As far as the a/c goes make sure that the micro-filters are clean & that the recirculation air flap closes off the in-coming air.


Reverse problems on the 722.3 trans is very common & somewhat costly$$$

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator