only possible on mo
torw ay sections without
speed limits.
If th e sy stem is impaired, Active Lane Change
Assi stmay be cancelled. If it is cancelled, the
Lane change cancelled message appears inthe
multifunction display and a warning tone sounds. &
WARNING Risk of accident from chang‐
ing lane toan occupied adjacent lane
Lane Chan geAssi stcannot al ways detect
clear lyifth e adjacent lane is free.
The lane change might be initiated although
th e adjacent lane is not free. #
Before changing lanes, make sure that
th e neighbouring lane is free and there
is no danger to otherroad users. #
Monitor the lane change. &
WARNING Risk of accident if Lane
Change Assi stunexpectedly stops func‐
tioning
If th e sy stem limitations for Lane Change
Assist ha vebeen reached, there is no guar‐
antee that the sy stem will remain active.
Lane Change Assist cannot then assist you
by applying steering torques. #
Alw ays monitor the lane change and
ke ep your hands on thesteering wheel.
Obser vethe tra ffic conditions and steer
and/or brake if necessar y. Sy
stem limitations
The sy stem limitations of Active Steering Assist
apply toActive Lane Change Assi st
( → page 239).
The sy stem may also be impaired or may not
function in thefo llowing situations:
R The sensors in there ar bumper are dirty,
damaged or co vered, for ins tance by a
st icke r or ice and sno w.
R The exterior lighting sho wsa malfunction. Ac
tivating/deactivating Active Lane Change
Assi st
Multimedia sy stem:
, © .
Settings .
Assistance .
Act.
lane chan. assist #
Activate or deacti vate the function.
Fu nction of Active Eme rgency Stop Assist
If th e driver continues toigno rethewa rning to
put their hands on thesteering wheel, Active
Dis tance Assi stDISTRONIC reduces the speed.
If th e driver still does not respond, theBegin-
ning emergency stop message is shown inthe
multifunction displa y.The vehicle is decelerated
in stages toast andstill. Atspeeds below
60 km/h the hazard warning lights switch on
automaticall y.
When theve hicle is stationar y,thefo llowing
actions are car ried out:
R theve hicle is secured with the electric park‐
ing brake
R Active Dis tance Assi stDISTRONIC is ended
R theve hicle is unloc ked 242
Driving and pa rking
R
if possible, an emer gency call is placed to
th e Mercedes-Benz emer gency call centre
The driver can cancel the deceleration at any
time byper form ing one of thefo llowing actions:
R steering
R depressing the brake or accelera tor pedal
R pressing a steering wheel button or operating
To uch Control
R activating or deactivating Active Dis tance
Assi stDISTRONIC Ac
tive Traf fic Jam Assist Ac
tive Traf fic Jam Assi stis countr y-dependent
and only available forve hicles with the Driving
Assis tance Package Plus and factory navigation.
Ac tive Traf fic Jam Assi sthelps you when in traf‐
fi c jams on multi-lane roads with stru cturally
separated car riag ew aysby automatically pulling
aw ay and with mode rate steering manoeuvres. It
orients itself using theve hicle in front and lane
markings. Active Traf fic Jam Assi stautomatically
main tains a safe dis tance from theve hicle in
front and vehicles cutting in. Ac
tive Traf fic Jam Assi strequ ires you, as the
driver, tokeep your hands on thesteering wheel
at all times so that you are able tointer vene at
any time tocor rect the course of theve hicle and
ke ep it in lane.
Ac tive Traf fic Jam Assi stis only an aid. The driver
is responsible forke eping a safe dis tance tothe
ve hicle in front, forve hicle speed and for braking
in good time.
Ac tive Traf fic Jam Assi stactivates automatically
when all of thefo llowing conditions are me t:
R You are in a traf fic jam on a mo torw ay or
high-speed major road.
R Active Dis tance Assi stDISTRONIC is acti va‐
te d (→ page 235).
R Active Brake Assi stisavailable (→ page 221).
R Active Steering Assist is activated
(→ page 241).
