To start with...please use a larger font.

As far as the a/c/c system goes, the blower regulator is the most common problem.
Testing is done at the blower regulator, under dash panel on the passenger side.

For the ESP/ABS system, reading codes from that system would be a starting point.

__________________
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