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March 1, 2012 Service bulletin

Mercedes: engine control module software, for diesel engine vehicles, fails to meet current OBD...

Mercedes-Benz technical service bulletin SB-2012020001 for 2012 Mercedes-Benz ML350, 2012 Mercedes-Benz S550 and 2012 Mercedes-Benz S400 and others.

Bulletin number
SB-2012020001
Component
Electrical system: software
Summary
Mercedes: engine control module software, for diesel engine vehicles, fails to meet current obd specifications and will need to be updated. Models 2012 166, 221.

Owners of these vehicles have filed 13 complaints in the electrical category.

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