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Service bulletin LI20 20-P-067930

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 id10144106
Published by NHTSA2018-09-04
Manufacturer's numberLI20 20-P-067930
Manufacturer's date2018-03-23
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS

NHTSA's summary

Coolant Loss at the Hose Connection of the Low-Temperature Circuit Heat Exchanger

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, Cooling system

Vehicles listed
MERCEDES-BENZ AMG GT2017, 2018

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