%
It is
recommended that Active Brake Assi stis
alw ays left activated. #
Select a setting.
The last active setting is selected automatically
eve rytime the engine is star ted.
Exception: if the last setting wasOff, theMedium
setting will be automatically activated the next
time the engine is star ted.
Deactivating Active Brake Assi st
% It is
recommended that Active Brake Assi stis
alw ays left activated. #
Select Off.
The dis tance warning function and autono‐
mous braking function are deactivated.
The next time the engine is star ted, theMedium
setting will be automatically activated.
% When
Active Brake Assi stis deactivated, the
00D4 symbol appears inthest atus area of
th e multifunction displa y.Cruise control
Fu
nction of cruise control
Cruise cont rol accelerates and brakes theve hicle
automatically in order tomaintain a pr eviously
st ored speed.
If yo u accelerate toove rtake, forex ample, the
st ored speed is not dele ted. If youre mo veyour
fo ot from the accelerator pedal af terove rtaking,
cruise control will resume speed regulation back
to thestored speed.
Cruise contro l is operated using the cor respond‐
ing steering wheel buttons. You can store any
ro ad speed abo ve15 mp h (20 km/h).
If yo ufa ilto adapt your driving style, cruise con‐
trol can neither reduce therisk of an accident nor
ove rride the la wsof ph ysics. It cannot take into
account road, weather or traf fic conditions.
Cruise control is only an aid. You are responsible
fo rth e dis tance totheve hicle in front, forve hicle
speed, braking in good time and forst ay ing in
yo ur lane.
Displa ysinthe multifunction display
The status of cruise control and thestored speed
are shown in the multifunction displa y. Displ
ayinthe Instrument Display (color display)
1 Cruise cont rol is selec ted
2 Set speed gr ay: speed is stored, cruise con‐
trol is deactivated
3 Set speed green: speed is stored, cruise con‐
trol is activated
Sy stem limitations
Cruise control may be unable tomaintain the
st ored speed on uphill gradients. The stored
speed is resumed when the gradient evens out.
On long and steep downhill gradients, you should
ch ange down toa lo werge ar in good time. Take
particular no teofthis when driving a laden vehi‐
cle. By doing so, you will make use of the
engine's braking ef fect. This relie vesth e load on
th e brake sy stem and pr events the brakes from
ove rheating and wearing tooqu ickl y.
Do not use cruise control in thefo llowing situa‐
tions:
R In traf fic situations whe refrequent speed
ch anges are requ ired, e.g. in heavy traf fic or
on winding roads.
R On slippe ryroads. Accele rating can cause the
drive wheels tolose traction and theve hicle
could then skid.
R Ifyo u are driving when visibility is poor.
Operating cruise cont rol &
WARNING Risk of accident due tostored
speed
If yo u call up thestored speed and this is
lo we rth an your cur rent speed, theve hicle
decelerates. #
Take into account the tra ffic situation
before calling up thestored speed. Re
quirements:
R ESP ®
is activated, but may not inter vene.
R The driving speed is at least 15mph
(20 km/h). Driving and parking
151
#
Toactivate cruise control: pushrock er
switch 1up. #
Remo veyour foot from the accelerator pedal.
The cur rent speed is then sa ved and main‐
ta ined bytheve hicle. #
Push rocker switch 1up. #
Toincrease/reduce speed: pushrock er
switch 2up or down.
The stored speed is increased or reduced by
1 mp h (1 km/h).
or #
Press rocker switch 2up or down and hold.
The stored speed is increased or reduced in
1 mp h (1 km/h) increments.
or #
Push rocker switch 2beyond the pressure
point.
The stored speed is increased or reduced by
5 mp h (10 km/h).
or #
Push rocker switch 2beyond the pressure
point and hold.
The stored speed is increased or reduced in
5 mp h (10 km/h) increments.
or #
Accele rate theve hicle tothe desired speed. #
Push rocker switch 2up.
If cruise cont rol is activated and Traf fic Sign
Assi sthas de tected a speed restriction sign wi th
a maximum permissible speed and this appears
in the instrument display: #
Toadopt the de tected speed: pushrocker
switch 3up.
The maximum permissible speed shown by
th e traf fic sign is stored and theve hicle main‐
ta ins this speed. #
Todeactivate cruise control: pushrock er
switch 3(CNCL) down.