R You are tra velling no fasterthan 60 km/h. The
following symbol is displa yed in the instru‐
ment clus ter when the sy stem is active: Sy
stem limitations
The sy stem limitations of Active Dis tance Assi st
DISTRONIC and Active Steering Assist apply to
Ac tive Traf fic Jam Assi st (→page 239). Overview of
Active Di stance Assist
DISTRO NIC displa ysinthe instrument clus‐
ter The assis
tance graphic and thest atus display
show thest atus of thefo llowing functions in the
instrument clus ter:
R Active Dis tance Assi stDISTRONIC
R Route-based speed adap tation
R Active Steering Assist Driving and parking
243
we
ll as alterations in thestored speed and the
dis tance tobe maintained, are displa yed in the
individual control feedback of the multifunction
displa y.
Ac tive Steering Assist status display 1
Grey steering wheel: Active Steering Assist
switched on and passive
2 Green steering wheel: Active Steering Assist
switched on and active
3 White steering wheel with red hands: transi‐
tion from active topassive status (sy stem
limitation de tected or prom pttothe driver to
actively con firm) Hill
Start Assist Hill
Start Assist holds theve hicle for a short
time when pulling away on a hill under thefo l‐
lowing conditions:
R The transmission is in position hork.
R The elect ric pa rking brake is released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelera tor pedal
and depress it before theve hicle begins toroll
aw ay. &
WARNING Risk of accident and inju ry
due totheve hicle rolling away
Af ter a short time, Hill Start Assist no lon ger
holds theve hicle and it can rollaw ay. #
Therefore, swiftly mo veyour foot from
th e brake pedal tothe accelerator
pedal. Ne ver attem pttolea vetheve hi‐
cle if it is being held byHill Start Assist. HOLD function
HOLD function
The HOLD function holds
theve hicle at a stand‐
st ill without requ iring youto depress the brake
pedal, e.g. while waiting in traf fic.
Sy stem limitations
The HOLD function is only intended toprov ide
assis tance when driving and is not a su fficient
means of safeguarding theve hicle against rolling
aw ay when stationar y.
R The incline must not be greater than 30%.
Ac tivating/deactivating the HOLD function &
WARNING Risk of an accident due tothe
HOLD function being activated when you
lea vetheve hicle
If yo u lea vetheve hicle while only the HOLD
function is braking theve hicle, theve hicle
can rollaw ay inthefo llowing situations:
R Ifth ere is a malfunction in the sy stem or
in the po wer supply. Driving and parking
245
R
Ifth e HOLD function is deactivated by
depressing the accelera tor pedal or brake
pedal, e.g. byave hicle occupant. #
Alw ays deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle. *
NO
TEDama gefrom auto matic braking If one of
thefo llowing functions is switched
on, theve hicle brakes automatically in cer‐
ta in situations:
R Active Brake Assi st
R Active Dis tance Assi stDISTRONIC
R HOLD function
R Active Parking Assist
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
During towing #
In a car wash Re
quirements:
R The vehicle is stationar y.
R The driver's door is closed or the seat belt on
th e driver's side is fastened.
R The engine is running or has been au tomati‐
cally switched off bythe ECO start/ stop
function.
R The electric parking brake is released.
R Active Dis tance Assi stDISTRONIC is deacti‐
va ted.
R The transmission is in position h,kori.
Ac tivating the HOLD function #
Dep ress the brake pedal and af ter a short
time quickly depress fur ther until theë
display appears in the multifunction displa y. #
Release the brake pedal.
Deactivating the HOLD function #
Depress the accelerator pedal topull away.
or #
Depress the brake pedal until theë dis‐
play disappears from the multifunction dis‐
pla y. The HOLD function is deactivated in
thefo llow‐
ing situations:
R Active Dis tance Assi stDISTRONIC is acti va‐
te d.
R The transmission is switched toposition j.
R The vehicle is secured with the electric park‐
ing brake.
In thefo llowing situations, theve hicle is held by
th e transmission position jorby the electric
parking brake:
R The seat belt is unfas tened and the driver's
door is opened.
R The drive sy stem is switched off.
R There is a malfunction in the sy stem or the
po we r supp lyis insuf ficient. St
art-off assi st Fu
nction of thest art-off assi st
The start-off assist enables optimal vehicle
acceleration from a standstill. Forth is, a suitably
high-grip road sur face is requ ired, the tyres and
ve hicle must also be in good condition. 246
Driving and pa rking
Do not acti
vate thest art-off assist on public
ro ads.
