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January 24, 2025 Service bulletin

Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3...

Mercedes-Benz technical service bulletin LI47.50-P-078804 for 2015-2024 Mercedes-Benz C300, 2020-2023 Mercedes-Benz E350 and 2016-2022 Mercedes-Benz GLC 300 and others.

Bulletin number
LI47.50-P-078804
Component
Fuel/propulsion system
Summary
Complaint Customer-perceived problem: • Fuel gauge reading implausible • MIL ON (market-dependent) N118/3 Fault codes in control units FSCM_GEN4/5/6 • For these fault codes, the tests contained in XENTRY must be carried out P046109 / P206609 / P13E600 • For these fault codes, the connector couplings/wiring harness routing must be checked for damage P206600 / P046100 Cause Various Remedy Carry out XENTRY tests for the listed fault codes in the FSCM (N118) and document the monitor graphics for the primary/ secondary lever-type sensors.

Owners of these vehicles have filed 414 complaints in the fuel system category.

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