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RecallGazette

Vehicle problems, recalls & safety intelligence

Mercedes-Benz S550 2004–2015technical service bulletin

Bulletin LI-54-10 · NHTSA communication 10036741 · issued May 17, 2010

Technical service bulletin
communication type
Electrical System
component
2004–2015
model years
23
vehicle entries

Official 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. *pe

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.