
At
agl ance .................................................... 6
Cockpit ........................................................... 6
Wa rning and indicator lamps ........................ 10
Overhead contro l panel ................................ 14
Door control panel and seat adjustment ....... 16
Emergencies and breakdowns ...................... 18Digital Owner's Manual
.............................20
Calling up the Digital Owner's Manual ..........20 Genera
l notes............................................. 21
Pr otection of the environment ......................21
Ta ke -ba ckof end-of-life vehicles ...................21
Mercedes-Benz GenuineParts ....................... 22
Owner's Manual ...........................................23
Operating saf ety .......................................... .23
Declaration of Conformity ............................. 24
Diagno stics connection ................................ 26
Qualified specialist workshop ....................... 26
Ve hicle registration ....................................... 27
Cor rect use of theve hicle ............................. 27
Implied warranty .......................................... .27
QR code forre scue card ...............................27
Ve hicle data storage .....................................27 Copyright ...................................................... 28 Occupant saf
ety......................................... 30
Re stra int sy stem ...........................................30
Seat belts ..................................................... 32
Airbags ......................................................... 36
PRE-SAFE ®
sy stem ....................................... 43
Children in theve hicle ..................................45
Pe ts in theve hicle ........................................63 Opening and closing
.................................. 64
Ke y .............................................................. .64
Doo rs............................................................ 68
Load compa rtment ....................................... 73
Ro ller sunblinds ............................................ 79
Side windo ws............................................... 79
Sliding sunroof ............................................. 83
Anti-theft pr otection .....................................88 Seats and
stowing ..................................... 90
Cor rect driver's seat position ....................... 90
Seats ............................................................ 91
St eering wheel ............................................ 104Using
the memory function ........................ 107
St ow age areas ............................................ 108
Cup holders ................................................ 12 3
Ashtr ayand cigar ette lighter ...................... .125
Soc kets ....................................................... 12 6
Wi reless charging of the mobile phone
and connection with theex terior aerial ...... 12 8
Fitting/removing floor mats ....................... 13 0 Light and sight
.......................................... 131
Exterior lighting ........................................... 131
Interior lighting ........................................... 13 8
Changing bulbs (on lyforve hicles with
halogen headlamp s) .................................... 13 9
Wi ndsc reen wipers and windscreen
wa sher sy stem ............................................ 141
Mir rors ........................................................ 14 4
Operating the sun visors ............................. 147
Infrared reflective windscreen .................... 147 Climate control
........................................ 14 9
Overview of climate contro l systems ..........1 49
Operating the climate control sy stem ......... 15 0 2
Contents 

16
Ataglance – Door control panel and seat adjustment 

1
Adjusts the seats electrically →
94
2 Switches the seat heater on/off →
100
3 Switches the seat ventilation on/o ff →
101
4 Adjusts the front passenger seat from the driv‐
er's seat →
94
5 &% Locks/unloc kstheve hicle →
69
6 Folds the ball neck of the trailer hitch in or out →
24 8
7 Opens/closes theta ilgate →
73
8 Adjusts and folds the outside mir rors out/in
electrically →
14 4
9 W Opens/closes theright side window →
79
A W Opens/closes there ar right side window →
79
B Child saf ety lock forth ere ar side wind ows →
63 C
W Opens/closes there ar left side wind ow→
79
D W Opens/closes the left side window →
79
E Opens the door →
68
F Sets the memory function →
107
G Adjusts the seat fore -and-aft position →
93
H Adjusts the seat cushion length →
93
I Adjusts the 4-w aylumbar support →
95
J Seat adjustment using the multimedia sy stem →
97
K Adjusts the head restra ints →
95
L Adjusts the seat cushion inclination →
93
M Adjusts the seat height →
93
N Adjusts the seat backrest inclination →
93 At
aglance – Door control panel and seat adjustment 17 

