Mercedes-Benz CLA 2020 Operator's Manual page 72

70 Opening and closing
To unlock the vehicle: touch the inner sur‐
#
face of the door handle.
To lock the vehicle: touch sensor surface
#
1 or 2.
Convenience closing: touch recessed sen‐
#
sor surface 2 until the closing process has
been completed.
% Further information on convenience closing
( page 79).
/
If you open the trunk lid from outside, the trunk
lid is automatically unlocked.