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Old 04-09-2001, 09:02 PM
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Join Date: Apr 1999
Location: N.E. Ohio
Posts: 152
The climate control on my 300e is acting strange lately. When the car is first started the climate control works fine. When I turn the climate control off and then turn it back on the pushbuttons and temperature wheel have no effect on the system. The only way to correct this is to turn off the ignition and re-start the car. The system then works fine. I have heard the climate control is a weak point on these cars. Is it time to replace? How can I test pushbutton unit before replacing? Can it be the ignition switch of some type of relay? Any suggestions are appreciated.

1999 SL 500 Sport (30K miles)
1998 E320 (SOLD)
1989 560SL (SOLD)
1987 300E (TOTALED)
1986 300E (SOLD)
1984 300SD (SOLD)
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Old 04-09-2001, 10:08 PM
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Join Date: Mar 1999
Location: Suwanee, GA, USA
Posts: 4,712
It sounds like your compressor is locking out. I would take a look at the compressor operation next time it acts up. You may need something in that area.
Donnie Drummonds
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