2001 Mercedes ML-Class Owner's Manual - Page 29

Instruments and controls Operation Driving Instrument cluster display 26 Practical hints Car care Technical data Index Central locking system General notes on the central locking system If the key in the steering lock is in position 1 or 2, the vehicle cannot be locked or unlocked with the remote control. If the vehicle cannot be locked or unlocked: • Check the batteries of the remote control, see page 270. • Synchronize the remote control, see page 271. Central locking system (Radio frequency remote control) The master key has an integrated radio frequency remote control. Due to the extended operational range of the remote control, it could be possible to unintentionally lock or unlock the vehicle by pressing the transmit button. The vehicle doors, liftgate and fuel filler flap can be centrally locked and unlocked via remote control. With vehicle centrally locked, the liftgate can also be unlocked by using the remote control. If the key in the steering lock is in position 1 or 2, the vehicle cannot be locked or unlocked with the remote control.