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Service bulletin LI20 10-P-063817

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 id10144104
Published by NHTSA2018-09-04
Manufacturer's numberLI20 10-P-063817
Manufacturer's date2018-03-26
NHTSA componentEQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

Check Engine Lamp Illuminated - DTC: P012800 - Thermostat sticks in open state

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, Equipment and accessories

Trouble codes named

P0128

Vehicles listed
MERCEDES-BENZ MERCEDES-BENZ

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