2005 Mercedes C-Class Owner's Manual - Page 78

Safety and Security Panic alarm* An audible alarm and flashing exterior lamps will operate for approximately 21/2 minutes. Activating Press and hold button 1 for at least one second. Deactivating Press button 1 again. or Insert SmartKey in starter switch. i For operation in the USA only: This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any unauthorized modification to this device could void the user's authority to operate the equipment. 1 Â button i Canada only: Only vehicles equipped with an anti-theft alarm system* have SmartKeys with integrated panic button 1. 76