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In some countries, an audible signal will sound
and/or a message will appear on the display
when the vehicle reaches the maximum speed
permitted by law, e.g. at 75 mph (120 km/h).
Tachometer
* NOTE Engine damage due to maximum
engine speed being exceeded
If the maximum permissible engine speed is
exceeded, the engine may be damaged.
Avoid driving in the red speed range
#
(danger zone).
When the red mark is reached, the fuel supply
will be interrupted to protect the engine.
Outside temperature display
You should pay special attention to road condi‐
tions when temperatures are around freezing
point.
Bear in mind that the outside temperature display
indicates the measured air temperature and not
the road surface temperature.
The outside temperature is displayed on the mul‐
tifunction display (
page 140).
/
Changes in the outside temperature will be dis‐
played after a short delay.
Coolant temperature display
& WARNING Risk of burns when opening
the hood
If you open the hood when the engine has
overheated or when there is a fire in the
engine compartment, the following situations
may occur:
You could come into contact with hot
R
gases.
You could come into contact with other
R
hot, escaping operating fluids.
Before opening the hood, allow the
#
overheated engine to cool down.
In the event of a fire in the engine com‐
#
partment, keep the hood closed and call
the fire service.
In vehicles without steering wheel buttons, you
can show the coolant temperature on the display
(
page 142).
/
Instrument cluster and on-board computer 137
In vehicles with steering wheel buttons, there is
an analog coolant temperature display on the
instrument cluster's tachometer.
During normal driving and if the coolant level is
correct, the display is permitted to rise to the fol‐
lowing temperature:
Vehicles with front-wheel drive: up to 230°F
R
(110°C)
Vehicles with rear-wheel drive: up to 248°F
R
(120°C)
Overview and operation of the on-board
computer (vehicles without steering-wheel
buttons)
& WARNING Risk of distraction from infor‐
mation systems and communications
equipment
If you operate information and communica‐
tion equipment integrated in the vehicle when
driving, you will be distracted from the traffic
situation. This could also cause you to lose
control of the vehicle.
Only operate this equipment when the
#
traffic situation permits.
If you cannot be sure of this, stop the
#
vehicle whilst paying attention to road
and traffic conditions and operate the
equipment with the vehicle stationary.
You must observe the legal requirements for the
country in which you are currently driving when
operating the on-board computer.
& WARNING Risk of accident and injury
during intervention by the steering wheel
If you reach through the steering wheel to
operate the adjustment knobs while driving,
you could lose control of the vehicle.
Use the adjustment knobs only when
#
the vehicle is at a standstill.
Do not reach through the steering wheel
#
while driving.
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