Opening
During opening, the trunk lid pivots back and up.
Ensure that adequate clearance is available before opening.
Opening from the outside
▷ Press the button on the trunk lid.
▷ 
Press the button on the remote
control for approx. 1 second.
▷ With Comfort Access the trunk lid opens with no-touch activation.
Opening from the inside
Push the button in the driver's
footwell.
If the vehicle is stationary, the trunk lid opens if it is not locked.
See also:
Remove attached parts following use
Remove auxiliary mirrors, roof or rear luggage
racks which are no longer required following
use.
Attached parts on the vehicle impair the aerodynamics
and increase the fuel consumption. ...
Mobility
To ensure that you remain mobile at all times, this
chapter supplies you with important information
on the topics of fuels and lubricants, wheels and
tires, service, maintenance, and Roadside
...
Opening and closing: Using the remote control
Persons or animals in a parked vehicle could
lock the doors from the inside. You should therefore take the remote control with
you when you leave the vehicle so that the latter can be opened from ...