2005 Mercedes S-Class Owner's Manual - Page 37
2005 Mercedes S-Class Manual
Page 37 highlights
Getting started Unlocking ! If the SmartKey cannot be turned in the starter switch, the battery may not be sufficiently charged. Check the battery and charge it if necessary ( page 403). Get a jump start ( page 406). To prevent accelerated battery discharge or a completely discharged battery, always remove the SmartKey from the starter switch when the engine is not in operation. For information on starting the engine using the SmartKey, see "Starting with the SmartKey" ( page 46). SmartKey with KEYLESS-GO* Pressing the KEYLESS-GO start/stop button on the gear selector lever corresponds to turning the SmartKey to the various starter switch positions. If you firmly depress the brake pedal during pressing KEYLESS-GO start/stop button, the engine starts automatically. i The function of the SmartKey overrules the KEYLESS-GO function. KEYLESS-GO start/stop button 1 USA only 2 Canada only The SmartKey with KEYLESS-GO must be located in the vehicle. Make sure the gear selector lever is set to P. Do not depress the brake pedal. 35