Mercedes-Benz E-Class Wagon 2017 Operator's Manual page 51

Always activate the child safety locks
#
available if children are traveling in the
vehicle.
Never leave children unattended in the
#
vehicle.
When leaving the vehicle, always take
#
the SmartKey with you and lock the
vehicle.
Child safety locks are available for the rear doors
and for the rear side windows.
The child safety lock on the rear doors secures
each door separately. The doors can no longer
be opened from the inside.
Press the lever in direction
#
2 (deactivate).
Make sure that the child safety locks are
#
working properly.
Activating/deactivating the child safety lock
for the rear side windows
1 (activate) or
To activate/deactivate: press button 2.
#
Opening/closing the rear side windows is
possible:
With indicator lamp
R
on the driver's door.
49
Occupant safety
1 lit: via the switch