SMART

EW - Change-Over Valve

2022-03-11 · NHTSA 11031639

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Manufacturer summary

Original wording in English

In our continuing efforts to assure the proper performance of Mercedes-Benz products and to enhance the satisfaction of our customers, Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles is extending the warranty coverage on the change-over valve in certain Model Year (“MY”) vehicles listed below from the original New Vehicle Limited Warranty of 4 years/50,000 miles to 10 years/120,000 miles (whichever occurs first) due to the following condition: • The change-over valve, which is responsible for the vacuum control to open and close the heating shut-off valve within the coolant circuit, could corrode internally due to water intrusion. Consequently, the internal corrosion could prevent proper operation of the heating shut-off valve. Please be advised that all repairs being claimed under this extended warranty must have a quick test uploaded with the following fault code information and may be audited. • P26AB00 - THE SHUT OFF VALVE OF THE COOLANT CIRCUIT JAMS IN THE OPEN POSITION All repairs found to be functioning properly or without proper documentation will be returned and the claim debited in full. Only the following damage codes and parts can be claimed for the aforementioned repairs: Damage Codes: • 2002X – Change-Over Valve Parts: • A2812030100 – Coolant Hose Please note that damage incurred from abuse, accident, vandalism or other non-warrantable causes which are not covered by the New Vehicle Limited Warranty are similarly not covered by this Extended Warranty.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.