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December 19, 2024 Service bulletin

Check engine light illuminated Fault code present in MRG3 control unit P22C900

Mercedes-Benz technical service bulletin LI09.41-P-078735 for 2019-2024 Mercedes-Benz GLS 450, 2020-2024 Mercedes-Benz GLE 450 and 2021-2023 Mercedes-Benz E 450 and others.

Bulletin number
LI09.41-P-078735
Component
Engine
Summary
Complaint Check engine light illuminated Fault code present in MRG3 control unit P22C900 - The valve of the exhaust gas turbocharger is jammed closed. Cause Check valve in charge air pipe jammed closed. Remedy Replaced charge air line with check valve.

Owners of these vehicles have filed 87 complaints in the engine category.

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