Page 169 of 280

Additional displayRead and observe
on page 164 first.
If the menu item Road sign is currently not shown » Fig. 163 on page 165 -
,
the road sign with the speed limit will appear in the upper display area of the
instrument cluster » Fig. 163 on page 165 -
,
.
If several traffic signs are detected simultaneously, the next traffic sign will al- so in some cases be displayed in the colour display -
. All detected traffic
signs can be displayed in the menu item Road sign -
.
The additional display traffic sign detection can be activated/deactivated in
the Infotainment » operating instructions for Infotainment , chapter Vehicle
settings (CAR button) .
Traffic sign display when towing a trailer
Read and observe
on page 164 first.
When towing a trailer, displaying the traffic signs which apply when towing atrailer can be activated.
The traffic sign detection display when towing a trailer can be activated/deac-
tivated in the Infotainment » operating instructions for Infotainment , chap-
ter Vehicle settings (CAR button) .
Information messages
Read and observe
on page 164 first.
The information messages are shown in the instrument cluster display. No road signs available.
No maximum speeds were recognised (e.g. on German motorways where there
is no speed limit).
Error: Dynamic Road Sign Display
There is a system error. Seek help from a specialist garage. Dynamic Road Sign Display clean windscreen!
The windscreen is dirty, iced over or misted up in the camera viewing range.
Clean the windscreen or remove the obstacles.
Dynamic Road Sign Display currently restricted.
Infotainment Navigation is not currently providing any data. Check whether
the maps are up-to-date or the whether the vehicle is currently in a location
for which no navigation data are available.
Fatigue detection (break recommendation)
Introduction
This chapter contains information on the following subjects:
Function
166
Information messages
167
The fatigue detection system (hereinafter referred to only as system) recom-
mends the driver taking a break from driving when, because of the driver's
steering behavior, driver fatigue can be detected.
WARNING■ For the driving ability is always the driver's responsibility. Never drive if
you feel tired.■
The system may not detect all cases where a break is needed.
■
Therefore, take regular, sufficient breaks during long trips.
■
There will be no system warning during the so-called micro-sleep.
Note
■ In some situations, the system may evaluate the driving incorrectly and thus
mistakenly recommend a break (e.g. sporty driving, adverse weather condi-
tions or poor road conditions).■
The system is designed primarily for use on motorways.
Function
Read and observe
on page 166 first.
From the start of the journey, the system evaluates steering behavior. If, while
driving, there have been changes in the steering behaviours that are evaluated
by the system as indicating possible fatigue, a break recommendation is is-
sued.
The system evaluates steering behavior and recommends a break at speeds of
65-200 km / h.
166Driving
Page 170 of 280

The system detects a break from driving when one of the following condi-
tions is met.
› The vehicle is stopped and the ignition is turned off.
› The vehicle is stopped, the seat belt is taken off and the driver's door is
opened.
› The vehicle is stopped for more than 15 minutes.
If none of these conditions are met or if the driving style is not changed, the
system recommends a driving break again after 15 minutes.
The system can be activated/deactivated in the Infotainment » operating in-
structions for Infotainment , chapter Vehicle settings (CAR button) .
Information messages
Read and observe
on page 166 first.
The icon appears and the following message for a few seconds in the display
of the instrument cluster
Driver alert. Take a break!
DRIVER ALERT TAKE A BREAK
An audible signal is also emitted.
Tyre pressure monitoring
Introduction
This chapter contains information on the following subjects:
Saving tyre pressure values
167
Saving tyre pressure values and infotainment display
168
Saving tyre pressure values by pressing a button
168
The tyre pressure monitoring function (hereinafter referred to simply as the
system) monitors the tyre pressure while driving.
If the tyre inflation pressure changes, the warning light lights up in the in-
strument cluster and an audible signal is heard.
Information on the procedure for the notification of a change in tyre inflation
pressure » page 39 .
The system can only function properly if the tyres have the prescribed inflation
pressure and these pressure values are stored in the system.
WARNING■ Having the correct tyre inflation pressure is always the driver's responsi-
bility. Tyre inflation pressure must be checked regularly » page 204.■
The system cannot warn in case of very rapid tyre inflation pressure loss,
e.g. in case of sudden tyre damage.
Saving tyre pressure values
Read and observe
on page 167 first.
The tyre pressure values are always stored in the system if one of the follow-ing events occurs.
› Change of tyre inflation pressure.
› Change one or more wheels.
› Change in position of a wheel on the vehicle.
› The warning light
lights up in the instrument cluster.
Depending on the vehicle equipment, the tyre pressure values are stored ei-
ther in Infotainment or by pressing a button.
WARNINGBefore storing the pressure values, the tyres must be inflated to the speci-
fied inflation pressure » page 204. If incorrect pressure values are saved,
the system may also not issue a warning even if the tyre inflation pressure
is too low.l
CAUTION
The tyre pressure values must be saved every 10,000 km or once annually in
order to ensure correct system functioning.167Assist systems
Page 171 of 280

