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Service bulletin LI54.21-P-057930

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10095286
Published by NHTSA2017-03-16
Manufacturer's numberLI54.21-P-057930
Manufacturer's date2014-01-02
NHTSA componentSEATS; ELECTRICAL SYSTEM

NHTSA's summary

REAR SEAT HEATING CANNOT BE ACTIVATED

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Seats

Vehicles listed
MERCEDES BENZ GL1662012 to 2014
MERCEDES-BENZ M1662012 to 2014

Listing a model year does not mean every vehicle of it is concerned: the document says which.