no consumers activated. Cause: The seat heater is shut down due to an overvoltage detected at the rear SAM. Remedy: Using SDS version 01/10 or later, flash with current rear SAM software and perform SCN coding. Symptoms Work units 409 410 Validity