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November 1, 2012 Service bulletin

Mercedes: the power electronics module capacitance loss is due to the variability of capacitor quality...

Mercedes-Benz technical service bulletin SC-2012080004 for 2010-2012 Mercedes-Benz S550, 2011-2012 Mercedes-Benz S400 and 2010-2012 Mercedes-Benz S63 and others.

Bulletin number
SC-2012080004
Component
Electrical system: software
Summary
Mercedes: the power electronics module capacitance loss is due to the variability of capacitor quality combined with thermally variable continuous loading and need power electronics module software updated and replace power electronics module, if necessary. Model 2010-2012 221.

Owners of these vehicles have filed 6 complaints in the electrical category.

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