
The electric parking brake is applied if
the trans‐
mission is in position 005Dand one of thefo llow‐
ing conditions is fulfilled:
R The engine is switched off.
R The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
% Toprev ent application: pull the handle of the
electric parking brake.
In thefo llowing situations, the electric parking
brake is also applied:
R Active Dis tance Assi stDISTRONIC is bringing
th eve hicle toast andstill.
R The HOLD function is keeping theve hicle sta‐
tionar y.
R Active Parking Assist is keeping theve hicle
st ationar y.
This is only the case if one of thefo llowing con‐
ditions is also fulfilled:
R The engine is switched off. R
The seat belt tongue is not inser ted in the
seat belt buckle of the driver's seat and the
driver's door is opened.
R There is a sy stem malfunction.
R The po wer supply is insuf ficient.
R The vehicle is stationary for a lengt hyperiod.
When the electric parking brake is applied, the
re d0049 (USA) or 0024(Canada) indicator lamp
appears in the instrument clus ter.
The electric parking brake is not automatically
applied if the engine is switched off bythe ECO
st art/ stop function.
Electric parking brake function (releasing
automatically)
The electric parking brake is released when the
fo llowing conditions are fulfilled:
R The engine is running.
R The seat belt tongue is inser ted into the seat
belt buckle of the driver's seat.
R The transmission is in position 005Bor005E and
yo u depress the accelera tor pedal or you shift from transmission position
005Dto005B or
005E.
R Ifth e transmission is in position 005E,the
trunk lid mu stbe closed.
If th e seat belt tongue is not inser ted into the
seat belt buckle of the driver's seat, thefo llow‐
ing conditions must be fulfilled:
R The driver's door is closed.
R You mo vethe transmission out of transmis‐
sion position 005Doryou ha veprev iously
driven faster than 2 mph (3 km/h).
R Ifth e transmission is in position 005E,the
trunk lid mu stbe closed.
When the electric parking brake is released, the
re d0049 (USA) or 0024(Canada) indicator lamp
in the instrument clus ter goes out. 15 2
Driving and pa rking

App
lying/releasing the electric pa rking
brake manually
Applying #
Push handle 1.
The red0049 (USA) or 0024(Canada) indica‐
to r lamp appears in the instrument clus ter. %
The electric parking brake is only securely
applied if the indicator lamp is lit continu‐
ously.
Re leasing #
Swit chon the ignition. #
Pull handle 1.
The red0049 (USA) or 0024(Canada) indica‐
to r lamp in the instrument clus ter goes out.
Emer gency braking #
Press and hold handle 1.
When theve hicle has been braked to a
st andstill, the electric parking brake is
applied. The red0049 (USA) or 0024(Can‐
ada) indicator lamp appears in the instru‐
ment clus ter. Note
s on parking theve hicle for an extended
period If
yo u lea vetheve hicle par kedfo r longer than
fo ur we eks, the disconnected battery may be
damaged bydeep dischar ge. If
yo u lea vetheve hicle par kedfo r longer than six
we eks, it may suf fer disuse dama ge.
% Further information can be obtained at a
qu alified specialist workshop. Connecting trickle
charger *
NO
TEStarter battery dama gedue to
long non-ope rational times If
th eve hicle is not mo vedfo r a longer
period, thest ar ter battery may discharge and
be dama ged. #
Connect a trickle charge rto the soc ket
in the trunk. #
Switch the ignition off. Driving and parking
15 3

