#
Method 2: interrupt the po wer supply byacti‐
va ting standby mode (/ page145). #
Method 3: disconnect all batteries. In this
case, please con tact a qualified specialist
wo rkshop.
% Charge
thest ar ter battery every 6 months,
eve n if it has been disconnected or in
st andby mode.
The charge leve l of thest ar ter battery must be
ch eckedeve ryfour we eks if no measures are
ta ke nto maintain the battery charge. #
Voltage of thest ar ter battery below
12 .2 V: charge thest ar ter battery topreve nt
deep discha rge damage.
% Yo
u can obtain fur ther information at a quali‐
fi ed specialist workshop. St
andby mode Ac
tivating/deactivating standby mode
Re quirements:
R The engine is switched off.
When you activate standby mode, the energy loss
is minimized if theve hicle is par kedfo r an exten‐
ded pe riod.
St andby mode has thefo llowing characteristics:
R The star ter battery is pr otected.
R The maximum non-operational time is shown
inthe media displa y.
R The connection toonline services is inter rup‐
te d.
R The ATA (anti-theft alarm sy stem) is not avail‐
able.
R The interior motion sensor and tow- aw ay
alarm functions are not available.
If th efo llowing conditions are met, standby mode
can be activated or deactivated using the multi‐
media sy stem:
R The engine is switched off.
R The ignition is switched on.
If th e displa yed non-operational time of theve hi‐
cle is exceeded, there could be a loss of comfort
and thest ar ter battery can no longer be guara n‐
te ed toreliably start the engine. The
star ter battery must firs t be charge d in the
fo llowing situations:
R The non-operational time of theve hicle is to
be extended.
R The messa gethat the battery charge is not
suf ficient forst andby mode appears in the
media displa y.
% St
andby mode is automatically deactivated
when the ignition is switched on.
On-board computer: 4 Settings 5
Vehicle
5 Ruhezustand (Stan dby) #
Toactivate/deactivate: selectYesorNo.
% If
th e options are gr ayed out, then the battery
ch arge is not suf ficient forst andby mode. Driving and driving saf
ety sy stems Note
on driving sy stems and your responsibil‐
ity Yo
ur vehicle is equipped with driving sy stems
which assist you in driving, parking and maneu‐
ve ring theve hicle. The driving sy stems are aids
and do not relie ve you of your responsibility.
Alw ays pay attention tothe tra ffic and inter vene
if necessa ry. Be aware of the limitations rega rd‐
ing the safe use of these sy stems. Information about sensors
Cer
tain driving and driving saf ety sy stems use
sensors 1tomonitor the area in front of, behind
or next totheve hicle (depending on theve hicle's
equipment). Driving and parking
14 5
Depending on
theve hicle's equipment, thera dar
sensors are integrated behind the bumpers
and/or behind thera diator grill. Keep these parts
free of dirt, ice and slush (/ page 288). The sen‐
sors must not be co vered, forex ample bybicycle
ra ck s, overhanging loads or sticke rs. Af ter a colli‐
sion, ha vethe function of thera dar sensors
ch ecked at a qualified specialist workshop as
damage (bo thvisible or non-visible) may ha ve
occur redto the bumper or radiator trim. Fu
nction of driving sy stems and driving
saf ety sy stems In
this section, you will find information about the
fo llowing driving sy stems and driving saf ety sys‐
te ms:
R ABS ( Anti-lock braking system)
(/ page 146)
R ASR (acceleration skid control) (/ page 147)
R BAS (Brak eAssist System) (/ page146)
R ESP ®
(Electronic Stability Program)
(/ page 147)
R EBD ( Electronic Brakeforc eDistribution)
(/ page 148)
R Active Brake Assi st (/ page 149)
R Cruise co ntrol (/ page 151)
R Active Dis tance Assi stDISTRONIC
(/ page 152)
R Hill start assist (/ page155)
R HOLD fu nction (/ page 155)
R Parking Assist PARKTRONIC (/ page156)
R Rear view camera (/ page157)
R Surround view camera (/ page159)
R ATTENTION ASSIST (/ page162)
R Traf fic Sign Assi st (/ page 163)
R Blind Sp otAssi st (/ page 164)
R Active Lane Keeping Assist (/ page167) Fu
nctions of ABS (Anti-lock Braking Sy stem) Obser
vethe impor tant sa fety guidelines forthe
driving saf ety sy stem. ABS cont
rols the brake pressure in critical situa‐
tions:
R The wheels are pr evented from lo cking when
braking, e.g. during maximum full-s top brak‐
ing or when there is insuf ficient tire traction
R The steerability of theve hicle in term s of
ph ysical possibilities is ensured when braking
R ABS is active from speeds of appr ox. 3 mph
(5 km/h). On a slippery road sur face, ABS
inter venes even if you on lybrake gently.
