Useful information
i This Operator's Manual describes all
models and all standard and optional equip- ment of your vehicle available at the time of
publication of the Operator's Manual.
Country-specific differences are possible.
Please not ethat your vehicle may not be
equipped with all feature sdescribed. This
also applies to safety-related system sand
functions.
i Please read the information on qualified
specialist workshops (Y page 23).Correct driver's seat position
Observ
ethe safet yguidelines on seat adjust-
ment (Y page 85).
X Make sure that seat 0087is adjusted prop-
erly.
Seat adjustment (Y page 86)
When adjusting the seat, make sure that:
R you are as far away from the driver' sair
bag as possible.
R you are sitting in anormal upright posi-
tion. R
you can faste nthe seat belt properly.
R you have moved the backrest to an
almost vertical position.
R you have set the seat cushion angle so
that your thighs are gently supported.
R you can depress the pedals properly.
Observ ethe safet yguidelines on steering
wheel adjustment (Y page 88).
X Make sure that steering wheel 0043is
adjusted properly.
Adjustin gthe steering wheel
(Y page 89)
When adjusting the steering wheel, make
sure that:
R you can hold the steering wheel with your
arms slightly bent.
R you can move your legs freely.
R you can see all the displays in the instru-
ment cluster clearly.
Observ ethe safet yguidelines for seat belts
(Y page 47).
X Check whether you have fastened seat
belt 0044properly (Y page 49).
The seat belt should:
R fit snugly across your body
R be routed across the middle of your
shoulder
R be routed in your pelvic area across the
hip joints
X Before starting off, adjust the rear-view mir-
ror and the exterior mirrors (Y page 90) in
such away that you have agood view of
road and traffic conditions.
X Memor yfunction: storethe seat, steering
wheel and exterior mirro rsettings
(Y page 92). 84
Correct driver's seat positionSeats, steering wheel and mirrors
Seats
Important safety notes
G
WARNING
Children could become trapped if they adjust the seats, particularly when unattended.
There is arisk of injury.
When leaving the vehicle, always take the
SmartKey with you and lock the vehicle. Never leave children unsupervised in the vehicle. G
WARNING
You could lose control of your vehicle if you do the following while driving:
R adjust the driver's seat, head restraint,
steering wheel or mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint ,steer-
ing wheel and mirror and fasten your seat belt before startingt he engine. G
WARNING
If you adjust the seat height carelessly, you or other vehicle occupants could be trapped andthereby injured. Children in particular could
accidentally press the electrical seat adjust-
ment buttons and become trapped. There is a
risk of injury.
While moving the seats, make sure that your
hands or other body parts do not get under the
lever assembly of the seat adjustment sys-
tem. G
WARNING
When you adjust aseat, you or other vehicle
occupants could become trapped, e.g. on the seat guide rail. There is arisk of injury.
Make sure when adjusting aseat that no one
has any body parts in the sweep of the seat. G
WARNING
The seat belt does not offer the intended level of protection if you have not moved the back-
rest to an almost vertical position. When brak- ing or in the event of an accident, you could
slide underneath the seat belt and sustain
abdomen or neck injuries, for example. This
poses an increased risk of injury or even fatal
injury.
Adjust the seat properly before beginning
your journey. Always ensure that the backrest is in an almost vertical position and that the
shoulder section of your seat belt is routed
across the center of your shoulder. G
WARNING
If head restraint sare not installed and
adjusted correctly, they cannot provide pro-
tection as intended. There is an increased risk
of injury in the head and neck area, e.g. in the event of an accident or when braking.
Always drive with the head restraint sinstal-
led. Before driving off, make sure for every
vehicle occupant that the center of the head
restraint supports the back of the head at
about eye level. G
WARNING
The seat belt does not offer the intended level of protection if you have not moved the back-
rest to an almost vertical position. When brak-
ing or in the event of an accident, you could
slide underneath the seat belt and sustain
abdomen or neck injuries, for example. This
poses an increased risk of injury or even fatal injury.
Adjust the seat properly before beginning
your journey. Always ensure that the backrest
is in an almost vertical position and that the
shoulder section of your seat belt is routed
across the center of your shoulder.
! To avoid damage to the seats and the seat
heating, observe the following information:
R do not spill any liquids on the seats. If
liquidiss pilled on the seats, dry them as
soon as possible.
R if the seat covers are damp or wet, do not
switch on the seat heating. The seat Seats
85Seats, steering wheela nd mirrors Z
heating should also not to be used to dry
the seats.
R clean the seat covers as recommended;
see the "Interior care" section.
