Complaint
Mercedes-Benz technical service bulletin LI54.10-P-071832 for 2019-2021 Mercedes-Benz CLA250, 2020-2022 Mercedes-Benz GLA 250 and 2020-2022 Mercedes-Benz GLB 250 and others.
- Bulletin number
- LI54.10-P-071832
- Component
- Engine and engine cooling
- Summary
- Complaint - Vehicle cannot be unlocked/ vehicle does not start - Display message in instrument cluster "Battery - Start Engine - see Operator's Manual Cause Root cause is a bus keepawake in either the Headlight control unit or in one of the following: ALC, IC, SAM, PTCU, ESP. Additionally, the quick test will show U116000 "A bus keepawake control unit has been detected" in the electronic ignition switch (EZS) control unit for this root cause. Remedy Eliminate bus keep awake issue flash new software where available:
Owners of these vehicles have filed 55 complaints in the engine category.
Vehicles covered
- Mercedes-Benz CLA250 2019-2021 201920202021
- Mercedes-Benz GLA 250 2020-2022 202020212022
- Mercedes-Benz GLB 250 2020-2022 202020212022
- Mercedes-Benz A 220 2019-2022 2019202020212022
- Mercedes-Benz AMG Cla45 2019-2022 2019202020212022
- Mercedes-Benz AMG Gla45 2020-2022 202020212022
- Mercedes-Benz AMG Glb35 2020-2022 202020212022
- Mercedes-Benz AMG Cla35 2020-2022 202020212022
- Mercedes-Benz AMG A35 2020-2021 20202021
- Mercedes-Benz AMG Gla35 2021-2022 20212022
- Mercedes-Benz GLB 200 2020 2020
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