Sy stem limits
If th ere is a malfunction and theye llow 0025 ABS
wa rning lamp lights up continuously in the instru‐
ment display af terst arting the engine, ABS may
be impaired or inoperative.
If ABS inter venes, you will feel a pulsing in the
brake pedal. The pulsating brake pedal may be an
indication of hazardous road conditions and func‐
tions as a reminder totake extra care while driv‐
ing.
If ABS in terv enes: keep the brake pedal firm ly
depressed until the braking situation has passed.
To car ryout maximum full-s top braking:
dep ress the brake pedal with full forc e. Fu
nction of BAS (Brake Assist Sy stem) &
WARNING Risk of an accident caused by
a malfunction in BAS (Brake Assi stSys‐
te m)
If BA S is malfunctioning, the braking dis tance
in an emergency braking situation is
increased. #
Depress the brake pedal with full force
in emer gency braking situations. ABS
pr eve nts the wheels from locking. BA
S suppo rts yo u with additional braking forc e in
an emer gency braking situation.
If yo u depress the brake pedal quickl y,BA S is
acti vated:
R BAS au tomatically boosts the braking forc e of
th e brakes
R BAS can sho rten the braking dis tance
R ABS pr events the wheels from locking
When youre lease the brake pedal, the brakes
function as usual again. BAS is deactivated. 14 6
Driving and pa rking
Au
tonomous braking function
The autonomous braking function may inter vene at speeds starting from appr oxima tely 4mph
(7 km/h) in thefo llowing situations: Ve
hicles tr avel‐
ing in front St
ationary vehi‐
cles Crossing
vehi‐
cles Crossing pedes‐
trians/cycli
stsSt
ationary
pedestrians
Up toappr ox.
15 5mph
(250 km/h) Up
toappr ox.
12 4mph
(200 km/h) No
reaction Uptoappr ox.
37 mph
(60 km/h) No
reaction Situation-dependent braking assistance
Situation-dependent braking assistance may inter vene at speeds starting from appr oxima tely
4 mp h (7 km/h) in thefo llowing situations: Ve
hicles tr avel‐
ing in front St
ationary vehi‐
cles Crossing
vehi‐
cles Crossing pedes‐
trians/cycli
stsSt
ationary
pedestrians
Up toappr ox.
15 5mph
(250 km/h) Up
toappr ox.
50 mph
(80 km/h) No
reaction Uptoappr ox.
37 mph
(60 km/h) No
reaction Canceling a brake application of
Active Brake
Assi st
Yo u can cancel a brake application of Active
Brake Assi stat any time by:
R Fully depressing the accelerator pedal or with
kickdown.
R Fully releasing the brake pedal (only during
situation-dependent braking assis tance).
Ac tive Brake Assi stmay cancel the brake applica‐
tion when one of thefo llowing conditions is fulfil‐
led:
R You maneuver toavo idthe obs tacle.
R Thereis no longer a risk of collision.
R An obs tacle is no longer de tected in front of
yo ur vehicle.
Sy stem limits
The sy stem may be impaired or may not function
in thefo llowing situations:
R The sensors are af fected bysno w,rain, fog or
heavy spr ay.
R The sensors are dirty, fogged up, damaged or
co vered.
R The sensors are af fected byinter fere nce from
ot her radar sources, e.g. strongradar reflec‐
tions in parking garage s. R
If a loss of tire pressure or a faulty tire has
been de tected and displa yed.
