# Climiate Control Issues **URL:** \ **Category:** Maintenance/Repairs\ **Created:** [December 12, 2008, 8:14pm UTC](https://community.cartalk.com/t/climiate-control-issues/23325 "2008-12-12T20:14:06Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![nchish9612](https://avatars.discourse-cdn.com/v4/letter/n/df705f/32.png) [@nchish9612](https://community.cartalk.com/u/nchish9612)\ **Post date:** [December 12, 2008, 8:14pm UTC](https://community.cartalk.com/t/climiate-control-issues/23325/1 "2008-12-12T20:14:06Z")
Dear Car Talk, I have a problem with my Climate Control System. I had a new radio installed last week and this morning I notice the car defroster system did not work. In addition, the heater nor the air condition is not work when I check the systems. When I turn up the fan to maximum, I can hear the fan blowing but no air cool or hot flow out of the vents. Can you tell me what the problem could be? The car is a 2003 Mercedes Benz C240 Thanks, Nate ---
**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\ **Post date:** [December 12, 2008, 9:17pm UTC](https://community.cartalk.com/t/climiate-control-issues/23325/2 "2008-12-12T21:17:55Z")
I had a new radio installed … Enough said. They likely knocked or damaged a vacuum line or maybe something they used is jamming your controls. In either case it is almost certain that they should fix it for free. ---
**Author:** ![jtsanders](https://avatars.discourse-cdn.com/v4/letter/j/c2a13f/32.png) [@jtsanders](https://community.cartalk.com/u/jtsanders)\ **Post date:** [December 12, 2008, 10:13pm UTC](https://community.cartalk.com/t/climiate-control-issues/23325/3 "2008-12-12T22:13:34Z")
I would take it back to the radio installer and describe the problem; show it to them. Ideally, they would pay for the required repairs at your local Benz dealership.