Mercedes-Benz A-Class Operator's Manual page 261

To end character input: press the % but‐
#
ton.
1
Input line
2 Displays suggestions during entry
3 Deletes the entry
4
Switches to voice input
% The available editing functions depend on
the editing task, the language set and the
character level.
4
Deletes
Pressing or pressing briefly deletes the last
character entered
Pressing and holding deletes the entry
MBUX (Mercedes-Benz User Experience) 259
Using handwriting input
5
Enters a space
6 Switches to input using the keyboard
7 Accepts an entry
8
Writes characters on the drawing surface