R Full sy stem per form ance is not available for a
fe w seconds af ter switching on the ignition or
af te r driving off.
The sy stem may not react cor rectly in thefo llow‐
ing situations:
R In complex traf fic situations, objects may not
al wa ys be clear lyde tected.
R Pedestrians or vehicles mo vequickly into the
de tection range of the sensors.
R Pedestrians are obscured by other objects.
R In bends with a nar rowradius. Setting
Active Brake Assi st Requ
irements:
R The ignition is switched on.
Multimedia sy stem:
4 © 5
Settings 5
Assistance
5 Active Brake Assist
The following settings are available:
R Early
R Medium
R Late
R Off 15 0
Driving and pa rking
Sy
stem limitations
The sy stem may be impaired or may not function
in thefo llowing ins tances:
R The radar sensors are af fected bysno w,rain,
fo g, heavy spr ay,gl are, direct sunlight or
greatly varying ambient light.
R The radar sensors may malfunction in parking
ga rage s or on roads with steep uphill or
downhill gradients.
R Ifth era dar sensors are dirty or co vered.
R On icy or slippery roads, braking or accelerat‐
ing can cause the drive wheels tolose trac‐
tion and theve hicle could then skid.
R Stationary objects are not de tected if these
we renot pr eviously de tected as moving.
R On bends, target vehicles may be lost or not
re cognized cor rectl y.As a result, a target
ve hicle is not used toregulate the speed
which may lead tounwa nted accele ration.
Do not use Active Dis tance Assi stDISTRONIC in
th ese situations. &
WARNING Risk of accident from acceler‐
ation or braking byActive Dis tance Assi st
DISTRONIC
Ac tive Dis tance Assi stDISTRONIC may accel‐
erate or brake in thefo llowing cases, for
ex ample:
R Ifth eve hicle pulls away using Active Dis‐
ta nce Assi stDISTRONIC.
R Ifth estored speed is called up and is con‐
siderably faster or slo werth an the cur‐
re ntly driven speed.
R IfAc tive Dis tance Assi stDISTRONIC no
longer de tects a vehicle in front or does
not react toreleva nt objects. #
Always carefully obser vethe traf fic con‐
ditions and be ready tobrake at all
times. #
Take into account the tra ffic situation
before calling up thestored speed. &
WARNING Risk of accident due toinsuf‐
fi cient deceleration byActive Dis tance
Assi stDISTRONIC
Ac tive Dis tance Assi stDISTRONIC brakes
yo ur vehicle with up to50% of the maximum
possible deceleration. If this deceleration is not suf
ficient, Active Dis tance Assi st
DISTRONIC alerts you with a visual and
acoustic warning. #
Inthese cases, adjust your speed and
ke ep a suf ficient dis tance. #
Brake theve hicle yourself and/or take
ev asive action. &
WARNING Risk of accident if de tection
function of Active Dis tance Assi st
DISTRONIC is impaired
Ac tive Dis tance Assi stDISTRONIC does not
re act or has a limited reaction:
R when driving on a dif fere nt lane or when
ch anging lanes
R topedestrians, animals, bicycles or sta‐
tionary vehicles, or unexpected obs tacles
R tocomplex traf fic conditions
R tooncoming vehicles and crossing traf fic
As a result, Active Dis tance Assi stDISTRONIC
may nei ther give warnings nor inter vene in
su ch situations. #
Always obser vethe tra ffic conditions
carefully and react according ly. Ac
tive Dis tance Assi stDISTRONIC may not de tect
nar row vehicles driving in front, e.g. mo torcyc les
and vehicles driving on a dif fere nt line.
Ope rating Active Di stance Assist DIST RONIC
Re quirements:
R The vehicle has been star ted.
R The parking brake has been released.
R ESP ®
is activated and is not inter vening.
R The transmission is in position 005B.
R The driver's and the front-passen ger door are
closed.
R The seat occupancy recognition on the driv‐
er's seat has de tected that the driver has fas‐
te ned the seat belt.
