1990 (biult 1989) W126 300SE HVAC issues

1979-1991 280SE, 300SE, 300SEL, 380SE, 380SEL, 380SEC, 420SE, 420SEL, 420SEC, 500SE, 500SEL, 500SEC, 560SEL, 560SEC
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landylro
Dernburg Wagon
Posts: 8
Joined: Thu 25 Jun, 2015 4:58 pm
Model you own: w126
Region: Victoria
Location: Kyneton

1990 (biult 1989) W126 300SE HVAC issues

Post by landylro » Mon 30 Apr, 2018 2:39 pm

I have 2 primary issues with my HVAC;
1/ No air comming from the passenger or driver side vents, far side vents ( should these have outside air, air from the aircon seems to come thru the centre left/right vents fine)
2/Hot air comes from the footwell vents irrespective of the temperature setting.

I dont feel up to removing the dash given the involved pictures I have seen , I have done a lot to this car valve seals all suspension rebush on front assembly rebiult power/steering/susp pump but the dash removeal and diagnostic process related to this HVAC system seems beyond my humble abilities so if anyone can reccomend a good MB shop in Melb or North Melb that knows these W126 HVAC's I will need to get it done by them ( Yes for a couple of grand easy I guess, please do reccomend someone).

Hopefully these are simple :-) if such a thing exists on a W126.

rgds an thks

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