Where is the fuel pump relay on a 1990 Mercedes Benz 190E?

The fuel pump relay on a 1990 Mercedes Benz 190E is typically located in the fuse box, which is situated in the engine compartment. It's usually found near the driver's side or front of the car. The relay can be identified by its rectangular shape and is often labeled for easy identification. Always consult the owner's manual or a repair guide for precise location details specific to your vehicle.