1979 Mercedes Benz 450sl Heater Operation

15,000 MILES • 4.5L • V8 • RWD • AUTOMATIC
Avatar
BYTOWNER
  • MEMBER
  • 1 POST
Sometimes with the heater off it will bow hot or cold air or with in heat mode it will blow cold
Apr 27, 2015 at 6:59 AM
Avatar
STRAILER
  • ✓Experienced Mechanic
  • 55,676 POSTS
They had big problems with the climate controller in those models, we had one in the shop a while back did the same thing, it sounds like that could be the problem.

Please let us know

Best, Ken
May 3, 2015 at 7:26 AM
Add a reply
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.

Frequently Asked Problems for This Vehicle