
The dis
tance warning function can aid you in the
fo llowing situations with an intermitte ntwa rning
to ne and a warning lamp:
R Vehicles tr avelling in front: uptoappr ox‐
imately 250 km/h
R Stationary vehicles: uptoappr oximately
80 km/h
R Crossing vehicles: noreaction
R Moving pedestrians/cyclists ahead: upto
appr oximately 80 km/h
R Crossing cyclists: uptoappr oximately
60 km/h
R Stationary pedestrians: noreaction
Au tonomous braking function
The autonomous braking function may inter vene
at speeds starting from appr oximately 7 km/h in
th efo llowing situations:
R Vehicles tr avelling in front: uptoappr ox‐
imately 200 km/h
R Stationary vehicles: uptoappr oximately
50 km/h
R Crossing vehicles: noreaction
R Cyclists ahead: uptoappr oximately
80 km/h
R Moving pedestrians/crossing cyclists: up
to appr oximately 60 km/h
R Stationary pedestrians: noreaction
Situation-dependent brake forc e boosting
Situation-dependent brake forc e boosting may
inter vene at speeds starting from appr oximately
7 km/h in thefo llowing situations:
R Vehicles tr avelling in front: uptoappr ox‐
imately 250 km/h
R Stationary vehicles: uptoappr oximately
80 km/h
R Crossing vehicles: noreaction
R Cyclists ahead: uptoappr oximately
80 km/h
R Moving pedestrians/crossing cyclists: up
to appr oximately 60 km/h
R Stationary pedestrians: noreaction Cancelling 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 Releasing the brake pedal.
Ac tive Brake Assi stmay cancel the brake applica‐
tion when one of thefo llowing conditions is fulfil‐
led:
R You manoeuv retoavo 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
Fu ll sy stem per form ance is not available for a few
seconds af ter switching on the ignition or af ter
driving off.
The sy stem may be impaired or may not function
in thefo llowing situations:
R In sno w,rain, fog or heavy spr ay.
R Ifth e sensors are dirty, mis ted up, damaged
or co vered.
R Ifth e sensors are impaired due tointer fer‐
ence from other radar sources, e.g. strong
ra dar reflections in multi-s torey car par ks.
R If a loss of tyre pressure or a defective tyre
has been de tected and displa yed.
R In complex tra ffic situations where objects
cannot alw ays be clear lyidentified.
R If pedestrians or vehicles mo vequickly into
th e sensor de tection range.
R If pede strians are hidden by other objects.
R Ifth e typical outline of a pedestrian cann otbe
distinguished from the bac kground.
R If a pedestrian is not de tected as such, e.g.
due tospecial clo thing or other objects.
R In bends with a nar rowradius. Ac
tivating or deactivating Active Brake Assi st On-board computer:
4 00E2 5
Settings 5
Assistance
5 Active Brake Assist
% It is
recommended that Active Brake Assi stis
alw ays left activated. Driving and parking
157

#
Press the cruise cont rol le ver up 1or down
4 beyond the 1st pressure point.
The stored speed is increased or reduced by
10 km/h.
If yo u ha veset Miles asthe unit forth e digital
speedome ter,yo u can main tain any speed from
20 mph (cruise contro l) or set it asthe limit
speed (variable limiter). You can then set the limit
speed in increments of 1 mph and 5 mph.
Deactivating cruise control or theva riable
limiter #
Brief lypress the cruise cont rol le verfo rw ards
6.
or #
Brief lypush the cruise cont rol le ver in the
direction of ar row5.
The 00B2 or00CB symbol and thestored
speed in the multifunction display then go
out.
% Cruise cont rol is deactivated in thefo llowing
situations:
R you apply the brakes.
R you drive below a speed of 30 km/h.
R you shift the transmission toposition 005C.
R ESP ®
inter venes.
In these cases theva riable limiter remains
activated.
If yo u deactivate ESP ®
, or ABS or ESP ®
is
malfunctioning, cruise control and the limiter
are deactivated.
% Ve
hicles with manual transmission: ifthe
engine speed is very low, cruise control or
th e limiter is deactivated. When the transmis‐
sion is in neutral or the clutch pedal is
depressed for longer than six seconds, cruise
control is deactivated.
