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March 24, 2025 Service bulletin

A clicking/ticking/taping noise from underneath the vehicle with engine off during ECO stop event or after...

Mercedes-Benz technical service bulletin LI27.35-P-079039 for 2017-2024 Mercedes-Benz C300, 2020-2023 Mercedes-Benz E350 and 2016-2023 Mercedes-Benz GLC 300 and others.

Bulletin number
LI27.35-P-079039
Component
Power train
Summary
Complaint A clicking/ticking/taping noise from underneath the vehicle with engine off during ECO stop event or after parking See video for example Cause Noise originates within the transmission valvebody Remedy Take a video from underneath vehicle recording the noise Pull EEPROM data, Inital Quick Test, and Control Unit Log Please open a TIPs case providing all data to assess next steps.

Owners of these vehicles have filed 231 complaints in the transmission category.

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