*
NO
TEDama gecaused bytrapping the
seat belt If an unused seat belt is not fully
retracted, it
may become trapped in the door or in the
seat mechanism. #
Alw ays ensure that an unused seat belt
is fully retracted. Fa
stening and adju sting seat belts If
th e seat belt is pulled quickly or sharpl y,the
seat belt retractor lo cks. The seat belt stra p can‐
not be pulled out any fur ther. #
Alw ays engage seat belt tongue 2ofthe
seat belt into seat belt buckle 1ofthe cor‐
re sponding seat. #
Press and hold the seat belt outlet release
and slide the seat belt outlet into the desired
position. #
Let go of the belt outlet release and ensure
th at the seat belt outlet loc ksin position. Ve
hicles with PRE-SAFE ®
:If th e front seat belt
is not pulled tight across your body, the seat belt
adjustment may automatically apply a cer tain
tigh tening forc e. Do not hold the seat belt tightly
while it is adjusting. You can activate and deacti‐
va te the seat belt adjustment function using the
multimedia sy stem.
* NO
TEDeployment of the seat belt ten‐
sioner when the front passenger seat is
unoccupied If
th e seat belt tongue is engaged in the seat
belt buckle of the front passenger seat and
th e front passenger seat is unoccupied, the
seat belt tensioner may depl oyintheeve nt
of an accident. #
Only one pe rson should use each seat
belt at any one time. Re
leasing the seat belts #
Press there lease button in the seat belt
buckle and guide the seat belt back with the
seat belt tongue. Occupant sa
fety 35 

Ac
tivating or deactivating seat belt adjust‐
ment via the multimedia sy stem Multimedia sy
stem:
, Vehicle .
î Vehicle settings .
Belt
adjustment #
Activate Oor deacti vate ª the function. Seat belt
warning for the driver and front
passen ger The
ü seat belt warning lamp in the Instru‐
ment Display is a reminder that all vehicle occu‐
pants must weartheir seat belts cor rectly.
In addition, an acoustic warning tone may sound.
As soon as the driver and front passenger fasten
th eir seat belts, the seat belt warning goes out. Re
ar seat belt status display The
rear seat belt status display is on lyavailable
fo r cer tain countries. The
rear seat belt status display informs you
which rear seat belt is not fastened.
Yo u can immediately dismiss there ar seat belt
st atus display using the back button on the left-
hand side of thesteering wheel (→ page 256). Airbags
Overview of airbags
1
Knee airbag
2 Driver's airbag
3 Front passenger airbag
4 Window airbag
5 Side impact airbag
The ins tallation location of an airbag is identified
by the AIRB AGsymbol. 36
Occupant saf ety 

When ins
talling a child restra int sy stem on the
front passenger seat, obse rveth eve hicle-spe‐
cific information (→ page 39).
Depending on thech ild restra int sy stem and the
st ature of thech ild, thePA SSENGER AIR BAG
OFF indicator lamp may be off. In this case, do
not ins tallth ere ar wa rd-facing child restra int
sy stem on the front passenger seat.
Ins tead, ins tallth ere ar wa rd-facing child
re stra int sy stem on a suitable rear seat.
Af ter in stalling a forw ard-facing child
re stra int sy stem on the front passenger
seat: depending on thech ild restra int sy stem
and thest ature of thech ild, PASSENGER AIR
BA G OFF may be lit continuously or be off.
Alw ays obser vethefo llowing information. &
WARNING Risk of inju ryor death due to
incor rect positioning of thefo rw ard-
fa cing child restra int sy stem
If yo u secure a child in a forw ard-facing child
re stra int sy stem on the front passenger seat
and you position the front passenger seat too
close tothe cockpit, in theeve nt of an acci‐
dent, thech ild could:
R Come into con tact wi th theve hicle inte‐
ri or if thePA SSENGER AIR BAG OFF indi‐
cator lamp is lit, forex ample.
R Bestru ck bythe airbag if thePA SSENGER
AIR BAG OFF indicator lamp is off. #
Alw ays mo vethe front passenger seat
as far back as possible and fully retract
th e seat cushion length adjustment.
Alw ays make sure that the shoulder belt
st ra p is cor rectly routed from the seat
belt outlet on theve hicle tothe shoul‐
der belt guide on thech ild restra int sys‐
te m. The shoulder belt stra p must be
ro uted forw ards and down wards from
th e seat belt outlet. If necessar y,adjust th
e seat belt outlet and the front
passenger seat accordingly. #
Alw ays obser vethech ild restra int sys‐
te m manufacturer's ins tallation instruc‐
tions. When ins
talling a child restra int sy stem on the
front passenger seat, obse rveth eve hicle-spe‐
cific information (→ page 39).
If a person is sitting in the front passenger
seat: PASSENGER AIR BAG OFF may be lit con‐
tinuously or be off, depending on the person's
st ature. Alw ays obser vethefo llowing informa‐
tion.
If th e front passenger seat is occupied by:
R An adult or a pe rson with a build cor respond‐
ing tothat of an adult, thePA SSENGER AIR
BA G OFF indicator lamp must be off. This
indicates that the front passenger airbag is
enabled.
If th ePA SSENGER AIR BAG OFF indicator
lamp is lit continuousl y,an adult or person
with a build cor responding tothat of an adult 42
Occupant saf ety 