If cruise control automatically deactivates, a
wa rning tone sounds and theCruise control off
message appears brief lyin the multifunction dis‐
pla y.
Information on the permanent limiter
% The permanent limiter is only
available in cer‐
ta in countries.
If yo u wish tolimit theve hicle speed permanently
to a specific value (e.g. for driving in winter tyre
mode), you can set this speed with the perma‐
nent limiter. Yo
u can permanently limit the speed toava lue
between 160 km/h and the maximum permissi‐
ble speed (/ page160).
If yo u accelerate theve hicle using the accelera tor
pedal, a message with thestored speed is shown
in the multifunction display shortly before the set
limit speed is reached.
The permanent limiter remains active even if the
va riable limiter is deactivated. The permanent
limiter does not swit chtopassive mode even dur‐
ing kickdown and the driven speed remains
below the set speed.
Setting the limit speed for winter tyres
On-board compu ter:
4 00E2 5
Settings 5
Vehicle
5 Limit speed (winter tyres) #
Change the setting and confirm using the
0076 button.
By selecting Offyou swit choff the permanent
limiter. DSR (Downhill Speed
Regulation) Note
s on DSR
DSR supports you when driving downhill. DSR
main tains a set speed foryo u on downhill gradi‐
ents byapplying the brakes as requ ired. Main‐
ta ining the speed is dependent on thero ad sur‐
fa ce conditions and the downhill gradient and
cann ottherefore be guaranteed in all situations.
Obser vethe no tes on driving sy stems and your
re sponsibility; you may otherwise failto recog‐
nise dangers (/ page 153).
Yo u can set the speed tobetween 4 km/h and
18 km/h using the brake and accelerator pedals
or the cruise cont rol le ver.
DSR au tomatically controls in thefo llowing situa‐
tions:
R ifth eve hicle is stationar y,or its speed is less
th an 4 km/h , the speed is set to4 km/h or it
is set tothe minimum speed forth ere spec‐
tive gear range.
R ifyo u drive fasterthan 18 km/h off-road, DSR
switches tostandby mode. DSR remains acti‐
va ted, but does not brake automatically.
R ifyo u drive downhill slo werth an 18 km/h,
DSR sets the speed tothe pr eviously set
speed.
R ifyo u drive fasterthan 45 km/h, DSR
swit ches off automaticall y. 16 0
Driving and pa rking

In
theStandard setting, no warning vibration
occurs in thefo llowing situations:
R you operate the turn signal in the cor respond‐
ing direction. In this eve nt,thewa rnings are
suppressed for a cer tain period of time.
R a driving saf ety sy stem inter venes or regu‐
lates, such as ABS, BAS or ESP ®
.
In theAdaptive setting,there will also be no
wa rning vibration in thefo llowing situations:
R you accelerate hard, e.g. kickdown.
R you brake hard.
R yousteer actively, e.g. swer vetoavo id an
obs tacle or change lane quickl y.
R you cut the corner on a sharp bend. Tr
ailer operation Note
s on trailer operation &
WARNING Risk of accident and inju ryif
th eto ngue weight is exceeded
The car rier sy stem may de tach from theve hi‐
cle, thereby endangering other road users. #
Always comply with the permissible
to ngue weight when using a car rier. Yo
u can find specifications rega rding the ball
neck on the trailer's identification plate. You can
fi nd specifications rega rding the trailer on the
to wing vehicle's identification plate and in the
Te ch nical Data (/ page 277).
Yo u can attach car rier sy stems such as a bicycle
ra ck or load-bearing implement tothe ball nec k.
When using car rier sy stems on the ball nec k,the
maximum load capacity is 75kg.
If th e trailer coupling is de tachable, it is essential
to comply wi th the operating instructions of the
trailer coupling manufactu rer.
Place your vehicle/trailer combination on sur fa‐
ces that are as even as possible and secu reit
against rolling away ( /page 150). Couple and
uncouple the trailer carefull y. No
tethefo llowing rega rding theto ngue weight:
R Make full use of the maximum tongue weight,
where possible.
