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September 3, 2025 Service bulletin

Complaint To prevent the wiper motor from overheating, the wipe frequency is reduced automatically when a...

Mercedes-Benz technical service bulletin LI82.35-P-079531 for 2020-2025 Mercedes-Benz GLA 250, 2020-2025 Mercedes-Benz GLB 250 and 2021-2023 Mercedes-Benz AMG Gla45 and others.

Bulletin number
LI82.35-P-079531
Component
Visibility/wiper
Summary
Complaint To prevent the wiper motor from overheating, the wipe frequency is reduced automatically when a dry windshield is detected. In specific situations under various independent ambient conditions, this detection could be activated by mistake, with the result that the wiper system switches from activated continuous operation to intermittent operation when it's raining. Cause Sensitive parameters for detecting dry conditions. The wiper system might switch back to intermittent operation even though it is raining and continuous wiping is activated. Remedy Install new wiper motor assembly. In the new wiper motor system, the parameters for detecting dry conditions have been optimized.

Owners of these vehicles have filed 7 complaints in the visibility category.

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