I have seen these work weird. Open the doors and start the engine. Then try it. If you have a vacuum leak, you might be able to get into it this way. I have even had to strike them with a plastic hammer to get them open.

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