Be sure toobser vethe saf ety no tes and informa‐
tion on ESP ®
.
Ac tivating the start-off assi st &
WARNING Risk of skidding and having
an accident from wheels spinning
When you use start-off assist, individual
wheels could spin and you could lose cont rol
of theve hicle.
If ESP ®
is deactivated, there is a risk of skid‐
ding and accident! #
Make sure that no persons or obstacles
are in the close vicinity of your vehicle. #
Deactivating ESP ®
(→ page 220). #
Movethesteering wheel tothest ra ight-
ahead position. #
Depress the brake pedal firm ly wi thyour left
fo ot and keep it depressed. #
Enga getheh drive position (→ page194). #
Select the sportiest available drive program
B orC(→ page191). #
Rapidly depress the accelerator pedal full y. #
Take your foot off the brake, but keep the
accelerator pedal depressed.
The vehicle pulls away at maximum accelera‐
tion. #
Swit chon ESP ®
once the acceleration proce‐
dure is comple te. ESP ®
will otherwise not be
able tostabilise theve hicle if theve hicle
st arts toskid or a wheel starts tospin.
Cancelling thest art-off assi st #
Remo veyour foot from the accelerator pedal. #
Reactivate the ESP ®
. DY
NA MIC BODY CONT ROL function DY
NA MIC BODY CONTROL continuously adjusts
th ech aracteristics of the suspension dampers to
th e cur rent operating and driving conditions.
The da mping is tuned individually for each wheel
and is af fected bythefo llowing factors:
R The road sur face conditions R
Vehicle load
R The drive program selected
R The driving style
The drive program can be adjus ted using the
DY NA MIC SELECT switch. AIRMATIC
AIR
BODY CONT ROL function
AIR BODY CONTROL is an air suspension sy stem
with variable damping for impr oved driving com‐
fo rt and impr oved driving dynamics. The all-
ro und le vel control sy stem ensures the best pos‐
sible suspension and const antground clea rance,
ev en with a laden vehicle. When driving at
speed, theve hicle is lo wered automatically to
impr ovedriving saf ety and toreduce fuel con‐
sum ption. You also ha vethe option of manually
adjusting theve hicle le vel.
AIR BODY CONTROL comprises:
R Adaptive Damping Sy stem with variable
damping forc e adjustment
R Speed-dependent lo wering Driving and pa
rking 247
RO
AD SUR FACE SCAN:
R Monitors thero ad in front of theve hicle
using multifunction camera 1.
R Is active when one of drive programs A
(Comfort) or N(CURVE) is selected.
R Detects une venness in thero ad sur face, e.g.
bu mp s, before theve hicle drives overth em.
R Reduces chassis mo vements. Sy
stem limitations
RO AD SUR FACE SCAN can be impaired in the
fo llowing situations or can stop functioning:
R Ifth e car riag ewa y is insuf ficiently lit, e.g. at
night.
R In sno w,rain, fog, heavy spr ay, if there is
gl are, in direct sunlight or in great lyvarying
light conditions.
R Ifth e windscreen in the area of multifunction
camera 1is dirty, mis ted up, damaged or
co vered.
R Ifth ero ad sur face has no optic stru cture or
re flects light.
R Ifth e dis tance totheve hicle in front is too
short.
R If sections of thero ute ha veave ry small
ra dius of cur vature.
R During dynamic driving manoeuv res, e.g. if
yo u accelerate or brake theve hicle sharply.
R Atspeeds below 7 km/h or abo ve
18 0 km/h.
R Ifth eve hicle is at a raised le vel or in drive
program C(Sport) or B(Sport Plus). Obser
vethe no tes on cleaning the multifunction
camera (→ page 499).
