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May 17, 2010 Service bulletin

Mercedes: mounting bolt of HV connection to HV battery broken during installation

Mercedes-Benz technical service bulletin LI-54-10 for 2010 Mercedes-Benz S550, 2004-2009 Mercedes Benz S600 and 2005-2008 Mercedes Benz S550 and others.

Bulletin number
LI-54-10
Component
Electrical system: 12v/24v/48v battery: cables
Summary
Mercedes: mounting bolt of hv connection to hv battery broken during installation. The mounting bolt shears off when retightened at the hv connection to the hv battery. Excessive stress on mounting bolt due to failure to comply with tightening torque of 5nm. Models 221.095/221.195(hybrid). No model years listed.

Owners of these vehicles have filed 17 complaints in the electrical category.

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