I think the starter disable is not worth investing in. If someone wants your car they will get it. Soon I will be offering a keyless remote entry that will interface with your vacuum door lock pump and factory alarm and lock and arm both. Email me at Benzmac@peachparts.com and I will put you on the list.
ASE CERTIFIED MASTER AUTO TECHNICIAN
LEAD TECHNICIAN FOR 14 BAY FACILITY
MERCEDES SPECIALIST 8 YRS
PARTNER IN MERCEDESSHOP.COM