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Service bulletin LI83.30-P-070309

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 id10186147
Published by NHTSA2021-02-01
Manufacturer's numberLI83.30-P-070309
Manufacturer's date2020-12-30
NHTSA componentVISIBILITY; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM

NHTSA's summary

Air Conditioning System Occasionally Does Not Cool Correctly At Outside Temperatures Above 40°C

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

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
MERCEDES-BENZ A 2202019 to 2021
MERCEDES-BENZ AMG A352020 to 2021
MERCEDES-BENZ AMG CLA352020 to 2021
MERCEDES-BENZ AMG GLA352021
MERCEDES-BENZ AMG GLA452019 to 2021
MERCEDES-BENZ AMG GLA45 S2021
MERCEDES-BENZ CLA 2502019 to 2021
MERCEDES-BENZ GLA 2502019 to 2021

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