Activating/deactivating the child safety lock for the rear side windows
WARNING Risk of accident and injury due to children left unattended in the vehicle
If you leave children unattended in the vehicle, they may be able to set the vehicle in motion, for example by:
In addition, they may operate vehicle equipment and become trapped.
Never leave children and animals unattended in the vehicle.
When leaving the vehicle, always take the key with you and lock the vehicle. This also applies to the digital vehicle key if the "Digital Vehicle Key" function is activated via Mercedes me connect.
WARNING Risk of fatal injury due to exposure to extreme heat or cold in the vehicle
If people –particularly children – are exposed to extreme temperatures over an extended period of time, there is a risk of serious or even fatal injury!
Never leave anyone – particularly children – unattended in the vehicle.
Never leave animals in the vehicle unattended.
WARNING Risk of accident and injury due to children left unattended in the vehicle
If children are travelling in the vehicle, they could:
open doors, thereby endangering other persons or road users.
get out of the vehicle and be hit by oncoming traffic.
operate vehicle equipment and become trapped, for example.
Always activate the child safety locks installed if children are travelling in the vehicle.
Never leave children unattended in the vehicle.
When leaving the vehicle, always take the key with you and lock the vehicle. This also applies to the Digital Vehicle Key if the "Digital Vehicle Key" function is activated via Mercedes me connect.
Child safety locks for the rear doors and the rear side windows are available.
To activate/deactivate:
press button
.
The rear side window can be opened or closed in the following cases:
or shifting manual transmission into idle position. 
lit: via the switch on the driver's door