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August 25, 2026 Service bulletin

Clacking and creaking noises from the engine compartment during load changes, especially when driving off...

Mercedes-Benz technical service bulletin LI22.20-P-080897 for 2027 Mercedes-Benz CLA 220.

Bulletin number
LI22.20-P-080897
Component
Engine
Summary
Complaint Clacking and creaking noises from the engine compartment during load changes, especially when driving off after a cold start and at outside temperatures below 41°F. Cause Engine mount A178 240 15 00. Remedy Remove lower engine mount A178 240 15 00 and replace it with lower engine mount A178 240 15 00 28. NOTE: The noise will resolve with the original engine mount A178 240 15 00 when the vehicle warms up. Please keep this in mind during complaint verification as it may not be reproducible if vehicle/mount is warm.

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