R The check of thera dar sensor sy stem has
been successfully comple ted. Driving and parking
15 3
Deactivating the HOLD function
The HOLD function is deactivated in
thefo llowing
situations: #
Vehicles with automatic transmission:
depress the accelerator pedal when the auto‐
matic transmission is in position 005Bor005E. #
Depress the brake pedal again with suf ficient
pressure until the00D9 display in the multi‐
function display goes out. #
Activate Active Dis tance Assi stDISTRONIC.
% Ve
hicles with automatic transmission: the
automatic transmission of your vehicle shifts
to 005D afte r some time. This relie vesth e load
on the service brake.
When the HOLD function is activated, the auto‐
matic transmission automatically shifts to005D in
th efo llowing situations:
R The driver lea vesth e driver's seat.
R The driver's door is opened.
R The engine is switched off without the ECO
st art/ stop function. Pa
rking Assist PARKTRONIC Fu
nction of Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC is an electronic park‐
ing assis tance sy stem with ultrasound. It moni‐
to rs the area around your vehicle using six sen‐
sors on the front bumper and six sensors on the
re ar bumper. Parking Assist PARKTRONIC indi‐
cates visually and audibly the dis tance between
yo ur vehicle and an object.
Pa rking Assist PARKTRONIC is on lyan aid. It is
not a substitute foryo ur attention tothe sur‐
ro undings. The responsibility for safe maneu ver‐
ing and parking remains with you. Make sure that
th ere are no persons, animals or objects in the
maneuvering area while maneuvering and parking
in/exiting parking spaces.
In thest andard setting, an intermit tent wa rning
to ne sounds from a di stance of appr oximately
1. 3 ft (0.4 m) toan obs tacle. A continuous tone
sounds from a di stance of appr oximately 1.0 ft
(0.3 m). You can set thewa rning tone in the mul‐
timedia sy stem so that it will sound earlier at a
grea ter dis tance of appr oximately 3.3 ft(1 m)
(/ page 156).
Pa rking Assist PARKTRONIC displ ayinthe
mu ltimedia sy stem
If th ePa rking Assist PARKTRONIC display in the
multimedia sy stem is not active and an obs tacle is de
tected in the path of theve hicle, a pop-up
window forPa rking Assist PARKTRONIC appears
in the multimedia sy stem at speeds up toappr ox‐
imately 6 mph (10 km/h).
Sy stem limitations
Pa rking Assist PARKTRONIC does not necessarily
ta ke into account thefo llowing obs tacles:
R Obs tacles bel ow the detection range, e.g. per‐
sons, animals or objects.
R Obs tacles ab ovethe de tection range, e.g.
ove rhanging loads, overhangs or loading
ra mp s of truc ks.
The sensors must be free of dirt, ice and slush.
Otherwise, they may not function cor rectl y.Clean
th e sensors regular ly,ta king care not toscratch
or damage them.
Ve hicles with trailer hitch: Parking Assist
PA RKTRONIC is deactivated forth ere ar zone
when you es tablish an electrical connection
between your vehicle and a trailer.
Deactivating/activating Parking Assist
PA RKTRONIC
* NO
TERisk of an accident from objects at
close range Pa
rking Assist PARKTRONIC may not de tect
cer tain objects at close range. #
When pa rking or maneuvering theve hi‐
cle, pay particular attention toany
objects which are abo veor below the
sensors, e.g. flowe r pots or dr awbars.
The vehicle or other objects could oth‐
erwise be damaged. Multimedia sy
stem:
4 © 5
Settings 5
Quick Access #
Select PARKTRONIC On .
The function is activated or deactivated
depending on the pr evious setting.
% Pa
rking Assist PARKTRONIC is automatical ly
activated when starting theve hicle.
Setting thewa rning tones of Parking Assist
PA RKTRONIC
Multimedia sy stem:
4 Settings 5
Assistance
5 Camera & Parking 5
Set Warning Tones
Ad justing the volume of thewa rning tones #
Select Warning Tone Volume. 15 6
Driving and pa rking
lamp in
the outside mir rorflashes. If the turn sig‐
nal indicator remains switched on, all other
de tected vehicles are indicated only bytheflash‐
ing of there dwa rning lamp.
If yo uove rtake a vehicle quickl y,no warning is
given.
