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Mercedes-Benz TSB #LI54.10-P-071832
2020 Mercedes-Benz CLA250
TSB Document:
Affected Component: EQUIPMENT
- 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:
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