R Neverfa ll below a legally prescribed minimum
to ngue weight; theto ngue weight must
alw ays be positive.
R Do not exceed or fall below the permissible
to ngue weights – this must be obser ved dur‐
ing loading and unloading of the trailer.
Do not exceed thefo llowing values:
R Perm itted braked or unbraked towing capa‐
city
The maximum permissible towing capacity for
unbraked trailers is 750kg.
R Perm issible rear axle load of theto wing vehi‐
cle
R Perm issible grossweight of theto wing vehi‐
cle
R Perm issible grossweight of the trailer
R Perm issible gross combination weight
R Maximum permissible speed of the trailer
The releva nt pe rmitted values, which must not be
exc eeded, can be found in thefo llowing places:
R Inyour vehicle documents
R Onthe identification plate of the trailer hitch
R Onthe trailer's identification plate
R Ontheve hicle identification plate
If th ere are discrepancies between theva lues, the
lo west one shall appl y.
Before driving off, ensure thefo llowing:
R The tyre pressure on there ar axle of theto w‐
ing vehicle has been set forth e maximum
load.
R The headlamps ha vebeen set cor rectl y.
Comply with the maximum permissible speed of
80 km/h or 100 km/h, even in countries in
which higher speeds are pe rmitted forve hicle/
trailer combinations.
% During trailer operation,
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. 176
Driving and pa rking

Setting
the instrument lighting The displa
yson the instrument clus ter are illumi‐
nated during the da y.A dimming function is not
possible in da ylight.
The light sensor on the instrument clus ter auto‐
matically controls the brightness of the display
lighting.
When the light has been switched on, the bright‐
ness contro l is influenced bythe ambient light.
Yo u can then adjust the brightness of the instru‐
ment lighting and the display lighting with con‐
troller 1aswell. #
Turn controller 1up or down. Overview of menus on the on-board com‐
puter
Use the00E2 steering-wheel button tocall up the
list of menus and select a menu.
Yo u can find ope rating information in "O verview
and operation of the on-board computer"
(/ page 181).
Depending on theve hicle equipment, you can call
up thefo llowing menus:
R Trip menu (/ page184)
R Navi menu (navigation instructions)
(/ page 185)
R Radio menu (/ page 186)
R Media menu (/ page186)
R Telepho nemenu (/ page 188)
R Assistance graphic menu (/page 183)
R Service menu (/ page183)
R Settings menu (/ page189) Menus and submenus
Service menu
#
Press the00E2 button tocall up the list of
menus. #
With th e0064 or0063 button, select the
Service menu. #
Press the0076 button toconfirm.
Yo u ha vethefo llowing options in the Service
menu:
R Calling up display messages in the message
memory (/ page279).
R Che cking the tyre pressure electronically or
re starting the tyre pressure monitoring sys‐
te m (/ page 255).
R Checking the engine oil le vel elect ronically
(/ page 183).
R Calling up the service due date
R Displaying theAd Blue ®
fill le vel (in BlueTEC ®
ve hicles). Assistant display menu
#
Press the00E2 button tocall up the list of
menus. #
With th e0064 or0063 button, select the
Assistance graphic menu. #
Press the0076 button toconfirm.
The status of thefo llowing driving or driving
saf ety sy stems can be displa yed:
R Rear wind owwiper (/ page116)
R Active Brake Assi st (/ page 156)
R ATTENTION ASSIST (/ page172)
R DSR (/ page 160)
R Traf fic Sign Assi st (/ page 173)
R Active Dis tance Assi stDISTRONIC
(/ page 163) Instrument clus
ter and on-board computer 18 3

R
ifav ailable, use a load pr otection net to
secure the load (/ page216).
R use tie-down eyes and fastening components
which are suitable forth ewe ight and size of
th e load.
Obser vethe operating instructions of the manu‐
fa cturer when using load secu ring aids or lashing
material and the no tes on their expiration dates.
