You may have an open wire from the EZL to the resistor pac. You will have to wing it on a wire diagram. I know of none for the Euro cars. I would start there.
------------------
Benzmac:
Donnie Drummonds
1992 500E (very soon I hope

1981 280GE SWB
ASE CERTIFIED MASTER AUTO TECHNICIAN
SERVICE MANAGER FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM