Cruise Control will not brake automati-
c
ally in this case.
·
Observe any country-specific regula-
tions regarding the minimum distance
between vehicles.
·
Maintain a larger gap in wet weather,
snow or poor visibility.
Adjusting the control behaviour
You can decide how sporty the response of
Adaptive Cruise Control should be:
1. Select the desired gearbox program in
the Assist systems menu of the Info-
tainment system.
Troubleshooting
Please refer to at the start of the
chapt
er on page 161.
Adaptive Cruise Control not availa-
bl
e
The indicator lamp lights up yellow.
— The radar sensor is dirty. Clean the radar
sensor → page 363.
— The radar sensor’s range has been im-
paired by the weather, e.g. by snow, or
residue/layers of cleaning agent. Clean
the radar sensor → page 363.
— The radar sensor’s range is obstructed by
add-on parts, trim frame for licence plate
holders or stickers. Remove any obstruc-
tions from the area around the radar sen-
sor.
— The radar sensor has been displaced or
damaged, e.g. due to damage to the
front of the vehicle. Check whether dam-
age is visible → page 366.
— Fault or malfunction. Switch o and re-
start the engine.
— Painting work or structural modifications
have been performed on the front of the
vehicle.
— If the problem persists, go to a corre-
spondingly qualified workshop.
Adaptive Cruise Control is not working
a
s expected
— The radar sensor is dirty. Clean the radar
sensor → page 363.
— The system limits have been exceeded
→ page 163.
— The brakes have overheated, control was
cancelled automatically. Leave the
brakes to cool and check them again.
— If the problem persists, go to a corre-
spondingly qualified workshop.
Control cannot be started
Make sure the following conditions are
met:
— A position has been selected for driving
forward.
— The brake lights on the vehicle are work-
ing.
— The brake lights on the electrically con-
nected trailer (country-specific) are
working.
— ESC is not performing a control interven-
tion.
— The brake pedal is not depressed.
Unusual noises during automatic brak-
ing
This is normal and is not a fault.
Touch panels do not react as expected
Moisture, dirt and grease can impede the
functioning of the touch panels.
1. Always keep touch panels clean and
dry.
Automatic Emergency Brak-
ing
Introduction
The Automatic Emergency Braking sys-
tem c
an detect imminent frontal colli-
sions and issue corresponding warn-
ings. The system can also assist when
braking and initiate automatic braking.
Automatic Emergency Braking
167
2KF012720AB
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