In thefo llowing cases, load securing aids or lash‐
ing materials are wornout, should not be used
and must be replaced:
R there is missing or illegible identification
R there is cord breakage or damage toload-
bearing seams or other traces of cracking
R there are cuts, holes, deformations, crushed
areas or other damage
R there is damage tocla mp ing elements or fas‐
te ners
If th e luggage compartment floor or loading area
are damaged in theeve nt of an accident, ha ve
th e tie-down eyes and the lashing material
ch ecked at a specialist workshop.
Even if you adhere toall the loading guidelines,
an increased load increases therisk of injury in
th eeve nt of an accident.
Before loading
Check and, when necessa ry, adjust the tyre pres‐
sure (/ page 250).
When loading
Obser vethefo llowing when loading theve hicle:
R Neverex ceed the permissible axle load or the
ve hicle's permissible gross mass.
The vehicle's kerb we ight is inc reased if
accesso ries or optional equipment are fitted.
This reduces the maximum pa yload.
R Obser vethe no tes on load distribution
(/ page 213).
R Obse rveth e no tes on load securing
(/ page 214) and the legal requ irements of
th e count ryin which you are cur rently driving.
R Obser vethe information on the car rier sys‐
te ms (/ page219). Af
ter loading
Obser vethefo llowing af ter loading theve hicle:
R Check that the luggage and/or load is secure
before everyjou rney and at regular inter vals
on long trips.
R Close all doors and theta ilgate.
R Adjust thera nge of the headlamps according
to theve hicle load (/ page106).
R Adjust the tyre pressure according tothe
ve hicle load (/ page 250).
R Adapt your driving style according totheve hi‐
cle load. Load distribution
* NO
TEDama getothefloor co vering due
to une ven loading Excessive point loading on
the load compart‐
ment floor or on the load area can negatively
af fect the driving characteristics and could
damage thefloor co vering. #
Distribute the load evenly. When doing
so, ensure that theove rall centre of
gr av ity of the load is alw ays as low and
close tothe cent reas possible and
between the axles near there ar axle. Obse
rveth efo llowing no tes:
R Always transport loads in the load compart‐
ment and with the seat backrests folded up
and proper lyloc ked in position.
R Always place the load against the front or rear
seat backrests.
R Movelarge and heavy loads as far as possible
to wa rdsth e front of theve hicle in the direc‐
tion of tra vel, against the front or rear seats.
St ow loads flush with there ar or front seats.
R Additionally secure the load with suitable load
securing aids or lashing material.
R The load must not pr otru de abo vethe upper
edge of the seat backrests.
R Transport loads behind seats that are not
occupied.
R Ifth ere ar ben chseat is not occupied, insert
th e seat belts crosswise into the seat belt
buckle of the opposite seat belt. Tr
ansporting 213

#
Pull cap 1upwards bytheta b. #
Top up thewa sher fluid. #
Push cap 1onto thefiller opening until it
audibly engages. Cleaning and care
Note
s onwashing theve hicle in an automatic
car wash &
WARNING Risk of an accident due to
re duced braking po wer af terwa shing the
ve hicle
Braking ef ficiency is reduced af terwa shing
th eve hicle. #
Afterth eve hicle has been washed,
brake carefully while paying attention to
th e traf fic conditions until braking
po we r has been fully restored. *
NO
TEDama getotheve hicle due toauto‐
matic braking When
thefo llowing functions are activated,
th eve hicle brakes automatically in cer tain sit‐
uations:
R Active Brake Assi st
R Active Dis tance Assi stDISTRONIC
R HOLD function
To avo id damage totheve hicle, deactivate
th ese sy stems in thefo llowing or similar sit‐
uations: #
when towing #
in a car wash *
NO
TEDama gedue tounsuitable car
wa sh #
Before driving into a car wash make
sure that the car wash is suitable forthe
ve hicle dimensions. #
Ensure there is suf ficient ground clear‐
ance between the underbody and the
guide rails of the car wash. #
Ensure that the clearance width of the
car wash, in particular the width of the
guide rails, is suf ficient. To
avo id damage to yourvehicle, obser vethefo l‐
lowing before using an automatic car wash:
R Active Brake Assi stis deactivated.
R Active Dis tance Assi stDISTRONIC is deacti va‐
te d.
R the HOLD function is switched off.
R the side windo wsand roof are comple tely
closed.