#
Connect the trickle charge rto the soc ket1
using the adap ter cable. Consult the manu‐
fa cturer's ope rating instructions on how to
do so.
% You can also close the trunk lid when the
trickle charge r is connected. *
NO
TEDama getothe connecting cable
when closing the trunk lid #
Do not bring the connecting cable into
th e area of the lock when closing the
trunk lid. *
NO
TEDama getothe connecting cable
and the connector when theve hicle unin‐
te ntional lyrolls away #
Keep the connector outside of the trunk
when closing the trunk lid. #
Before switching on the ignition, remo vethe
adap ter cable from soc ket1 again. St
andby mode (extension of the star ter bat‐
te ry 's period out of use) St
andby mode function
% This function is not available for all models.
If standby mode is activated, theve hicle can be
par kedfo r an extended pe riod of time without
losing po wer. St
andby mode is characterized bythefo llowing:
R The star ter battery is preser ved.
R The maximum non-operational time out of
use is displa yed in the multimedia sy stem
displa y.
R The connection toonline services is inter rup‐
te d.
If th efo llowing conditions are fulfilled, standby
mode can be activated or deactivated using the
multimedia sy stem:
R The engine is switched off.
R The ignition is switched on.
Exceeding theve hicle's displa yed non-opera‐
tional time may cause inco nvenience, i.e. it can‐
not be guaranteed that thest ar ter battery will
re liably start the engine.
The star ter battery must be charge dfirs t in the
fo llowing situations:
R The vehicle's non-operational time must be
ex tended. 15 4
Driving and pa rking

Sy
stem limitations
The rear view camera will not function or will
on ly pa rtially function in thefo llowing situations:
R The trunk lid is open.
R There is heavy rain, snow or fog.
R The ambient light conditions are poor, e.g. at
night.
R The camera lens is obstructed, dirty or fog‐
ge d up. Obser vethe no tes on cleaning the
re ar view camera (→ page 352).
R The camera or rear of your vehicle is dam‐
aged. In this case, ha vethe camera and its
position and setting checked at a qualified
specialist workshop.
The field of vision and other functions of there ar
view camera may be restricted due toadditional
accesso ries on there ar of theve hicle (e.g.
license plate brac ket or bicycle rack ).
% The contrast of the display may be impaired
by direct sunlight or by other light sources,
e.g. when driving out of a garage . In this
case, pay particular attention. %
Have the display repaired or replaced if, for
ex ample, pixel er rors considerably restrict its
use.
Obser vethe no tes on cleaning there ar view
camera (→ page 352). 360° camera
Fu
nction of the 360° Camera
The 360° Camera is a sy stem that consists of
fo ur cameras. The cameras co verth e immediate
ve hicle sur roundings. The sy stem assists you,
e.g. when parking or at exits with reduced visibil‐
ity.
The 360° Camera is only an aid. It is not a sub‐
st itute foryo ur attention tothe sur roundings.
The responsibility for safe maneu vering and
pa rking remains with you. Make sure that there
are no persons, animals or objects etc., in the
maneu vering area while maneu vering and pa rk‐
ing.
The sy stem evaluates images from thefo llowing
cameras:
R Rear view camera R
Front camera
R Two side cameras in the outside mir rors
Vi ew s of the 360° Camera
Yo u can select from dif fere nt vie ws: 1
Wide-angle vie w,front
2 Top view with image from the front camera
3 Top view with images from the side cameras
in the outside mir rors
4 Wide-angle vie w,rear
5 Top view with image from there ar view cam‐
era
6 Top view with trailer view (if trailer hitch is
ins talled) Driving and parking
187

The guide lines in
the multimedia sy stem dis‐
play show the dis tances toyour vehicle. The
dis tances only apply toroad le vel.
Side view of the mir ror cameras
The sides of theve hicle can be seen in this vie w. 1
Guide line of extern al vehicle dimensions
with outside mir rors folded out
2 Marker of the wheel conta ct points
Sy stem failure
If th ere is no operational readiness, thefo llowing
message appears in the multimedia sy stem: Sy
stem limitations
The 360° Camera will not function or will only
partially function in thefo llowing situations:
R The doors are open.
R The side mir rors are folded in.
R The trunk lid is open.
R There is heavy rain, snow or fog.
R The ambient light conditions are poor, e.g. at
night.
R The camera lens is obstructed, dirty or fog‐
ge d up.
R If cameras or vehicle components in which
th e cameras are ins talled are damaged. In th
is eve nt, ha vethe cameras, their positions
and their setting checked at a qualified spe‐
cialist workshop.
Do not use the 360° Camera under such circum‐
st ances. You could otherwise injure others or
collide with objects when parking or maneuver‐
ing theve hicle.
On vehicles with height-adjus table suspension or
if th eve hicle is car rying a heavy load, leaving the
st andard height can result in inaccuracies in the
guide lines and in the display of thege nerated
ima ges, depending on tech nical conditions.
The field of vision and other functions of the
came rasystem may be restricted due toaddi‐
tional attachments on theve hicle (e.g. license
plate brac ket, bicycle rack ).
See the no tes on cleaning the 360° Camera
(→ page 352).
Selecting a view for the 360° Camera
Requ irements:
R The Auto. Rear View Cam. function is selec‐
te d in the multimedia sy stem. Driving and parking
18 9