Exit warning
The exitwa rning is an additional function of Blind
Spot Assist and warnsve hicle occupants when
leaving theve hicle about any approaching vehi‐
cles. &
WARNING Risk of accident despite exit
wa rning
The exitwa rning reacts nei ther tostationary
objects nor tovehicles approaching you at a
great lydif fere nt speed.
As a result, theex itwa rning cannot warndriv‐
ers in these situations. #
Always pay particular attention tothe
traf fic situation when opening the doors
and make sure there is suf ficient clear‐
ance. %
An
exitwa rning is not issued for sliding doors
and rear-end doors.
Overview When theve hicle is
st ationar y,an object
is de tected from
behind in the monitor‐
ing range. Display in outside mir‐
ror
When theve hicle is
st ationar y,a door on
th ere leva nt side of
th eve hicle is opened.
An object which is
close to yourvehicle
is de tected in the
monitoring range. Vi
sual and audible
wa rning %
This additional function is only
available when
Blind Spot Assist is activated and up to a
maximum of thre e minutes af terth e drive
sy stem has been switched off. The end of the
av ailability of theex itwa rning function is indi‐
cated bya series of flashes in the outside
mir ror.
The exitwa rning function is only an aid and is no
substitute forth e attentiveness of theve hicle
occupants. Responsibility alw ays lies with the ve
hicle occupants when opening doors and leav‐
ing theve hicle.
Sy stem limits
Blind Spot Assist and theex itwa rning function
may be limited in thefo llowing situations:
R Ifth ere is dirt on the sensors or the sensors
are obscured
R Ifth ere is poor visibility, e.g. due tofog, heavy
ra in, snow or spr ay
R If nar row vehicles are within the monitoring
ra nge, e.g. bicycles
R Onvery wide lanes
R Ifve hicles are not driving in the middle of
th eir lane
% St
ationary or slowly moving objects are not
displa yed.
Wa rnings may be issued in er ror when driving
close tocrash ba rriers or similar solid lane bor‐
ders. Warnings may be inter rupte d when driving
alongside long vehicles, forex ample truc ks,fo r a
prolonged time.
Blind Spot Assist is not operational when reve rse
ge ar is engaged.
The exitwa rning function may be limited in the
fo llowing situations:
R When the sensor is bloc kedby adjacent vehi‐
cles in nar rowparking spaces
R When people are approaching
Ac tivating/deactivating Blind Spot Assi st
Multimedia sy stem:
4 © 5
Settings 5
Assistance #
Activate or deacti vate Blind Spot Assist . Drive
Away Assist Fu
nction of Drive Away Assist
% Drive
Away Assistis only available forve hi‐
cles with automatic transmission.
Drive Away Assistcan reduce the se verity of an
impact when pulling away. If an obs tacle is de tec‐
te d in the direction of tra vel,th eve hicle's speed
is brief lyreduced toappr oximately 1 mph
(2 km/h). If a critical situation is de tected, a sym‐
bol appea rson the camera image of the multime‐
dia sy stem. Driving and parking
16 5
&
WARNING Risk of accident caused by
limited de tection per form ance of Drive
Aw ayAssi st
Drive AwayAssi stcannot al ways clea rly iden‐
tify objects and traf fic situations.
In such cases, Drive AwayAssi stmight:
R Warnyou without reason and limit the
ve hicle speed.
R Not warnyou or not limit theve hicle
speed. #
Always pay careful attention tothe traf‐
fi c situation; do not relyon Drive Away
Assi stalone. #
Be prepared tobrake or swer veas nec‐
essar y,prov ided the tra ffic situation
permits and that it is safe totake eva‐
sive action. Drive
Away Assistis only an aid. It is not a substi‐
tute foryo ur attention tothe sur roundings. Yo u
are alw aysre sponsible for safe maneu vering,
pa rking and exiting a parking space. Make sure
th at no persons, animals or objects etc. are in the
path of your vehicle.
A risk of a collision may arise in thefo llowing sit‐
uations, forex ample:
R Ifth e driver mixes up the accelerator and
brake pedals.
R Ifth e wrong gear is selec ted.
The Drive AwayAssi stfunction is active under the
fo llowing conditions:
R IfPa rking Assist PARKTRONIC is activated.
