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Service bulletin P-SC-2021020005

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 id10189412
Published by NHTSA2021-03-29
Manufacturer's numberP-SC-2021020005
Manufacturer's date2021-02-05
NHTSA componentVEHICLE SPEED CONTROL

NHTSA's summary

Update Left and Right Front and Rear Door Control Unit 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

Throttle and cruise control

Vehicles listed
MERCEDES-BENZ S 5602021
MERCEDES-BENZ S 5802021
MERCEDES-MAYBACH S 5602021

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