#
Engage reve rsege ar. #
Inthe multimedia sy stem, select the desired
vie w.
Opening the camera co ver of the rear view
camera
Multimedia sy stem:
, Vehicle .
k Assistance .
Camera
& Parking #
Select Open Camera Cover .
% The camera co ver closes auto maticallyafter
some time or af ter an ignition cycle.
Setting the camera as a favo rite
Yo u can call up the camera view directly in the
multimedia sy stem bysetting it as a favo rite. #
Press the00E2 button on the control ele‐
ment.
The main functions are displa yed. #
Navigate down wards twice.
The Favorite s menu appears. #
Select New Favorite . #
Select Vehicle. #
Select Camera. Ac
tive Parking Assist Fu
nction of Active Parking Assist
Ac tive Parking Assist is an elect ronic pa rking
assis tance sy stem which uses ultrasound and is
automatically activated during forw ard tra vel.
The sy stem is operational at speeds of up to
appr oximately 22 mph (35 km/h). When all the
conditions are ful filled, thec symbol appears
in the multifunction display in the instrument
clus ter and the sy stem automatically sear ches
fo r and measu res parking spaces on bo thsides
of theve hicle parallel and perpendicular tothe
direction of tr avel. If Active Parking Assist is acti‐
va ted, suitable parking spaces are shown in the
display of the multimedia sy stem. The ësym‐
bol appears in the display of the multimedia sys‐
te m. The ar rowsshow on which side of thero ad‐
wa y free parking spaces are located.
The parking space and, if necessar y,the parking
direction can be selected as desired. Active
Pa rking Assist calculates a suitable vehicle path
and assists you in parking and exiting the park‐
ing space. Ac
tive Parking Assist supports bychanging gear,
accelerating, braking and steering theve hicle.
Ac tive Parking Assist is only an aid. It is not a
substitute foryo ur attention tothe sur roundings.
The responsibility for safe maneu vering and
pa rking remains with you. Make sure that no
persons, animals or objects etc. are in the
maneu vering range.
Ac tive Parking Assist is canceled if, among other
th ings, one of thefo llowing actions is car ried
out:
R You deactivate Parking Assist PARKTRONIC.
R You deactivate Active Parking Assist.
R You begin steering.
R You apply the parking brake.
R You en gage transmission position 005D.
R ESP ®
inter venes.
R You open the doors or the trunk lid while
driving.
Sy stem limitations
Objects located abo veor below the de tection
ra nge of Active Parking Assist are not de tected 19 0
Driving and pa rking

