MERCEDES-BENZ · 2023-07-24
Trunk lid cannot be opened and closed with HANDS-FREE ACCESS (HFA). In the EZS control unit (N73), the fault code B1F8C14 ("The top sensor of the rear switch module has malfunctioned. There is a short circuit to ground or an open circuit. (HFA223)") is stored. Coding in control unit N38 (HANDS-FREE ACCESS). Perform SCN coding in control unit N38.