2005 Mercedes C-Class Owner's Manual - Page 90

Controls in detail Locking and unlocking In the "Controls in detail" section you will find detailed information on how to operate the equipment installed on your vehicle. If you are already familiar with the basic functions of your vehicle, this section will be of particular interest to you. To quickly familiarize yourself with the basic functions of the vehicle, refer to the "Getting started" section of this manual. The corresponding page numbers are given at the beginning of each segment. For more information on locking and unlocking, see "Getting started" ( page 32) and ( page 54). SmartKey Your vehicle comes supplied with two SmartKeys, each with remote control and a removable mechanical key. The locking tabs for the mechanical key portion of the two SmartKeys are a different color to help distinguish each SmartKey unit. The SmartKey provides an extended operating range. To prevent theft, however, it is advisable to only unlock the vehicle when you are in close proximity to it. The SmartKey centrally locks and unlocks: the doors the trunk the fuel filler flap SmartKey with remote control 1 ‹ Lock button 2 Š Opening button for the trunk lid 3 Mechanical key locking tab 4 Œ Unlock button 5 Battery check lamp 6  Panic button* ( page 76). i Canada only: Only vehicles equipped with an anti-theft alarm system* have SmartKeys with integrated panic button 6. 88