Mercedes Electrical System Control Relay Switch | Part #A0009828123
The Mercedes Electrical System Control Relay Switch (Part #A0009828123) is a heavy-duty electromagnetic switching relay designed to manage high-current circuits using low-current dash switches or computer signals. Tailored for Mercedes-Benz electrical and accessory systems, this relay reliably handles power distribution for fuel pumps, glow plugs, or blower motors. It features a standard multi-pin plug-in blade terminal base (typically 4 or 5 pins), a durable dust-sealed plastic housing measuring roughly 3cm x 3cm x 2.5cm, and an internal copper coil rated for 12V DC operation.