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- - 1999 SL500 Heater Problems (https://mercedesforum.com/forum/mercedes-sl-class-15/1999-sl500-heater-problems-26286/)

r2heineman

Jan 19, 2008 12:03 PM

1999 SL500 Heater Problems

Any time I start the car after its been off for 1 or more hours the heater/ac fan works great. Within 10 minutes the fan shuts down and no heat/ac. Is anyone aware of a relay, etc that could be causing this issue?

bobterry99

Feb 4, 2008 04:21 PM

RE: 1999 SL500 Heater Problems

You can run diagnostics on the climate controller by simply pressing a sequence of buttons on the unit. That procedure has been written-up here at least once (fall of '06): http://www.benzworld.org/forums/r129-sl-class/andcan be found using the "search".

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