Displays and operation
241
The brightness control knob is located on the
Important safety notes
bottom left of the instrument cluster
( Y page 37).
G WARNING
X Turn the brightness control knob clockwise or
On-board computer and displays
If you operate information and communica-
anti-clockwise.
tion equipment integrated in the vehicle when
If you turn the light switch to Ã, T or
L, the brightness is dependent upon the
driving, you could be distracted from the traf-
brightness of the ambient light.
fic situation. This could also cause you to lose
control of the vehicle. There is a risk of an
i The light sensor in the instrument cluster
accident.
automatically controls the brightness of the
multifunction display.
Only operate this equipment when the traffic
In daylight, the displays in the instrument
situation permits. If you cannot be sure of this,
cluster are not illuminated.
stop the vehicle paying attention to road and
traffic conditions and operate the equipment
with the vehicle stationary.
Speedometer with segments
You must observe the legal requirements for the
The segments in the speedometer indicate
country in which you are currently driving when
which speed range is available.
operating the on-board computer.
R Cruise control activated ( Y page 177):
G WARNING
The segments light up from the stored speed
to the maximum speed.
If the instrument cluster has failed or there is
a malfunction, you may not know about
R Variable speed limiter is activated
( Y page 179):
safety-related function restrictions. The oper-
The segments light up from the start of the
ating safety of your vehicle may be affected.
scale to the selected speed limitation.
There is a risk of an accident.
R Distance Pilot DISTRONIC is activated
Immediately stop the vehicle while paying
( Y page 181):
attention to the traffic conditions and consult
One or two segments in the stored speed
a qualified specialist workshop.
range light up.
R Distance Pilot DISTRONIC detects a vehicle in
The on-board computer shows display mes-
front moving more slowly than the stored
sages or warnings only from certain systems on
speed:
the multifunction display. You should therefore
The segments between the speed of the vehi-
make sure your vehicle is operating safely at all
cle in front and the stored speed light up.
times.
For an overview, see the instrument cluster illus-
tration ( Y page 37).
Rev counter
Plug-in hybrid: be sure to read the separate
Owner's Manual. Otherwise, you may fail to rec-
! Do not drive in the overrevving range. Doing
ognise dangers.
so will damage the engine.
The red band in the rev counter indicates the
engine's overrevving range.
Displays and operation
The fuel supply is interrupted to protect the
Instrument cluster lighting
engine when the red band is reached.
The lighting in the instrument cluster, in the dis-
plays and the controls in the vehicle interior can
be adjusted using the brightness control knob.
Z
English 