If cruise cont rol is deactivated, it can be reactiva‐
te d as follo ws:
R rock er switch 2(SET+) or (SET-) stores the
cur rent speed and theve hicle maintains this
speed
R rock er switch 3(RES) calls up the last speed
st ored and theve hicle maintains this speed
% Ifyo u brake, deactivate ESP ®
or if ESP ®
inter‐
ve nes, cruise control is deacti vated.
When you swit choff theve hicle, the last
speed stored is cleared. Ac
tive Di stance Assist DISTRO NIC Fu
nction of Active Di stance Assist DISTRO NIC
Ac tive Dis tance Assi stDISTRONIC maintains the
set speed on free-flowing roads. If vehicles ahead
are de tected, the set dis tance is maintained, if
necessa ryuntil theve hicle comes toa halt. The
ve hicle accelerates or brakes depending on the
dis tance totheve hicle in front and the set speed.
Speed and dis tance are set and stored on the
st eering wheel. The speed can be set in thera nge
between 15mp h (20 km/h) and 99 mph
(160 km/h) or between 15mp h (20 km/h) and
th eve hicle's maximum speed.
Other features of Active Dis tance Assi st
DISTRONIC:
R Depending on the preselected dis tance,
DISTRONIC inter venes ei ther dynamically
(short dis tance) or tosave fuel (long dis‐
ta nce).
R Depending on theve hicle mass de tected, the
dynamics of the DISTRONIC inter vention are
re duced.
R Rapid acceleration tothestored speed is initi‐
ated if the turn signal indicator is switched on
to change totheov ertak ing lane.
Ac tive Dis tance Assi stDISTRONIC is only an aid.
The driver is responsible forth e dis tancetothe
ve hicle in front, forve hicle speed and for braking
in good time. 15 2
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
Information on Hill
Start Assist Hill
Start Assist holds theve hicle for a short time
when pulling away on a hill under thefo llowing
conditions:
R Vehicles with automatic transmission: the
transmission is in position 005Bor005E.
R The pa rking brake has been released.
This gives you enough time tomo veyour foot
from the brake pedal tothe accelerator pedal and
depress it before theve hicle begins toroll. &
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
Re quirements:
R The seat occupancy recognition on the driv‐
er's seat has de tected that the driver has fas‐
te ned the seat belt.
The HOLD function holds theve hicle at a stand‐
st ill without requ iring youto depress the brake
pedal, e.g. when pulling away on steep slopes or
when waiting in traf fic. When you depress the
accelerator pedal topull away,th e braking ef fect
is canceled and the HOLD function is deactiva‐
te d.
The HOLD function is only an aid. The responsibil‐
ity forth eve hicle safely standing still remains
with the driver.
Sy stem limits
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
Requ irements: R
The vehicle is stationar y.
R The engine is running or it has been au tomati‐
cally switched off bythe ECO start/ stop func‐
tion.
R The driver is seated and belted.
R The electric parking brake is released.
R Vehicles with automatic transmission: the
selector le ver is in position 005B,005Eor005C.
R Active Dis tance Assi stDISTRONIC is deacti va‐
te d.
Ac tivating 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 supp ly.
R Ifth e HOLD function is deactivated by
depressing the accelera tor pedal or brake
pedal, e.g. byave hicle occupant. #
Always deactivate the HOLD function
and secure theve hicle against rolling
aw ay before leaving theve hicle. *
NO
TEDama gefrom auto matic braking When
Active Brake Assi st,Ac tive Dis tance
Assi stDISTRONIC or the HOLD function are
activated, theve hicle brakes autonomously in
cer tain situations.
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
During towing #
In a car wash #
Make sure that the activation conditions are
met. #
Depress the brake pedal until the00D9 dis‐
play appears in the multifunction displa y.
The HOLD function is activated. You can
re lease the brake pedal.
% If depressing
the brake pedal thefirs t time
does not acti vate the HOLD function, wait
brief lyand then try again. Driving and parking
15 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
Ac
tivating/deactivating ADR #
Toactivate: whilethe engine is running,
press switch 1.
The Working Speed Governor Active message
appears in the multifunction displa y.#
Todeactivate: whilethe engine is running,
press switch 2.
ADR goes out au tomatical lyin thefo llowing situa‐
tions:
R Youre lease the parking brake.
R You depress the brake pedal.
R The vehicle mo ves.
R The contro l unit detects a malfunction.
