Product FeaturesCompatible with select Mercedes-Benz vehicles Including 2005-2009 B, 2003-2007 C, 2004-2009 CLK, 2004-2011 CLS, 2004-2009 E, 2005-2011 G and 2005-2011 SLK Class vehicles for wide-ranging use. Compatible with Keyless-Go push-to-start vehicles Using additional parts (not included). Converts your existing key into a remote start transmitter So you can easily start your vehicle from a distance. Directly connects to existing vehicle starter components For easy installation. Add Range with a optional CompuStar remote transmitter kit (not included) Extends the controller's range, letting you start your vehicle from up to 1 mile away. Add unlimited range with a optional DroneMobile DR-2000 telematics system (not included) Enables you to monitor and control your vehicle's status from a compatible mobile phone or Web browser. Small form factor Minimizes bulk for easy portability. Steel shielding Ensures durability. Brushed-silver finish creates a sleek appearance.