be applied automaticall
y.To do this, the function
uses thera dar sensors in the bumper. The area
adjacent totheve hicle is continually monitored.
If th era dar sensors are obstructed byvehicles
or other objects, de tection is not possible.
The Cross Traf fic Alert function is acti veunder
th efo llowing conditions:
R If Blind Spot Assist is activated.
R Ifth eve hicle is backing up at walking pace.
R Ifth e maneuvering assis tance function is
acti vated in the multimedia sy stem.
Sy stem limitations
The Cross Traf fic Alert function is not available
on inclines.
Deactivating/activating maneuvering assis‐
tance
Multimedia sy stem:
, Vehicle .
k Assistance .
Camera
& Parking .
Maneuvering Assist. #
Activate 0073or deacti vate 0053 the function.
% Maneuvering assis tance mu stbe active for
th e function of Drive AwayAssi st (
→ page 194) and Cross Traf fic Alert
(→ page 195). AT
TENTION ASSI ST Fu
nction of ATTENTION ASSI ST
AT TENTION ASSIST assists you on long, mon oto‐
nous journe ys, e.g. on highw ays and trunk roads.
If AT TENTION ASSIST de tects indicators of fati‐
gue or increasing lapses in concentration on the
part of the driver, it suggests taking a brea k.
AT TENTION ASSIST is only an aid. It cannot
alw ays de tect fatigue or lapses in concentration
in time. The sy stem is not a substitute for a well-
re sted and attentive driver. On long journe ys,
ta ke regular breaks in good time that allow for
adequate recuperation.
Yo u can choose between two settings.
R Standard: normal sy stem sensitivity.
R Sensitive: higher system sensitivity. The
driver is warned earlier and the attention
le ve l de tected byATTENTION ASSIST is adap‐
te d according ly. If dr
owsiness or increasing lapses in concentra‐
tion are de tected, theATTENTION ASSIST: Take
a Break! warning appears in the Instrument Dis‐
pla y.Yo u can ackn owledge the message and
tak e a break where necessar y.Ifyo u do not take
a break and ATTENTION ASSIST continues to
de tect increasing lapses in concentration, you
will be warned again af ter a minimum of
15 minutes. Yo
u can ha vethefo llowing status information for
AT TENTION ASSIST displa yed in the assis tance
menu of the on-board computer:
R The length of the journey since the last
break. 19 6
Driving and pa rking

R
the windshield wiper switch is in position 005A.
R the SmartK eyis at a minimum dis tance of
10 ft(3 m) away from theve hicle, otherwise
th e trunk lid could open unintentionally.
R in car washes with a con veyo r sy stem: neu‐
tral 005Cis engaged.
% In car washes with a con veyo r sy stem: if you
wo uld like tolea vetheve hicle while it is
being washed, make sure the SmartK eyis
located in theve hicle. The 005Dgear is other‐
wise automatically engaged.
% If, af terth e car wash, youre mo vethewax
from the windshield and wiper rubbers, this
will pr event smearing and reduce wiper
noise. Information on using a po
werwa sher &
WARNING Risk of accident when using
high-pressure cleaning equipment wi th
ro und-spr aynozzles
The wate r jet from a round-spr aynozzle (dirt
grinder) may cause dama getotires and sus‐
pension components that is not visible.
Components damaged in this wa y may fail
unexpec tedly. #
Do not use high-pressure cleaning
equipment wi thround-spr aynozzles to
clean your vehicle. #
Damaged tires or suspension compo‐
nents must be replaced immediatel y. To
avo id damage to yourvehicle, obser vethefo l‐
lowing when using a po werwa sher:
R keep the SmartK eyat least 10ft(3 m) away
from theve hicle. Otherwise the trunk lid
could open unintentionall y.
R maintain a dis tance of at least 11.8 in
(30 cm) totheve hicle. R
vehicles with deco rative foil: parts of your
ve hicle are co vered with a decorative foil.
Maintain a dis tance of at least 27.6 in
(70 cm) between thefo il-c ove red parts of the
ve hicle and the nozzle of the po werwa sher.
Mo vethe po werwa sher nozzle around whilst
cleaning. The waterte mp erature of the
po we rwa sher must not exceed 140 °F
(60 °C).
R obse rveth e information on the cor rect dis‐
tan ce in the equipment manufacturer's oper‐
ating instructions.
R do not point the nozzle of the po werwa sher
directly at sensitive parts such as tires, the
soft top, the wind deflector net, slits, electri‐
cal component parts, batteries, light sources
and ventilation sl ots. Wa
shing theve hicle byhand Obser
vethe legal requ irements, e.g. in a number
of countries, washing byhand is only permitted
in specially designated wash ba ys. #
Use a mild cleaning agent, e.g. car shampoo. 344
Maintenance and care