Ad justing ADR #
Engage po werta ke -off or acti vate ADR. #
Toincrease: press switch 1. #
Toreduce: press switch 2. Tr
ailer operation Note
s on trailer operation &
WARNING Risk of accident‑ and injury if
th e load is exceeded
If yo uexc eed the permitted load when using
th era ck ,th era ck system may disconnect
from theve hicle and endanger other road
users. #
Always comply with the permitted load
when using thera ck. &
WARNING Swerving of theve hicle/
trailer combination due toinc reased
speed
If th eve hicle/trailer combination swer ves,
yo u can lose control of it.
The vehicle/trailer combination can even tip
ove r. #
Under no ci rcums tances should you try
to inc rease the speed tostra ighten the
ve hicle/trailer combination. #
Reduce speed and do not counter-s teer. #
If necessar y,apply the brakes. &
WARNING Risk of accident due tothe
brake sy stem overheating
If yo u lea veyour foot on the brake pedal
when driving, the brake sy stem may overheat.
This increases the braking dis tance and the
brake sy stem may evenfa il. #
Never use the brake pedal as a foot re st. #
Do not depress the brake pedal and the
accelerator pedal at the same time
while driving. &
WARNING Danger of accident due to
unsuitable ball coupling
If yo u ins tall an unsuitable ball coupling, over‐
loading of the trailer hitch and rear axle will
be there sult. This is particularly the case if
th e ball coupling is relatively long or angled
dif fere ntl y.
The handling characteristics may be heavily
impaired and the trailer can become
de tach ed. There is a risk of fata l injur y. #
Only ins tall a ball coupling that meets
th e permitted dimensions and has been Driving and parking
16 9
Yo
ur vehicle will beha vediffere ntly wi tha trailer
re lative towithout a trailer:
R The vehicle/trailer combination will be heav‐
ier.
R The vehicle/trailer combination will be
re stricted in its acceleration and climbing
ability.
R The vehicle/trailer combination will ha vean
inc reased braking dis tance.
R The vehicle/trailer combination will be more
susceptible tocrosswind gu sts.
R The vehicle/trailer combination will requ ire
more sensitive steering.
R The vehicle/trailer combination will ha ve a
lar ger turning circle.
This may impair theve hicle's driving characteris‐
tics.
When driving with a vehicle/trailer combination,
alw ays adapt your speed tothe cur rent road and
we ather conditions. Drive carefull y.Ke ep a suf fi‐
cient safe dis tance.
Co mply withthe maximum speed of 49 mph
(80 km/h) or 62 mph (100 km/h), even in coun‐
tries in which higher speeds are permitted for
ve hicle/trailer combinations.
Comply with the legally prescribed maximum
speed forve hicle/trailer combinations in forc e in
th e count ry,st ate or Canadian pr ovince in ques‐
tion. Before setting off, consult the trailer's vehi‐
cle documents tosee the maximum permissible
speed foryo ur trailer.
At tach only an appr oved trailer hitch to yourvehi‐
cle. Use only a ball neck that has been appr oved
fo ryo ur vehicle. Further information about availa‐
bility and ins tallation of the trailer electrics is
av ailable from any qualified specialist workshop.
The trailer hitch is one of the most impor tant
ve hicle parts forro ad saf ety. Comply with the
instructions on operating, maintaining and servic‐
ing in the manufacturer's operating instructions.
% Yo
ur vehicle's bumpers are not suitable for
ins talling de tach able trailer tow hit ches.
Do not attach any rented trailer tow hit ches or
any other de tach able trailer tow hit ches tothe
bumpers.
% When using a trailer,
remember that
PA RKTRONIC is available only toa limited
ex tent, if at all.
% The height of
the ball head will change
depending on theve hicle's load. In this case, use a trailer with a height-adjus
table dr aw‐
bar.
Driving no tes
The maximum permissible speed forve hicle/
trailer combinations depends on the type of
trailer. Before setting off, consult the trailer's
ve hicle documents tosee the maximum permissi‐
ble speed foryo ur trailer.
Yo ur vehicle will beha vediffere ntly wi tha trailer
re lative towithout a trailer, and will consume
more fuel. In the case of a long and steep
descent, you must select shift range 3,2or 1in
good time.
% This also applies if
the cruise cont rol is
switched on.
