Mercedes-Benz A 220 2019–2020 — technical service bulletin
Bulletin ELW - Fuel Hose · NHTSA communication 10240204 · issued Jul 21, 2023
Technical service bulletin
communication type
Fuel System, Gasoline
component
2019–2020
model years
5
vehicle entries
Official summary
In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz USA, LLC (â MBUSAâ ) is extending the warranty coverage on the fuel supply hose in certain Model Year (â MYâ ) vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 15 years/150,000 miles (whichever occurs first) due to the following condition: â ¢ The fuel supply hose may have been inadvertently routed to where it could contact and chafe against the charge air pipe. Over time, the chafed area of the hose
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.