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May 26, 2022 Service bulletin

Creaking noise from side bolster when load applied to seat cushion of front seats

Mercedes-Benz technical service bulletin LI91.10-P-065540 for 2017-2020 Mercedes-Benz S550, 2021 Mercedes-Benz S 580 and 2017 Mercedes-Benz S550 4matic and others.

Bulletin number
LI91.10-P-065540
Component
Seats
Summary
Complaint Creaking noise from side bolster when load applied to seat cushion of front seats. Cause Soiling to the replacement fabric of the seat cushion cover means that friction on the seat side finisher mountings generates a creaking noise. Remedy 1. Clean fabric cover and seat side finisher in marked area (Pic. 1) 2. Apply lubricant A 000 989 35 60 in area of inner plastic cover (reinforcement for cover at inner side of front seat - do not apply directly onto outer cover).

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