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Service bulletin 511268

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 id10185492
Published by NHTSA2021-02-01
Manufacturer's number511268
Manufacturer's date2021-01-11
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

Mercedes-Benz USA is extending the warranty of the exhaust gas recirculation (“EGR”) valve for the affected vehicles to a total of 11 years / 120,000 miles from the vehicle’s original New Vehicle Limited Warranty start date. This addendum to the EGR valve coverage applies to the vehicle regardless of ownership.

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
COACHMEN GALLERIA2016
COACHMEN PRISM2015 to 2018
DYNAMAX ISATA2018
FOREST RIVER SOLERA2016
FOREST RIVER SUNSEEKER2016 to 2017

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