Fr ee driving mode &
WARNING Risk of inju rydue totheve hi‐
cle moving up and down
When free driving mode is activated, the
ve hicle bounces up and down. Body parts
could become trapped if they are between
th eve hicle body and the tyres or underneath
th eve hicle. #
Make sure that nobody is under or in
th e immediate vicinity of theve hicle
when free driving mode is activated. *
NO
TERisk of dama gedue totheve hicle
moving up and down When free driving mode is activated,
the
ve hicle bounces up and down. Vehicle parts
may be damaged if the underbody bottoms
out. 258
Driving and parking
Setting Off-road Assist
Re
quirements:
R theve hicle is stationary
R theve hicle is set tooff-road le vel 1 or 2
R the Off-road or Off-road Plus (only vehicles
with Off-road pac kage ) drive program has
been selected
R all doors and the bonn etare closed
R the parking brake is released
R there is no trailer coupled
R theve hicle is outdoors
R the de tected la tera l inclination of theve hicle
must not exceed appr ox. 8°
R the sy stem is within its operating temp era‐
ture
R the on-board voltage is suf ficiently high Multimedia sy
stem:
, © .
Settings .
Assistance .
Off-
road Assist
Fr ee driving mode
Fr ee driving mode assists the driver when pulling
aw ay on rough terrain, such as sand or sn ow. #
Select Free driving mode. #
Select Start.
Fr ee driving mode is activated. #
Select Stoptostop free driving mode.
Fr ee driving mode is automatically deactivated in
th efo llowing situations:
R theve hicle exceeds a dis tance of 5 m from
th e point at which free driving mode was
activated
R afte r a running time of 30 seconds
R it is de tected that an object has hit the
underbody of theve hicle hard
R not all conditions are met
% Further information on free driving mode
(→ page 258). Individual wheel control
Individual wheel contro
l enablestheve hicle le vel
to be set separately for each wheel. #
Select Individual wheel control. #
Set theve hicle le velfo rth e desired wheel.
% You can also use theto uch displ aytoset the
le ve lfo r two or more wheels at the same
time. #
Select Resettoset all wheels tothe default
setting.
Individual wheel control is automatically deacti‐
va ted in thefo llowing situations:
R you are tra velling fasterthan 5 km/h
R not all conditions are met
% Further information on individual wheel con‐
trol (→ page 259). Pa
rking Assist PARKTRONIC Fu
nction of Parking Assist PARKTRONIC
Pa rking Assist PARKTRONIC is an electronic
parking assi stance sy stem with ultrasound. It 262
Driving and parking
#
Engage reve rsege ar k.
The camera image is displa yed in the multi‐
media sy stem. #
Adjusting the articulation angle
(→ page 267).
or #
Activating thest ra ightening manoeuvre
(→ page 267). #
Accelerate and brake as requ ired.
% Pay attention toyour sur roundings and be
re ady tobrake at all times.
Ad justing Trailer Manoeuvring Assist (multi‐
media sy stem)
Re quirements:
R The ignition and engine are on and theve hi‐
cle is operational.
R The zero point of the car/t railer combination
has been taught-in bybrief lydriving forw ards
(→ page 265).
R Trailer Manoeuv ring Assi sthas been star ted
( → page 266).
R The vehicle is stationar y. R
The gradient is less than appr oximately 15%.
Ad justing the articulation angle of the trailer #
Select .
The articulation angle can be changed on the
media display or on theto uchpad. #
Swipe left or right tochange the articulation
angle.
% The maximum articulation angle depends on
the length of the trailer. This is calculated by
th e sy stem bydriving theve hicle forw ards,
including cornering. Before the length of the
trailer has been calculated, the maximum
articulation angle is appr oximately 23°. The
longer the trailer is, the higher the maximum
articulation angle (max. appr oximately 60°). #
Set the desired articulation angle.
When the articulation angle entered has been
re ached, the dr awbar is bloc kedby the sy stem
so that the angle is maintained. Ac
tivating the stra ightening manoeuvre #
Select .
The sy stem calculates the articulation angle
in such a wayth at the direction of the trailer
at the time of activation is maintained. There
is a short counter steering mo vement of the
trailer while theve hicle is reve rsed, which
th en guides it back tothe desired line. In this
wa y,theve hicle is aligned stra ight with the
trailer and at the same time the direction of
th e trailer is maintained.
Ad justing the warning tones of Parking
Assist PARKTRONIC
Multimedia sy stem:
, © .
Settings .
Assis-
tance .
Camera & parking .
Set warning
tone
Ad justing the volume of thewa rning tones #
Select Warning tone volume. #
Set a value. Driving and parking
267