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Service bulletin LI20.20-P-071612

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 id10179908
Published by NHTSA2020-09-21
Manufacturer's numberLI20.20-P-071612
Manufacturer's date2020-08-12
NHTSA componentFUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING; LANE DEPARTURE

NHTSA's summary

Coolant warning in instrument cluster - Leak in coolant line below air filter

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

Driver assistance, Engine, Fuel system

Vehicles listed
MERCEDES-BENZ AMG A452020
MERCEDES-BENZ AMG CLA452019
MERCEDES-BENZ AMG GLA45 S2021

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