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138 On-board computer and displays
Display messages
w
s
Braking effect limited
Õ
ESP not available
Õ
ESP deactivated Set nor-
mal level
Ò
Distance sensor dirty
Possible causes/consequences and
Have the brake system checked immediately at a qualified
#
specialist workshop.
* Supplementary text Û :
The temperature of one of the disk brakes on the towing vehicle is
too high.
WARNING! The disk brake may overheat. Driving/braking character‐
istics may change.
There is a risk of an accident.
Drive with even greater care.
#
Shift to a lower gear.
#
Brake the vehicle with the continuous brake.
#
Only depress the brake pedal if the continuous brake cannot
#
decelerate the vehicle sufficiently.
* Supplementary text Û :
In addition, the Á warning lamp lights up in the instrument clus‐
ter.
Stability Control Assist is malfunctioning.
& WARNING Risk of skidding as a result of an ESP malfunc‐
tion
®
If ESP
is malfunctioning, ESP
Drive on carefully.
#
®
Have ESP
checked at a qualified specialist workshop.
#
* In addition, the Á warning lamp lights up in the instrument clus‐
ter. If the chassis is not at driving level while driving, Stability Con‐
trol Assist is deactivated.
WARNING! Driving/braking characteristics may change.
There is a risk of an accident if you do not adapt your driving style.
Set the driving level (
#
* Supplementary text Û :
Brake Assist and distance control
WARNING!
If Active Brake Assist and the distance control assistant are inopera‐
tive, you will not receive any collision warnings. The vehicle will not
brake automatically in critical situations.
There is a risk of an accident.
Clean the distance sensor cover in the front bumper using water
#
(
/
page 318).
Do not use any dry, rough or hard cloths and do not scrub or
scratch.
Solutions
M
Adapt your driving style.
Visit workshop.
®
no longer stabilises the vehicle.
page 263).
/
Stop vehicle and clean
sensor.
faulty.
Active
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