WenmarOpen by Wenmar Pro

Service bulletin LI27 10-P-067246

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 id10150685
Published by NHTSA2018-12-10
Manufacturer's numberLI27 10-P-067246
Manufacturer's date2018-04-18
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

166 and 463 with NAG2 harsh 4-3 downshift

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
MERCEDES-BENZ MERCEDES-BENZ

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