2008 Mercedes R-Class Owner's Manual - Page 42
2008 Mercedes R-Class Manual
Page 42 highlights
Getting started Unlocking SmartKey with KEYLESS-GO* Vehicles equipped with the KEYLESS-GO feature are supplied with a SmartKey with integrated KEYLESS-GO function and a removable KEYLESS-GO start/stop button. With the KEYLESS-GO start/stop button inserted and the SmartKey with KEYLESS-GO present in the vehicle, pressing the KEYLESS-GO start/stop button without the brake pedal depressed corresponds to the various starter switch positions ( page 42) with the brake pedal firmly depressed will start the engine ( page 54) If you wish or should there be a need to insert the SmartKey with KEYLESS-GO in the starter switch, the KEYLESS-GO start/stop button can be easily removed by pulling it out of the starter switch. i The KEYLESS-GO start/stop button does not need to be removed from the starter switch when you leave the vehicle. However, always take the SmartKey with KEYLESS-GO with you when you leave the vehicle. As long as the SmartKey with KEYLESS-GO is in the vehicle, the vehicle's electrical systems can be switched on or the engine can be started using the KEYLESS-GO start/stop button. KEYLESS-GO start/stop button 3 USA only 4 Canada only The SmartKey with KEYLESS-GO must be located in the vehicle. Insert KEYLESS-GO start/stop button 1 into starter switch 2 (if not inserted already). Make sure the automatic transmission is set to P. Do not depress the brake pedal. 1 KEYLESS-GO start/stop button 2 Starter switch 41