250 Instrument display and on-board computer
maximum range in the event of very high or
low outside temperatures, very high output
requirements over an extended time span, a
very low state of charge of the high-voltage
battery or a fault in the drive system.
The segments on the speedometer indicate the
status of the following systems: cruise control /
limiter / Active Distance Assist DISTRONIC
Overview of buttons on the steering wheel
1
P Back/Home button (press and hold),
on-board computer
2
Touch Control, on-board computer
3
Control panel for cruise control/limiter or
Active Distance Assist DISTRONIC
4
Control panel for the MBUX multimedia sys‐
tem (
page 254)
/
Operating the on-board computer
Observe the legal requirements for the country
in which you are currently driving when operat‐
ing the on-board computer.
The on-board computer is operated using the
left-hand Touch Control and the left-hand back/
home button.
When the on-board computer is being operated,
different acoustic signals will sound as operating
feedback, e.g. when the end of a list is reached
or when you are scrolling through a list.
The following menus are available:
Service
R