My 03 CLS was broken into a few weeks ago. I was wondering if anyone had any recommendations for alarms? I found this one on crutchfield: Crime Guard AL-100C. It is an add on so you can keep your factory keyless entry. Does anyone have any experience with this model? And if so how hard was the install? Thanks

 

Clifford Matrix 3.5 or AvantGuard 5
Compustar 2WSS-A(S)

Figure out if you want remote start and/or responder system.

 

my boy has the clifford alarm with the remote paging and lcd screen, his car got jacked, it even had the tilt sensor for crying out loud. if theives want your car, no matter what alarm you have it doesnt matter. what matters is keeping your whip low key.