Saving tyre pressure values and infotainment displayFig. 164
Button for storing the pressure
values /example of the display:
the system is indicating a change
in tyre pressure in the rear right-
hand tyre
Read and observe on page 167 first.
›
Inflate all tyres to the prescribed pressure.
›
Switch on the ignition.
›
Infotainment switches on.
›
Press the button
→
→ Vehicle status .
›
Using the function keys,
select the menu item
Tyre Press. Loss Indicator .
›
Press the
SET » Fig. 164 button.
Follow the instructions that appear on the display.
A message in the display provides information about the storage of the tyre
pressure values.
Note
When warning light lights up in the instrument cluster, the affected tyre can
be displayed in Infotainment » Fig. 164.
Saving tyre pressure values by pressing a button
Fig. 165
Button for storing the pressure
values
Read and observe on page 167 first.›
Inflate all tyres to the prescribed pressure.
›
Switch on the ignition.
›
Press and hold
» Fig. 165 the symbol key.
The warning light
lights up in the instrument cluster.
An acoustic signal sounds and the warning light goes out - this indicates that the tyre pressure values have been saved.
›
Release the symbol key
the symbol key
168Driving
Page 172 of 280

Hitch and trailer
Hitch
Introduction
This chapter contains information on the following subjects:
Description
169
Adjusting the ready position
170
Correctly adjusted ready position
170
Assembling the ball rod - 1st step
171
Assembling the ball rod - 2nd step
171
Check proper fitting
172
Removing the ball rod - 1st step
172
Removing the ball rod - 2nd step
173
Accessories
173
The maximum trailer drawbar load is 75 kg.
For vehicles with all-wheel drive, the maximum trailer nose weight is 80 kg.
With G-TEC-vehicles, the maximum trailer drawbar load is 56 kg .
WARNING■
Before each time you make a journey when using the ball rod, check that
it is seated correctly and is secured in the mounting recess.■
Do not use the ball rod if it is not correctly inserted into the mounting re-
cess and secured.
■
Do not use the towing hitch if it is damaged or if there are parts missing.
■
Do not perform any modifications or changes to the towing device.
■
Never release the ball rod while the trailer is still coupled.
■
Keep the mounting recess of the towing device clean at all times. Such
dirt prevents the ball rod from being attached securely!
CAUTION
■ Take care when using the ball rod - there is a risk of paint damage to the
bumper.■
When the ball rod is removed always place the cover onto the mounting re-
cess - there is a danger of soiling the mounting recess.
Note■ Operation and maintenance of the tow hitch » page 185.■The towing vehicle by means of the detachable ball rod » page 223.
Description
Fig. 166
Support for the hitch equipment / ball bar / key (Version 1 and 2)
Read and observe
and on page 169 first.
The ball rod can be removed and is located in the spare wheel well or in a com- partment for the spare wheel in the luggage compartment.
The hitch comes with two key versions. The handling of the hitch is identical
for the two key versions. The difference is only in the key version.
Carrier for the towing device and ball rod » Fig. 166
13-pin power socket
Safety eye
Mounting recess
Cap
Dust cap
Ball rod
Operating lever
Lock cap
Trigger pin
Lock
Locking ball
Key – Version 1
Key – Version 2
12345678910111213169Hitch and trailer
Page 173 of 280

