Actually on a Benz, we see many problems where the fuses contact off and on. The top or bottom of the fuse will be burned where you can't see it(inside the contact area.)

------------------
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