Mercedes-Benz E350 2010–2013 — technical service bulletin
Bulletin LI61.25-P-047933 · NHTSA communication 11033181 · issued Jun 2, 2026
Technical service bulletin
communication type
Structure
component
2010–2013
model years
8
vehicle entries
Official summary
Complaint The underfloor paneling is loose or sags (picture 1). Cause Mounting clips broken or not correctly engaged. Remedy Replace all mounting clips with collar nuts with shims (picture 2): Adapter set (203 589 02 31 00) is required to perform the work. The underfloor paneling does not have to be removed. 1. Loosen all mounting clips. Use a 13 mm socket for this (picture 3). 2. Unscrew all mounting clips. • During spraying, the underfloor paneling must be pressed upwards against the vehicle underfloor. 4. Install a spacer washer on each threaded pin between underbody and underbody paneling.
Vehicles covered
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.