NoteIf you lose the key, please get in touch with a specialist garage.
Adjusting the ready position
Fig. 167
1st Step: Key Version 1 / key Version 2
Fig. 168
2nd step: both key versions
Read and observe and on page 169 first.
The ball rod must be set to the ready position prior to installation » page 170,
Correctly adjusted ready position .
If it is not in the ready position, then it must be set to the ready position as
follows.
1st Step - applies to the key version 1
›
Remove the cap from the lock
›
Insert key
A
into the lock so that the green marking is pointing upwards.
›
Turn key
A
in the direction of arrow
1
so that the red marking is pointing
upwards » Fig. 167.
1st Step - applies to the key version 2›Remove the cap from the lock›
Insert key
B
into the lock so that the eye of the key is pointing downwards.
›
Turn the key in the direction of arrow
B
2
so that the conclusions release
shows up » Fig. 167.
2nd Step - applies to both key versions
›
Grip the tow bar below the protective cap.
›
Push release pin
C
in the direction of arrow
3
to the stop, and simultane-
ously push operating lever
D
in the direction of arrow
4
to the
stop » Fig. 168 .
Operating lever
D
remains locked in this position.
Correctly adjusted ready position
Fig. 169
Ready position: Key Version 1 / key Version 2 / position of the
lever and the release bolt with two key versions
Read and observe
and on page 169 first.
Correctly adjusted ready position » Fig. 169
Applies to key version 1 - the red marking on key
A
is pointing upwards.
Applies to key version 2 - the eye of the key
B
is pointing upwards.
Operating lever
C
is locked in the lower position.
The trigger pin
D
can be moved.
The ball bar is thus set ready for installation.
CAUTION
In the ready position, the key cannot be removed nor turned into a different
position.170Driving
Page 174 of 280

Assembling the ball rod - 1st stepFig. 170
Insert ball rod / trigger bolt in the extended state
Read and observe
and on page 169 first.
Insert ball rod - applies to both key versions
›
Remove the cover for the mounting recess
4
» Fig. 166 on page 169 in a
downwards direction.
›
Adjust the ball rod to the ready position » page 170.
›
Grip the tow bar from underneath » Fig. 170 and insert into the mounting re-
cess in arrow direction
1
until you hear it click into place » .
The lever
A
automatically turns upwards in the direction of arrow
2
and the
release pin
B
pops out (both its red and green parts are visible) » .
If lever
A
does not turn automatically, or if the release pin
B
does not pop
out, remove the ball rod from the mounting recess by turning lever
A
down-
wards as far as it can go. Clean the contact surfaces on the ball rod and the
mounting recess.
WARNING■ Keep your hands outside the lever's range of motion when attaching the
ball rod – risk of finger injuries!■
Never attempt to pull the operating lever violently upwards to turn the
key. Doing so would mean the ball rod is not attached correctly!
Assembling the ball rod - 2nd stepFig. 171
Lock lock: Key Version 1 / key Version 2
Fig. 172
Place cap on the lock
Read and observe and on page 169 first.
Firstly, carry out the 1st step of ball rod assembly » page 171.
Applies to the key version 1
›
Turn key
A
in the direction of arrow
1
so that the green marking is pointing
upwards » Fig. 171.
›
Remove the key in the direction of the arrow
2
.
Applies to the key version 2
›
Turn the key
B
in the direction of arrow
3
so that the conclusions release
points down » Fig. 171.
›
Remove the key in the direction of the arrow
4
.
Applies to both key versions
›
Fit and press cap
C
onto the lock in the direction of arrow
5
» Fig. 172 .
›
Check that the ball rod is securely attached » page 172, Check proper fitting .
171Hitch and trailer
Page 175 of 280

