RIfth e sensors malfunction due to otherradar
source inter fere nce, forex ample strongradar
re flections in parking garage s.
RIf a loss of tire pressure or a defective tire
has been de tected and displ ayed.
The sy stem may not react cor rectly:
RIn complex traffic st ations where objects
cannot alw ays be clearly identified.
RTo pedestrians or vehicles if they mo ve
qu ickly into the sensor de tection range.
RTo pedestrians who are hidden by other
objects.
RIf th e typical outline of a pedestrian cannot
be distinguished from the bac kground.
RIfa pedestrian isnot recognized as such , e.g.
due tospecial clo thing or other objects.
ROn bends with a tight radius.
Setting Active Brake Assi st
Multimedia system:
, 9 H K L F O H.k $ V V L V W D Q F H. $ F W L Y H
% U D N H $ V V L V W
Ve hicles without Driving Assistance Pack‐
age: The settings can be made af terst arting the
ve hicle.
Ve hicles with Driving Assistance Package:
The settings can be made when the ignition is
switched on.
% It is recommended that you alw ays lea ve
Ac tive Brake Assi stswitched on.
The moment of warning or inter vention can be
adjus ted as follo ws :
#Select $ F W L Y H % U D N H $ V V L V W : D U Q L Q J % U D N H
$ S S O L F D W L R Q ( D U O \: your selection isretained
when theve hicle is next star ted.
#Select $ F W L Y H % U D N H $ V V L V W : D U Q L Q J % U D N H
$ S S O L F D W L R Q 0 H G L X P :yo ur selection is
re tained when theve hicle is next star ted.
#Select $ F W L Y H % U D N H $ V V L V W : D U Q L Q J % U D N H
$ S S O L F D W L R Q / D W H: your selection is retained
when theve hicle is next star ted.
#Select $ F W L Y H % U D N H $ V V L V W : D U Q L Q J % U D N H
$ S S O L F D W L R Q 2 I I:
Ve hicles without Driving Assistance Pack‐
age: The dis tance warning function and the
autonomous braking function are deactiva‐
te d. When theve hicle is next star ted, the
middle setting is auto matically selected.
Ve hicles with Driving Assistance Pack‐
age: The dis tance warning function and the
autonomous braking function are deactiva‐
te d. Evasive Steering Assist is una vailable.
When the ignition is next star ted, the middle
setting is selected automatically and Evasive
St eering Assist is available.
% When Active Brake Assi stis deactivated, the
æ symbol appears inthe assis tance
graphic in the multifunction displa y.
Driving and parking 15
9
#Stores cur rent speed 2(once af terst arting
th eve hicle).
or
#Calls up stored speed 2.#Deactivates cruise contro l1.
#Press the le ver brief ly:st ored speed is
increased 3orreduced
4 by1mp h (1 km/h).
or
#Press the le ver be yond the pressure point:
st ored speed is increased 3orreduced
4 by10 mph (10 km/h).
If cruise contro l has been deactivated, the cur‐
re nt driven speed is adop ted with 3or4. %
Ifyo u brake, deactivate ESP
®or if ESP®
inter venes, cruise control is deacti vated.
When youswit choff theve hicle, the last
speed stored is cleared.
Setting the speed limit for winter tires
Multimedia sy stem:
, 9 H K L F O H.î 9 H K L F O H 6 H W W L Q J V. : L Q
W H U 7 L U H V / L P L W
#Select the speed or deactivate the function.
Distance Pilot DISTRONIC
Fu nction of Distance Pilot DISTRONIC
Dis tance Pilot DISTRONIC:
RMaintains the set speed and accelerates or
decelerates theve hicle if the dis tance from
th eve hicle in front permits.
RAssists youin main taining the dis tance from
th eve hicle in front and can bring your vehi‐
cle toast andstill if necessar y.
RBrakesyour vehicle with up to50 % of the
maximum possible braking po wer.If greater
decelera tion performance is requ ired, a vis‐
Driving and parking 16
1
System limitations
Either a course-cor recting brake application
appropria teto the driving situation, or none at
all, may occur in thefo llowing situations:
RThere are vehicles or obs tacles, e.g. crash
barr iers, on bo thsides of your vehicle.
RAve hicle approaches too closely on the side.
RYo u ha veadop ted a sporty driving style with
high cornering speeds.
