2005 Mercedes S-Class Owner's Manual - Page 38

Getting started Unlocking Position 0 Before you press the KEYLESS-GO start/stop button 1, the vehicle's on-board electronics have status 0 (as with SmartKey removed). Position 1 Press KEYLESS-GO start/stop button 1 once. This supplies power to some electrical consumers, such as seat adjustment. Ignition (or position 2) Press KEYLESS-GO start/stop button 1 twice. All lamps (except high beam headlamp indicator lamp and turn signal indicator lamps unless activated) in the instrument cluster come on. If a lamp in the instrument cluster fails to come on when the ignition is switched on, have it checked and replaced if necessary. If a lamp in the instrument cluster remains on after starting the engine or comes on while driving, refer to "Lamps in instrument cluster" ( page 338). i If you now press the KEYLESS-GO start/stop button once, the power supply is again switched off. i When you switch on the ignition, the indicator and warning lamps (except high beam headlamp indicator lamp and turn signal indicator lamps unless activated) in the instrument cluster come on. This indicates that the respective systems are operational. The indicator and warning lamps (except high beam headlamp indicator lamp and turn signal indicator lamps unless activated) should go out when the engine is running. For information on starting the engine using the KEYLESS-GO start/stop button, see "Starting with KEYLESS-GO*" ( page 47). i If you now press the KEYLESS-GO start/stop button once again, the ignition (position 2) is switched on twice, the power supply is again switched off 36