Yo u will thereby make use of the engine's braking
ef fect and will not ha vetobrake as of tento con‐
trol the speed. This will take some of thest ra in
off the brake sy stem and pr event the brakes from
ove rheating and wearing tooqu ickl y.Ifyo u need
additional braking, depress the brake pedal inter‐
mittently rath er than continuousl y.
Driving tips
If th e trailer sw ays, remember thefo llowing
points:
R Do not accelerate under any circums tances.
R Do not counter steer.
R If necessar y,apply the brakes.
% Yo
u can pr eventthe trailer from sw aying and
rock ingbyretrofitting stabilizer bar or trailer
st ability programs. You can obtain fur ther
information from an authorized Mercedes-
Benz Center.
When you are driving with a trailer, comply with
th efo llowing points:
R Maintain a greater dis tance than when driving
without a trailer.
R Avoid braking abruptl y.If possible, brake gen‐
tly firs t of all so that the trailer closes up
behind your vehicle. Then, increase the brak‐
ing forc era pidl y.
R The values given forst art-off gradeability
re ferto sea le vel. When driving in moun tain‐
ous areas, no tethat engine output, and there‐
fo re start-off gradeability, will dec rease with
inc reasing altitude. Driving and parking
171
Coupling/uncoupling a trailer
Coupling a trailer
* NO
TEDama getotheve hicle battery due
to full discharge Charging
the trailer battery using the po wer
supply of the trailer can damage theve hicle
batter y. #
Do not use theve hicle's po wer supply
to charge the trailer batter y. #
Shift the selector le verto position 005D. #
Apply theve hicle's parking brake. #
Close all the doors. #
Position the trailer on a le vel sur face behind
th eve hicle.
% The ball head height
changes depending on
th eve hicle's load. In this case, use a trailer
with a height-adjus table trailer dr awbar. #
Couple up the trailer. #
Establish all electrical and other connections
to the trailer. #
Remo veobjects or devices which pr eventthe
trailer from rolling, e.g. wheel choc ks. #
Release the trailer's parking brake.
% The
vehicle harness has a cable connection
to the brake light indicator lamp.
Obser vethe maximum permissible trailer dimen‐
sions (width and length).
Most US states and all Canadian pr ovinces pre‐
scribe thefo llowing points, and you are ur gently
re commended tocomply wi th these:
R Safetych ains between theto wing vehicle and
th e trailer. The chains should be routed in a
criss-cross pat tern under the trailer dr awbar.
They must be connected tothe trailer tow
hitch and not tothe bumper or totheve hicle
axle.
Lea vesuf ficient sla ckinthech ains. This
allo wsforeve n sha rpcornering.
R A separate brake sy stem is requ ired for cer‐
ta in trailers.
R A saf etyfe ature is requ ired for braked trailers.
De term ine the specific requ irements acco rd‐
ing tothere leva nt la ws.
If th e trailer becomes de tach ed from theto w‐
ing vehicle, the saf etyfe ature triggers the
trailer brakes and can thus reduce the danger. Un
coupling a trailer &
WARNING Risk of being crushed and
becoming trapped when uncoupling a
trailer
When uncoupling a trailer wi than engaged
ine rtia-activated brake, your hand may
become trapped between theve hicle and the
trailer dr awbar. #
Do not uncouple trailers with an
engaged overrun brake. Do not uncouple a trailer with an
overrun brake in
a st ate of overrun. Otherwise, there bound of the
ove rrun brake can damage your vehicle. #
Shift the selector le verto position 005D. #
Apply theve hicle's parking brake. #
Close all the doors. #
Apply the trailer's parking brake. #
Secure the trailer against rolling away with a
wheel chock or similar object. #
Remo vethe trailer cables and saf etych ains. #
Uncou plethe trailer. Information about
towing a trailer Operating a trailer is subject
tomany statutory
re gulations such as speed restrictions.
Many states also requ ire an auxiliary separate
functional braking sy stem when towing a weight
th at exc eeds a cer tain limit. Foryo ur saf ety, it is
re commended touse a separate functional brak‐
ing sy stem on any towe dve hicle.
Make sure that your trailer combination meets
local regulations. This not only applies to your
place of residence, but also to your destination.
In fo rm ation on this can be obtained from the
police and local authorities.
Comply with thefo llowing when driving with a
trailer:
R Practice cornering, stopping and backing up
in a traf fic-free location. In this wa y,yo u will 17 2
Driving and pa rking