2005 Mercedes C-Class Owner's Manual - Page 99
2005 Mercedes C-Class Manual
Page 99 highlights
Controls in detail Locking and unlocking The switches are located in the center console. i You can open a locked door from the inside. Open door only when conditions are safe to do so. If the vehicle was previously centrally locked using the SmartKey, it will not unlock using the central unlocking switch 2. If the vehicle was previously locked with the central locking switch 1 Locking Press central locking switch 1. If all doors are closed, the vehicle locks. Unlocking Press central unlocking switch 2. The vehicle unlocks. 1 Central locking switch 2 Central unlocking switch while in the selective remote control mode, only the door opened from the inside is unlocked. while in the global remote control mode, the complete vehicle is unlocked when a door is opened from the inside. 97