WenmarOpen by Wenmar Pro

Service bulletin LI72.40-P-071889

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 id11031202
Published by NHTSA2026-04-08
Manufacturer's numberLI72.40-P-071889
Manufacturer's date2026-04-07
NHTSA componentVISIBILITY/WIPER; ELECTRICAL SYSTEM

NHTSA's summary

Complaint When closing the door, the side window may remain slightly open (short stroke position). Automatic window raising function of side window inoperative. NOTE: Window is fully operational while holding the switch Cause Software in door control unit (N69/x). Starting the engine at the same time as the door is closing (short stroke closure of window lifter) may result in a denormalization of the window lifter system. Remedy Update the software in the affected door control unit (N69/x). • This requires the door control unit (N69/x) to be commissioned. • (Path: XENTRY Scope; Control units view; DCU-XX (N69/x); Adaptations; Commissioning) Availability of the repair software in the field organization: • Since 10.10.2020 for model series 238, 257, 217 (FACELIFT) and A/C205 (FACELIFT) • Since 12.04.2021 for model series 118

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, Glass, wipers and mirrors, Wipers and washers

Vehicles listed
MERCEDES BENZ C 300 4MATIC2018
MERCEDES-BENZ AMG C432017 to 2023
MERCEDES-BENZ AMG C632017 to 2021
MERCEDES-BENZ AMG C63 S2019 to 2023
MERCEDES-BENZ AMG C63S2017 to 2018
MERCEDES-BENZ AMG E532019 to 2023
MERCEDES-BENZ AMG S632018 to 2021
MERCEDES-BENZ AMG S652017 to 2019
MERCEDES-BENZ C 3002017 to 2018
MERCEDES-BENZ E 4002018
MERCEDES-BENZ E 400 4MATIC2018
MERCEDES-BENZ E 400 4MATIC CABRIOLET2018
MERCEDES-BENZ E 400 4MATIC COUPE2018
MERCEDES-BENZ E 400 4MATIC WAGON2018
MERCEDES-BENZ E 4502021 to 2023
MERCEDES-BENZ E 450 4MATIC2020
MERCEDES-BENZ E5502015 to 2017
MERCEDES-BENZ S 5602021
MERCEDES-BENZ S 560 4MATIC2018 to 2020
MERCEDES-BENZ S5502017
MERCEDES-BENZ S550 4MATIC2017
MERCEDES-BENZ S6502017
MERCEDES-MAYBACH S 5602021
MERCEDES-MAYBACH S 560 4MATIC2018 to 2020
MERCEDES-MAYBACH S 6502018 to 2019
MERCEDES-MAYBACH S5502017
MERCEDES-MAYBACH S6502017

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