When you turn the air conditioning on in your car or SUV, nothing happens until the A/C compressor clutch activates. What it does is simple. It transfers the power from the engine crankshaft to a pulley that's mounted to the air conditioning compressor. When the A/C isn't turned on, the compressor spins freely -- reducing the demand for power and improving your fuel economy.

A clutch is made of two separate parts: an electromagnetic coil and a friction disc. The coil creates magnetic forces that then push the friction into the clutch's assembly, causing the compressor to rotate with the shaft.

How to Spot a Failing A/C Compressor Clutch

Even the highest quality compressor clutch can go bad over time. Signs of trouble include:

Buy Genuine OEM Air Conditioning Compressors and Clutches Online

Compressors can be replaced individually or as part of the assembly. Replacing them individually is usually easier for the average DIYer, since you don't need to purge and refill refrigerants as part of the process.

Either way, getting the right parts is essential. Mercedes-Benz designs their parts to fit their vehicles, ensuring the compatible fit you want and need. Find yours by selecting your model and model year, or enter your VIN. Once you find the parts you want, complete your order and we'll get it shipped right out!