R do not transport heavy loads on the
seats. Do not place sharp objectsont he
seat cushions, e.g. knives, nails or tools. The seats should only be occupied by
passengers, if possible.
R when the seat heating is in operation, do
not cover the seats with insulating mate-
rials, e.g. blankets, coats, bags, seat cov- ers, child seats or booster seats.
! Make sure that there are no objectsint
he
footwell under or behind the seats when
moving the seats back. There is arisk that
the seats and/or the objectsc ould be dam-
aged. Adjusting the seats manually
Seat fore-and-aft adjustment
X
Lift handle 0043and slide the seat forwards
or backwards.
X Release lever 0043again.
Make sure that you hear the seat engage in
position. Backrest angle X
Relieve the pressure on the backrest.
X Pull lever 0044up and adjust the backrest to
the desired angle.
X Release lever 0044again.
The seat backrest must audibly engage.
Seat height X
Pull up or push down lever 0087repeatedly
until the seat has reached the desired
height. Seat adjustment
0043
Backrest angle
0044 Seat fore-and-aft adjustment
0087 Seat cushion angle
0085 Seat height
i You can store the seat settings using the
memory function (Y page 92). Adjusting the lumbar support
You can adjust the contour of the seat so as to
provide optimum support for your back. 86
SeatsSeats, steering wheela
nd mirrors
0043
To adjust the upper back support
0044 To adjust the contour of the backrest in
the lumbar region
0087 To adjust the lateral structure and support
of the seat
X Select key position 2with the Start/Stop
button.
i If, after
acertain amount of time, the seat
no longer has the desired contour, repeat
the adjustment. Switching the seat heating on/off
Activating/deactivating G
WARNING
Repeatedly switchin gonthe seat heating can
cause the seat cushion and backrest pads to
become very hot. The health of persons with
limited temperature sensitivity or alimited
ability to react to excessively high tempera-
tures may be affected or they may even suffer burn-lik einjuries. There is arisk of injury.
Therefore, do not switch the seat heating on
repeatedly.
The three red indicator lamps in the button
indicate the heating level you have selected.
i If the battery voltage is too low, the seat
heating may switch off. The system automatically switches down
from level
3to level 2after approximately five
minutes.
The system automatically switches down
from level 2to level 1after approximately ten
minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1.
X Select key position 2with the Start/Stop
button.
X To switch on: press button0043repeatedly
until the desired heating level is set.
X To switch off: press button0043repeatedly
until all the indicator lamps go out.
Problems with the seat heating The seat heating has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumers are switched
on.
X Switc hoff electrical consumers that you do
not need, such as the rear window
defroster or interior lighting.
Oncet he battery is sufficiently charged, the
seat heating will switch back on automati-
cally. Seats
87Seats, steering wheel and mirrors Z
AIRSCARF (Roadster)
G
WARNING
When AIRSCARF is switched on ,veryh ot air
can flo wfromt hevents in th ehead restraints.
This could result in burn sintheimmediate
vicinity of th eair vents .There is ariskofi njury.
Reduc ethe heater output before it becomes
to oh ot.
The AIRSCARF function warm sthe head and
neck area of vehicl eoccupant swithw arm air.
The warm air flows out of th ehole sint hehead
restraints.
The three red indicator lamp sinthebutton
indicat ethe heating level you hav eselected. X
Mak esuret hatthe SmartKey is in position
2 in th eignition lock.
X To switch on: press button0043.
Three red indicator lamp sinthebutto nlight
up. The blowe rstartsupa fterapreheating
phas eofs even seconds.
X Press button 0043repeatedly until the
desired heating level is set.
X To switch off: press button0043repeatedly
until all th eindicator lamp sgoout.
You can use th eadjustable fin sonthehead
restrain ttoadjust th eheight of th ecurren tof
air blown out according to your height.
Mak esuret hatthe re are no objects covering
th ei ntake grille on th ebackoft hedriver's
seat backrest. i
The blowe
rcontinue srunnin gfor seven
seconds to cool down th eheating ele-
ments.
i If th
ebattery voltag eistoolow, AIRSCARF
may switch off. Steering wheel
Important safety notes
G
WARNING
You could lose control of your vehicl eifyou do
th ef ollowin gwhile driving:
R adjust th edriver's seat ,head restraint,
steering whee lormirrors
R faste nthe seat belt
There is ariskofana ccident.
Adjus tthe driver's seat ,head restraint, steer-
ing whee land mirror and faste nyour seat belt
before starting th eengine. G
WARNING
Children could injure themselves if they
adjust th esteering wheel. There is ariskof
injury.