R the outside mir rors are folded in and an addi‐
tional antenna is remo ved, if present.
R the climate cont rol blo wer is switched off.
R the windscreen wiper switch is in position 005A.
If th eve hicle is very dirty, wash off excess dirt
before cleaning theve hicle in an automatic car
wa sh.
Af ter leaving the car wash, pay attention tothe
fo llowing:
R the outside mir rors are fully folded out again
and an additional antenna is mounte d again.
R waxre sidues on the windscreen and wiper
ru bbers are remo vedto preve nt smearing and
re duce wiper noise.
Re mo ve wa xre sidues from the camera lens in
ve hicles with a reve rsing camera (/ page 229). Note
s on use of a high-p ressure cleaner &
WARNING Risk of an accident when
using high-pressu recleaners wi thround-
spr aynozzles
The water jet can cause extern ally invisible
damage.
Components damaged in this wa y may unex‐
pec tedly fail. #
Do not use a high-pressure cleaner with
round-spr aynozzles. #
Have damaged tyres or chassis parts
re placed immediatel y. *
NO
TEDama getocomponent pa rts due
to improper high-pressure cleaning Components can be damaged if
the dis tance
of the high-pressure nozzle is too small. #
Maintain a minimum dis tance of about
30 cm between the high-pressure noz‐
zle and car parts. Maintenance and care
227

Information on noise or unusual driving
ch
aracteristics
While driving, pay attention tovibrations, noises
and unusual driving characteristics, e.g. pulling to
one side. This may indicate damage tothe wheels
or tyres. If you suspect that a tyre is defective,
re duce your speed. Stop theve hicle as soon as
possible tocheck if wheels and tyres ha vebeen
damaged or are no longer functioning properly.
Hidden tyre damage could also be causing the
unusual driving characteristics. If no signs of
damage can be de tected, ha vethe tyres and
wheels checked at a qualified specialist work‐
shop. Note
s onregular lyinspecting wheels and
tyres &
WARNING Risk of injury duetodamaged
tyres
Damaged tyres can cause tyre pressure loss. #
Check the tyres regularly for signs of
dama geand replace any damaged tyres
immediatel y. Check
the wheels and tyres of your vehicle for
damage regular ly, i.e. at least every two weeks,
as well as af ter driving off-road or on rough
ro ads. Damaged wheels can lead toa loss of tyre
pressure.
Look out forth efo llowing types of damage, for
ex ample:
R cuts in the tyres
R punctures in the tyres
R tears in the tyres
R bulges on tyres
R deformation or se vere cor rosion on wheels &
WARNING Risk of aquaplaning due to
insuf ficient tyre tread
Insu fficient tyre tread will result in reduced
tyre grip.
The risk of aquaplaning is increased on wet
ro ads, especially when the speed of theve hi‐
cle is not adap tedto suit the conditions. #
Thus, you should regularly check the
tread de pth and the condition of the
tread across the entire width of all
tyres. Minimum tread dep
thfor:
R Summer tyres: 3 mm
R M+S tyres: 4 mm #
For saf etyre asons, replace the tyres
before the legally-prescribed limit for
th e minimum tread dep thisreached. Conduct
thefo llowing checks regular lyon all
wheels, at least once a month or as requ ired, e.g.
before a long journey or when driving off-ro ad:
R check the tyre pressure (/ page 250)
R check theva lve caps
Va lves must be pr otected from moisture and
dirt with valve caps specifically appr ovedby
Mercedes-Benz foryo ur vehicle.
R visually inspect the tread dep thand the tyre
tread across the whole tyre width
The minimum tread dep thfor summer tyres is
3 mm and for winter tyres 4 mm. Information on driving with summer tyres
At temp eratures below 10°C summer tyres lose
elasticity and therefore traction and braking
po we r.Chan gethe tyres on your vehicle toM+S
tyres. Using summer tyres at very cold temp era‐
tures could cause tears toform ,th ereby damag‐
ing the tyres permanentl y.Mercedes-Benz cannot
accept responsibility forth is type of damage.
