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Service bulletin SC-2019030023

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 id10160737
Published by NHTSA2019-06-03
Manufacturer's numberSC-2019030023
Manufacturer's date2019-04-11
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN

NHTSA's summary

Update powertrain control unit (PTCU) software

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

Electrical system, Transmission and driveline

Vehicles listed
MERCEDES BENZ C2052015 to 2018
MERCEDES BENZ GLC2016
MERCEDES-BENZ GLC2015
MERCEDES-BENZ GLC2017 to 2018

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