Your AC and heater controls make it easier for you to either maintain or a adjust the cabin temperature to your liking. While some vehicles have manual controls, premium models such as your Mercedes-Benz tend to feature automatic temperature controls. That allows you to set it and forget it, leaving you free to focus on the road ahead rather than fiddling with switches and knobs.

There are several types of controls for your HVAC system. If yours has dual-zone climate control, each front seat occupant can set the temperature that they prefer. Some models even allow the rear-seat passengers to set their own climate controls. Meanwhile, defrost buttons activate heater elements both front and rear to clear the windshield and rear glass of ice or fogging.

How to Spot Faulty AC and Heater Controls

When your HVAC system is acting up, it could be due to controls going bad. Signs of failure include:

You Can Trust Genuine OEM AC and Heater Controls to Perform Best

If you do need to replace a faulty ac and heater control, insist on getting the best for your vehicle. That means buying the ones that were made specifically with your model in mind, by your manufacturer. Doing that ensures a compatibility you can trust, both in terms of fit and performance. Find them right here in our online auto parts catalog, in stock and ready to ship. Orders are usually delivered within 7 business days. Need them sooner than that? Contact us and ask about overnight shipping options.