Once you ha vefitted the summer tyres:
R Check the tyre pressures (/ page 250)
R Restart the tyre pressure monitor
(/ page 255) Information on M+S tyres
At temp eratures below 10°C use winter tyres or
all-season tyres – bo thare mar ked with M+S.
Only winter tyres bearing the004D snowflake
symbol in addition tothe M+S marking pr ovide
th e best possible grip in wintry road conditions.
On lythese tyres will allow driving saf ety sy stems
such as ABS and ESP ®
to also function optimally
in winter. These tyres ha vebeen de veloped spe‐
cifically for driving in sno w.
Use M+S tyres of the same make and tread on all
wheels tomaintain safe handling characteristics.
Alw ays obser vethe maximum permissible speed
specified forth e M+S tyres you ha vefitted. Wheels and tyres
249

If
yo ufit M+S tyres that ha vea lo wer maximum
permissible speed than the maximum design
speed of theve hicle, af fix an appropria te warning
sign in the driver's field of vision. You can obtain
th is at a qualified specialist workshop.
Once you ha vefitted the winter tyres, take the
fo llowing measures:
R check the tyre pressure (/ page 250)
R restart the tyre pressure monitor
(/ page 255) Note
s on snow chains
Fo r saf etyre asons, Mercedes-Benz recommends
th at you only use sn owchains that ha vebeen
ch ecked and appr oved.You can find fur ther infor‐
mation on snow chains recommended for
Mercedes-Benz in the wheel and tyre overview at
https://www.me rcedes-benz.de. &
WARNING Risk of accident due tosnow
ch ains breaking
If yo u drive toofast with snow chains, they
can break, injureother persons, and damage
th eve hicle. #
Obser vethe maximum permissible
speed for operation with snow chains. *
NO
TEDama getothe wheel trim from fit‐
te d snow chains If sn
ow ch ains are fitted tosteel wheels, the
wheel trims can be damaged. #
Remo vethe wheel trims of steel wheels
before fitting snow chains. Obse
rveth efo llowing no tes when using snow
ch ains:
R Snow ch ains are only permissible for cer tain
wheel/tyre combinations. You can obtain
information on them at a qualified specialist
wo rkshop.
R For saf etyre asons, only use sn owchains that
ha ve been specifically appr ovedfo ryo ur vehi‐
cle byMercedes-Benz, or snow chains with
th e same quality standard.
R The sn owchains must be retightened af ter
driving appr oximately 1 km. This is the only
wa yto ensure the snow chains are optimally
seated with clearance toadjacent compo‐
nents. R
Use sn owchains only when thero ad sur face
is comple tely sno w-covered. Re mo vethe
snow chains as soon as possible when you
come toaro ad that is not sn ow-co vered.
R Local regulations may restrict the use of
snow chains. Obse rveth e applicable regula‐
tions before fitting snow chains.
R If sn ow ch ains are fitted, the maximum per‐
missible speed is 50 km/h.
% You can deactivate ESP ®
to pull away
( / page 155). This all owsthe wheels to
spin, achieving an increased driving forc e. Ty
re pressure Note
s on tyre pressure Driving with tyre pressure
that is too high or too
low can:
R Shor tenth e service life of the tyres
R Cause increased tyre damage
R Adversely af fect handling characteristics and
th us driving saf ety, forex ample, due toaqua‐
planing &
WARNING Risk of accident due torepea‐
te d pressure drop in the tyres
The wheels, valves or tyres could be dam‐
aged.
To o low a tyre pressure can lead tothe tyres
bur sting. #
Examine the tyres forfo re ign objects. #
Check whe ther the tyre has a puncture
or theva lve has a leak. #
Ifyo u are unable torectify the damage,
contact a qualified specialist workshop. Information on
there commended tyre pressure
fo rth eve hicle's factor y-fitted tyres can be found
on the tyre pressure table in the fuel filler flap
and in the tyre pressure tables (/ page 251).
Use a suitable pressure gauge tocheck the tyre
pressure. The outer appearance of a tyre does
not permit any reliable conclusion about the tyre
pressure.
Ve hicles with a tyre pressure monitor: you can
also check the tyre pressure using the on-board
computer. 250
Wheels and tyres