Be sure to have the aux fans checked for proper operation. They are known to blow the 15A fuse that is located under the fuse box lid.(not in the same location of the other fuses) We replace them all with the 20A fuses and none have come back.
1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM