Mercedes-Benz GLE 2022 Operator's Manual page 151

To activate/deactivate: press button 2.
#
The rear side window can be opened or closed
in the following cases:
The indicator lamp 1 is lit: via the switch
R
on the driver's door
The indicator lamp 1 is off: via the switch
R
on the corresponding rear door or driver's
door
F167 0009 02
Safely transporting children in the vehicle 149