Tuesday, June 11, 2019

Mercedes-Benz A220 2020 Technical Service Bulletin # LI54-10_P-0540892 Date: 120903


Electrical - Battery Discharged, Vehicle Doesn't Start



Battery discharged, vehicle does not start



Topic number LI54.10-P-054089



Version 2



Design group 54.10 Battery, voltage supply, voltage converter



Date 09-13-2012



Validity Models: 204; 207; 212 (rotary light switch with zero position)



Reason for change Validity adapted



Complaint:



Battery discharged, vehicle does not start.



Cause:



Rotary light switch sending wrong signal after ignition OFF.



Remedy:



1) Read out fault roll of battery sensor (IBS).



2) If the following entries are present:



^ Power consumption by standing lights or parking lights



^ Power consumption by low beams then this is an indication of a faulty rotary light switch.



3) Replace rotary light switch.



Mercedes-Benz A220 2020 Page 25

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