RYo u clear lybrake or accelera te.
RA driving safe ty system inter venes, such as
ESP®or Active Brake Assi st.
RESP®is deacti vated.
RTire pressure loss or a defective tire has
been de tected.
RWhen driving wi tha trailer, the electrical con‐
nection tothe trailer hitch has been cor rectly
es tablished. Ac
tivating/deactivating Blind Spot Assi stor
Ac tive Blind Spot Assi st
Multimedia sy stem:
, 9 H K L F O H.k $ V V L V W D Q F H. % O L Q G
6 S R W $ V V L V W
#Ac tivate Oor deacti vate ª the function.
Ac tive Lane Keeping Assist
Function of Active Lane Keeping Assist
Active Lane Keeping Assist monitors the area in
front of your vehicle bymeans of multifunction
camera 1. It ser vesto protect you against unin‐
te ntional lyleaving your lane. Youwill bewarned
by means of a vibration in thesteering wheel
Driving and parking 19
5
RYou ha veadop ted a sporty driving style with
high cornering speeds or high rates of accel‐
eration.
RESP®is deactivated.
RWhen driving with a trailer, the electrical con‐
nection tothe trailer has been cor rectly
es tablished.
RIf a loss of tire pressure or a defective tire
has been de tected and displ ayed.
The sy stem may be impaired or may not function
in thefo llowing situations:
RThere is poor visibility, e.g. duetoinsuf ficient
illumination of thero ad, highly variable shade
conditions, or due torain, sno w,fog or heavy
spr ay.
RThere is glare, e.g. from the sun, reflections
or oncoming tra ffic.
RThere is dirt on the windshield in the vicinity
of the multifunction camera or the camera is
fo gged up, damaged or obscured.
RNo or se veral, unclear lane markings are
present for one lane, e.g. in a construction
area.
RThe lane markings are worn, dark or co vered.
RThe dis tance totheve hicle in front is too
small and the lane markings thus cannot be
de tected.
RThe lane markings change quickl y,e.g. lanes
branch off, cross one ano ther or mer ge.
RThe road is very nar row and winding.
Ve hicles with Driving Assistance pac kage or
Driving Assistance Plus pa ckage: Active Lane
Ke eping Assist uses radar sensors tomonitor
se veral areas aroun
dth eve hicle. If thera dar
sensors in there ar bumper are dirty or co vered
with snow ,th e sy stem may be impaired or may
not function. If an obs tacle in the lane in which
yo u are driving has been de tected, no lane-cor‐
re cting brake application occurs .
Switching on Active Lane Keeping Assist
&
WARNING Risk of accident despite
Ac tive Lane Keeping Assist warning
A lane-cor recting brake application cannot
al wa ys bring theve hicle back into the origi‐
nal lane.
#Alw aysst eer, brake or accelera teyour‐
self, especially if Active Lane Keeping
Assist warnsyo u or makes a lane-cor‐
re cting brake application.
&
WARNING Risk of accident despite inter‐
ve ntion of Active Lane Keeping Assist
Ac tive Lane Keeping Assist does not de tect
traf fic conditions or road users. In very rare
cases, the sy stem may make an inappropri‐
ate brake application, e.g. af ter intentional ly
driving over a solid lane marking.
The brake application can be inter rupte d at
any time if yousteer slightly in the opposite
direction.
#Alw ays make sure that there is suf fi‐
cient dist ancetothe side forot her traf‐
fi c or obs tacles.
&
WARNING Risk of accident despite Lane
Ke eping Assist
Lane Keeping Assist cannot always clearly
de tect lane markings.
Driving and park ing19
7
Adjusting the in stru ment lighting
#Turn brightness control 1up or down.
The lighting of the Instrument Display and in
th e controls in theve hicle interior is adjus‐
te d.
Menus and submenus
Fu nctions in the Service menu of the on-
board compu ter
On-board computer:
, 6 H U Y L F H
#To select the function: swipe upwards or
down wards on the left-hand side of Touch
Control.
#Press the left-hand Touch Control.
Fu nctions in the 6 H U Y L F H menu:
RMessage memory (→page 380)
R 7 L U H 3 U H V V X U H :
-Checkingthe tire pressure with the tire
pressure monitoring sy stem
(
→page 344)
-Re starting the tire pressure monitoring
sy stem (→page 345)
R $ 6 6 <