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Warranty extension EW- Fuel Tank Ventilation

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)
TypeWarranty extension
NHTSA id11031612
Published by NHTSA2026-04-28
Manufacturer's numberEW- Fuel Tank Ventilation
Manufacturer's date2021-06-18
NHTSA componentFUEL/PROPULSION SYSTEM

NHTSA's summary

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) vehicles listed below, an activation of the Malfunction Indicator Lamp (“MIL”) may occur due to sporadic jamming of the fuel tank ventilation valve. As a result, we have decided to extend the warranty on the fuel tank ventilation valve from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles. This extended warranty applies to the aforementioned condition that necessitates the servicing and/or replacement of the fuel tank ventilation valve under the standard warranty terms and conditions. The extended warranty is applicable to the following vehicles:

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

Fuel system

Vehicles listed
SMART FORTWO2017
SMART FORTWO CABRIOLET2017 (the catalog's model; the bulletin names a series or trim of it)

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

Other bulletins for the same vehicles and component
CL- Fuel Tank Vent Valve2026-05-01. Other. Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles, has determined that on certain Model Year (“MY”) vehicles listed below, an activation of the Malfunction Indicator Lamp (“MIL”) may occur due to sporadic jamming of the fuel tank ventilation valve. As a result, we have decided to extend the warranty on the fuel tank ventilation valve from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles. This extended warranty applies to the aforementioned condition that necessitates the servicing and/or replacement of the fuel tank ventilation valve under the standard warranty terms and conditions. The extended warranty is applicable to the following vehicles:
LI07.61-P-0632632018-05-07. Service bulletin. Smart 453 Engine diagnosis warning lamp activated - Fault code P261000
LI54.30-P-0611272018-05-07. Service bulletin. Instrument cluster - Fuel gauge does not indicate "Full"
LI54.30-P-0611272018-05-07. Service bulletin. Instrument cluster - Fuel gauge does not indicate "Full"