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Service bulletin LI27.20-P-065533

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 id10135765
Published by NHTSA2018-05-07
Manufacturer's numberLI27.20-P-065533
Manufacturer's date2017-01-13
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Model series 205 NAG2 only for C450 AMG, hard torque converter lockup clutch cut-in

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

Vehicles listed
MERCEDES BENZ C2052016
MERCEDES-BENZ C4502016 to 2017

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