brief noise signal
tostimulate the innate pro‐
te ctive mechanism of a person's hea ring.
* NO
TEDama gecaused byobjects in the
fo ot we ll or behind the seat The automatic adjustment of
the seat posi‐
tion may result in damage tothe seat and/or
th e object. #
Stow objects in a suitable place. Re
versing the PRE- SAFE®
measures If an accident did not occur,
the pre-em ptive
measures that we retaken are reve rsed. Yo u
will need toper form certain settings your‐
self. #
Ifth e seat belt pre-tensioning is not reduced,
mo vethe seat backrest back slightl y.
The locking mechanism releases. Information on PRE-
SAFE®
PLUS (anticipa‐
to ry occupant pr otection plus) PRE-
SAFE®
PLUS can de tect cer tain impacts,
particular lyan imminent rear impact, and take
pre-em ptive measures toprotect theve hicle
occupants. These measures cannot necessarily
pr eve nt an imminent impact.
PRE-SAFE ®
PLUS can implement thefo llowing
measures independently of each other:
R Tightening the seat belts on the driver's seat
and front passenger seat.
If an accident does not occur, the pre-emp‐
tive measures that we retake n are reve rsed .
R Activating there ar hazard warning lights at a
higher flashing frequenc y.
R Increasing brake pressure when theve hicle
is stationar y.This brake application is cancel‐
led automatically when theve hicle pulls
aw ay.
PRE-SAFE ®
PLUS sy stem limitations
R No me asures are implemented:
- Ifth eve hicle is reve rsing. or
- When theve hicle is towing a trailer and
th ere is a risk of a rear impact.
R The brakes are not applied:
- Whilst driving.
or
- When entering or exiting a parking space
using Parking Pilot. Information on PRE-
SAFE®
Impulse Side If an imminent side impact is de
tected, PRE-
SA FE®
Impulse Side can pre-emptively mo vethe
front-seat vehicle occupant's upper body
to wa rdsth e cent reoftheve hicle. It does this by
ra pidly inflating an air cushion in the outer seat
side bols ter of the seat backrest on the side on
which the impact is anticipated. This increases
th e dis tance between the door and theve hicle
occupant.
If PRE-SAFE ®
Impulse Side has been deplo yed or
is faulty, the display message PRE-SAFE impulse44
Occupant saf ety 

Children in particular could acciden
tally
press the electrical seat adjustment buttons
and become trapped. #
While moving the seats, make sure that
hands or other body parts do not get
under the le ver assembly of the seat
adjustment sy stem. &
WARNING Risk of inju rydue tohead
re stra ints which are not fitted or are
adjus ted incor rectly
If head restra ints are not fitted or are adjus‐
te d incor rectl y,they cannot pr ovide pr otec‐
tion as intended.
There is an increased risk of injury in the
head and neck area, e.g. in theeve nt of an
accident or when braking. #
Alw ays drive with the head restra ints
fi tted. #
Before driving off, ma kesure forev ery
ve hicle occupant that the cent reofthe
head restra int supports the back of the
head at about eye le vel. Do not inter
change the head restra ints of the
front and rear seats. Otherwise, you cannot
adjust the height and angle of the head
re stra ints cor rectl y.
Ad just the head restra int fore -and-aft position so
th at it is as close as possible tothe back of your
head. &
WARNING Risk of inju rydue toan incor‐
re ct seat position
The seat belt does not of ferth e intended
le ve l of pr otection if you ha venot mo vedthe
seat backrest toan almost vertical position.
When braking or in theeve nt of an accident,
yo u could slide underneath the seat belt and
sus tain abdomen or neck injuries, forex am‐
ple. This poses an inc reased risk of injury or
ev en fata l injur y. #
Adjust the seat cor rectly before starting
th e journe y. #
Alw ays ensure that the seat backrest is
in an almost vertical position and that
th e shoulder section of your seat belt is ro
uted across the cent reofyour shoul‐
der. *
NO
TEDama getothe seats when moving
th e seats back The seats may be damaged
byobjects when
moving the seats bac k. #
When moving the seats bac k,make
sure that there are no objects in the
fo ot we ll or under or behind the seats. 92
Seats and stowing