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Service bulletin LI15.40-P-073663

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 id11005285
Published by NHTSA2024-07-26
Manufacturer's numberLI15.40-P-073663
Manufacturer's date2024-07-02
NHTSA componentENGINE

NHTSA's summary

Complaint Check engine light illuminates. No driveability complaint. Fault codes U0115 and U0168 stored in ISA control unit Cause ISA control unit software Remedy Clear fault codes and perform a test drive. If fault does not return and no other symptoms present the vehicle can be returned to the owner. These fault codes will not lead to driveability complaint. After 3 drive cycles the check engine light is turned off. SW 20.B version includes solution for this complaint and has been released

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

Engine

Trouble codes named

U0115, U0168

Vehicles listed
MERCEDES-BENZ S 5802021
MERCEDES-MAYBACH S 5802021

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