CAUTIONAfter removing the key, always replace the cap on the lock – risk of lock get-
ting dirty.
Check proper fitting
Fig. 173
Duly fortified ball head
Read and observe and on page 169 first.
Before each use of the ball rod, check that it is attached properly.
Correctly secured ball rod » Fig. 173
The ball rod does not come off the mounting recess even after strong
“shaking”.
Operating lever
A
is as far up as possible.
The release pin
B
is completely exposed (both its red and green parts are
visible).
The key is removed.
The cap
B
is on the hand-wheel.
WARNINGDo not use the towing device unless the ball rod was properly locked!Removing the ball rod - 1st stepFig. 174
Remove the cap from the lock
Fig. 175
Unlock lock: Key Version 1 / version 2 key
Read and observe
and on page 169 first.
Applies to both key variants
›
Remove the cover
A
from the lock in the direction of the arrow
1
» Fig. 174 .
Applies to key version 1
›
Insert key
B
into the lock in the direction of arrow
2
so that the green
marking is pointing upwards.
›
Turn key
B
in the direction of arrow
3
so that the red marking is pointing
upwards » Fig. 175.
Applies to key version 2
›
Insert key
C
into the lock in the direction of arrow
4
so that the eye of the
key is pointing downwards.
›
Turn key
C
in the direction of arrow
5
so that the eye of the key is pointing
upwards » Fig. 175.
172Driving
Page 176 of 280

WARNINGNever remove the tow bar while the trailer is still coupled.
Note
We recommend putting the protective cover onto the ball head before remov-
ing the tow bar.
Removing the ball rod - 2nd step
Fig. 176
Release ball bar
Read and observe and on page 169 first.
Firstly, carry out the 1st step of ball rod removal » page 172.
Release ball head - applies to both key versions
›
Grasp the ball rod from below » Fig. 176 .
›
Push release pin
A
in the direction of arrow
1
to the stop, and simultane-
ously push operating lever
B
in the direction of arrow
2
to the stop .
The ball rod is released in this position and falls freely into the hand. If it does not fall freely into the hand, use your other hand to push it upwards.
At the same time, the ball rod latches into the ready position and is therefore
ready to be re-fitted »
.
›
Place the cap
4
» Fig. 166 on page 169 onto the mounting recess.
WARNINGNever allow the ball rod to remain unsecured in the boot. This could cause
damage to the boot upon sudden braking, and could put the safety of the
occupants at risk.
CAUTION
■ If lever B is held firmly and not pushed downwards to the stop, it will move
back up after the ball rod is removed and will not latch into the ready position.
The ball rod will then need to be brought into this position before the next
time it is fitted » page 170, Adjusting the ready position .■
Store the ball rod in the box in the ready position and with the key facing up-
wards - otherwise there is a risk of damage to the key!
■
Do not use excessive force when handling the operating lever (e.g. do not
climb on it)!
Note
Remove any dirt from the ball rod before stowing it away in the box with the
vehicle tool kit.
Accessories
Fig. 177
Depiction of the maximum per-
missible protrusion of the ball
head of the towing hitch and of
the permissible total weight of
the accessory including the load,
depending on the load centre of
gravity
Read and observe and on page 169 first.
An accessory (e.g. bicycle carrier) can be mounted on the ball head of the tow- ing hitch.
If this accessory is used, the maximum permissible protrusion of the ball head
of the towing hitch and the permissible total weight of the accessory including
the load must be observed.
The maximum permissible protrusion of the ball head of the towing hitch is
70 cm » Fig. 177 .
173Hitch and trailer