Auxiliary Fan Ballast Resistor

The electric auxiliary cooling fans in your Mercedes-Benz play a crucial role in your vehicles' cooling system, and this ballast resistor plays an important role in the operation of those fans.

If you auxiliary cooling fans have stopped functioning, the problem may not be with the fans themselves, but with the electrical system that supplies power to the fans. This ballast resistor helps regulate the power that is sent to the auxiliary cooling fans, however, over the years, the resistance can become too high within this device, causing the fans to not engage leading to engine overheating.

Don't let something as simple as a fan resistor take your Mercedes-Benz off the road, replace it today with a quality replacement part from Euromotiv.