From your username I assume your a virginia resident. Having problems with the heating/cooling system in my '91 300SE, haven't gotten manuals yet. Your location data is not on file, will you respond privately to kjuul@ntalex.com and kjuul@widomaker.com if you live close enough to the Tidewater area that I could take a look at trouble shooting procedures etc. If too far or not ameanable I understand. thanks, Ken Juul

Ken. Be sure to replace the mono valve insert before working too hard on the A/C-Heat./

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Benzmac:
1981 280GE SWB
1987 16V
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM

I'm in the other end of the Blue Ridge Mountains in Hokie territory.
My engine manual is specific to the diesel models and oddly the Body/Chassis manuals (volumes 1 & 2) doesn't seem to cover the climate control, unless I missed it after checking the contents and going through several sections.
I suppose the CD-ROM would cover it ?

Thanks for both the responses. Too slow on ordering the CD, hope to get one when they come back in. I understand the monovalve is a common easy fix, Guess I'll try that this weekend.