R Every time thege ar is changed to005E or005B
when theve hicle is at a standstill.
R Ifth e de tected obs tacle is less than appr ox‐
imately 3.3 ft(1.0 m) away.
R Ifth e maneuvering assis tance function is acti‐
va ted in the multimedia sy stem.
Sy stem limits
Drive AwayAssi stis una vailable on inclines and
when driving with a trailer. Re
ar Cross Traf fic Alert Fu
nction of Rear Cross Traf fic Alert
The radar sensors in the bumper are used forthe
sy stem. This wayth e area adjacent totheve hicle
is continually monitored. If thera dar sensors are obscured
byvehicles or other objects, de tection
is not possible.
% Also
read the no tes on Blind Spot Assist
(/ page 164).
Ve hicles with Blind Spot Assis t:drivers can
also be warned of any crossing tra ffic when back‐
ing up out of a parking space. If a vehicle is
de tected, thewa rning lamp in the outside mir ror
on the cor responding side lights up red. If it
de tects a critical situation, a warning tone also
sounds.
Ve hicles with Blind Spot Assist and Parking
Assist PARKTRONIC: drivers can also be warned
of any crossing tra ffic when backing up out of a
parking space. If a critical situation is de tected, a
wa rning symbol appears on the camera image of
th e multimedia sy stem. If the driver does not
re spond tothewa rning, theve hicle's brakes can
be applied automatically. In this case, a warning
to ne sounds.
The Rear Cross Traf fic Alert function is acti ve
under thefo llowing conditions:
R Blind Spot Assist is activated.
R Reversege ar is engaged or theve hicle is
backing up at walking pace.
R Ifth e maneuvering assis tance function is acti‐
va ted in the multimedia sy stem.
The Rear Cross Traf fic Alert function is una vaila‐
ble when driving with a trailer. Lane
Keeping Assist and Active Lane Keeping
Assist Fu
nctions of Lane Keeping Assist Lane
Keeping Assist monitors the area in front of
yo ur vehicle with multifunction camera 1. It16 6
Driving and pa rking
Obser
vethefo llowing no tes: Note
s on cleaning and car ePreve nting damage totheve hicle
Wheels/rims Usewate r and acid-free wheel cleaner. R
Do not use acidic wheel cleaners to
re mo vebrake dust. Otherwise, wheel
bolts and brake components may be
damaged.
R Toavo id cor rosion of brake discs and
brakepads, drive for a few minutes
af te r cleaning before parking the
ve hicle. The brake discs and brake‐
pads warm up and dry out.
Wi ndo ws
Clean wind owsinside and outside with a
damp clo thand with a cleaning agent
re commended for Mercedes-Benz . Do not use dry clo
ths or abrasive or sol‐
ve nt-based cleaning agents toclean the
inside of windo ws.
Wi per blades
Carefully clean thefo lded-a way wiper
blades with a damp clo th.Do not clean
the wiper blades too of ten.
Ex terior
lighting Clean
the lenses with a wet sponge and
mild cleaning agent, e.g. car sha mpoo. Only use cleaning agents or clo
ths suita‐
ble for plast ic lenses.
Sensors Cleanthe sensors in the front and rear
bumper and in thera diator grill with a
soft clo thand car shampoo. When using a po
werwa sher, keep a min‐
imum dis tance of 11.8 in (30 cm).
Re ar view
camera and
360° Cam‐
era Use clean
water and a soft clo thtoclean
th e camera lens. Do not use a po
werwa sher.
Tr ailer hitch
R
Remo vetraces of rust on the ball,
e.g. with a wire brush.
R Remo vedirt with a lint-free clo th.
R After cleaning, lightly oil or grease
th e ball head.
R Obser vethe no tes on care in the
trailer hitch manufactu rer's operat‐
ing instructions. Do not clean
the ball neck with a po wer
wa sher or sol vent.
Sliding door R
Remo vefore ign objects from the
vicinity of the contact plates and
contact pins of the sliding door.
R Clean the contact plates and contact
pins with a mild cleaning agent and a
soft clo th. Do not oil or grease
the contact plates
and the contact pins. Maintenance and care
289