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September 16, 2024 Service bulletin

Check engine light on. Fault code P207273

Mercedes-Benz technical service bulletin LI07.70-P-078078 for 2018-2023 Mercedes-Benz C300, 2020-2023 Mercedes-Benz E350 and 2019-2023 Mercedes-Benz GLC 300 and others.

Bulletin number
LI07.70-P-078078
Component
Engine
Summary
Complaint Check engine light on. Fault code P207273 - "Throttle actuator valve is blocked due to ice" stored. Engine may crank and not start. Fault code P210185 may also be stored. Cause Moisture freezing on throttle actuator during extreme low ambient temperatures. Remedy Update software of engine control module. Software increases throttle valve flapping after engine turned off to prevent moisture buildup.

Owners of these vehicles have filed 322 complaints in the engine category.

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