Maintenance: All Technical Service Bulletins Engine - Squeaking Noises From The Belt Drive Squeaking noises from the belt drive Topic number LI13.20-P-049041
******************************************************************** 2010 Mercedes Benz C 300 4MATIC (204.081) V6-3.0L (272.948) Copyright ? 2013, ALLDATA 10.52SS Page 1 Maintenance: All Technical Service Bulletins Engine - Squeaking Noises From The Belt Drive Squeaking noises from the belt drive Topic number LI13.20-P-049041 Version 1 Design group 13.20 Belt drive, general Date 03-10-2010 Validity Belt drive, engine 272 and engine 273. Reason for change Reason for block Complaint: Squeaking noises from the belt drive Cause: Axial shifting (temperature-related) of the individual belt pulleys and guide pulleys can lead to squeaking noises in isolated cases. Remedy: Application of Krytox lubricant - belt dressing A000 989 36 60 (from lubricating kit A000 580 03 50) - one to two drops at each point to the inner and outer side edges of the poly-V belt. Procedure: - Bring the engine to the operating temperature (80 deg. C) and switch it off. - Remove top fro...