Activating and deactivating child safety locks

The child safety locks prevent the rear doors being opened from inside.

The child safety locks may be either manual or electric*.

Activating and deactivating manual child safety locks

P5-1507 Door with manual child lock with key blade
Manual child safety locks. Not to be confused with manual door locks.
Use the remote control key's detachable key blade to turn the knob.
P5-Icon gray box AThe door is blocked against opening from the inside.
P5-Icon gray box BThe door can be opened from both the outside and the inside.


  • A door's knob control only blocks that particular door - not both rear doors simultaneously.
  • Cars with an electric child safety lock do not have a manual child lock.

Activating and deactivating electric* child safety locks

The electric child safety locks can be activated and deactivated in all ignition positions higher than 0. Activation and deactivation can be performed up to 2 minutes after switching off the car, provided that no door is opened.

P5-1507 Door switch electric child lock
Button for electric activation and deactivation.
Start the car or choose an ignition position higher than 0.
Press the button in the driver's door control panel.
The driver display shows the message Rear child lock Activated and the button's lamp illuminates - the locks are active.

When the electric child safety lock is active then the rear

  • windows can only be opened with the driver's door control panel
  • doors cannot be opened from inside.
To deactivate the locks:
Press the button in the driver's door control panel.
The driver display shows the message Rear child lock Deactivated and the button's lamp goes out - the locks are deactivated.

When the car is switched off, the current setting is stored – if the child safety locks are activated when the car is switched off, the function will continue to be activated next time the car is started.

P5-15w19 - Childlock ON
Rear child lock ActivatedChild safety locks are activated.
P5-15w19 - Childlock OFF
Rear child lock DeactivatedChild safety locks are deactivated.
  1. * Option/accessory.