G-Class Fuel Pump Relay, Relay Module, Relay Unit, Fuse Box, Genuine Parts Approximately 20 years ago, after a functionality check at a dealership, this was kept as a spare part for a G-Class (WD463231). However, as it is a used electronic component, please consider it as junk. It is believed to be compatible with the E-Class (W210) based on the part number. Part Number: A 210 540 02 72 Compatible Vehicles: G-Class (W463), E-Class (W210) *Please confirm compatibility with a dealership.