When leaving th evehicle, always tak ethe
SmartKey wit hyou and loc kthe vehicle. Never
leav echildren unsupervised in th evehicle. G
WARNING
If th esteering whee lisunlocke dwhile the
vehicl eisinm otion,itcould chang eposition
unexpectedly. This could caus eyou to lose
control of th evehicle. There is ariskofan
accident.
Befor estarting off ,makes uret he steering
whee lislocked. Never unloc kthe steering
whee lwhile th evehicl eisinm otion. 88
Steering wheelSeats
,steering wheel and mirrors
Adjusting th
esteering wheel 0043
To adjust th esteering whee lposition
(fore-and-af tadjustment)
0044 To adjust th esteering whee lheight
i Further relate dsubjects:
R EASY-ENTRY/EXIT feature
(Y page 89)
R Storing setting s(Ypage 92) EASY-ENTRY/EXIT feature
Important safety notes The EASY-ENTRY/EXIT feature makes getting
in and out of your vehicl eeasier. G
WARNING
When th eEASY-ENTRY/EXIT feature adjusts
th es teering wheel, you and other vehicle
occupant s–particularly children –could
become trapped .There is ariskofi njury.
Whil ethe EASY-ENTRY/EXIT feature is mak-
ing adjustments ,makes uret hatnoo nehas
any body part sintheswee poft hesteering
wheel.
If somebod ybecome strapped:
R press on eofthememory function position
buttons ,or
R mov ethe switch for steering whee ladjust-
men tint heopposit edirection to that in
whic hthe steering whee lismoving.
The adjustmen tprocess is stopped. G
WARNING
If children activat ethe EASY-ENTRY/EXIT fea-
ture, they can become trapped ,particularly
when unattended. There is ariskofi njury.
When leaving th evehicle, always tak ethe
SmartKey wit hyou and loc kthe vehicle. Never
leav echildren unsupervised in th evehicle. G
WARNING
If you drive off while th eEASY-ENTRY/EXIT
feature is making adjustments ,you could lose
control of th evehicle. There is ariskofan
accident.
Always wait until th eadjustmen tprocess is
complete before drivin goff.
Position of th esteering wheel when the
EASY-ENTRY/EXIT feature is active The steering whee
lswings upward swhen
you:
R remove th eSma rtKey from th eignition lock
R open th edriver' sdoor wit hthe KEYLESS-
GO start function in position 1
R open th edriver' sdoor and th eSmartKey is
in position 0or 1in th eignition lock
i The steering whee
lonlym oves upward sif
it has no talready reached th eupper end
stop.
Position of th esteering wheel for driv-
ing The steering whee
lismoved to th elast
selected position when you:
R close th edriver' sdoor and
R press th eStart/Sto pbutto nonce
When you close th edriver' sdoor wit hthe
ignition switched on ,the steering whee lis
also automatically moved to th epreviously
set position.
The last position of th esteering whee lis
store dafter eac hmanual setting or when you
store th esetting wit hthe memory function
(Y page 92). Steering wheel
89Seats,steering wheel and mirrors Z
Crash-responsive EASY-EXIT feature
If th
ecrash-responsiv eEASY-EXIT feature is
triggered in an accident, th esteering column
will mov eupwards when th edriver' sdoor is
opened. This occur sirrespective of th eposi-
tio noft heSmartKey in th eignition lock. This
makes it easier to exit th evehicle and rescue
th eo ccupants.
The crash-responsiv eEASY-EXIT feature is
only operational if th eEASY-EXIT/ENTRY fea-
tur eisa ctivated in th eon-board computer. Mirrors
Rear-view mirror
X
Anti-glar emode: flickanti-glare switch 0043
forwards or back. Exterior mirrors
Adjusting th eexterior mirrors G
WARNING
You coul dlose control of your vehicle if you do
th ef ollowin gwhile driving:
R adjust th edriver' sseat ,head restraint,
steering wheel or mirrors
R fasten th eseat belt
Ther eisar iskofana ccident.
Adjust th edriver' sseat ,head restraint ,steer-
ing wheel and mirror and fasten your seat belt before starting th eengine. G
WARNING
The exterior mirror on th efront-pa ssenger
side reduces th esizeoft heimage .Visible
object sare actually closer than they appear.
This mean sthaty ou coul dmisjudge th edis-
tance from road user straveling behind, e.g.
when changing lane .Ther eisar iskofana cci-
dent.
For this reason ,always mak esure of the
actual distanc efromt heroad user straveling
behin dbyg lancingovery our shoulder.
The convex exterior mirror sprovide alarger
fiel dofv ision.
The exterior mirror sare heated automatically
if th erear window defroste risswitched on
and th eoutside temperatur eislow. Mirror
heating last supto10m inutes.
i You can also heat up th
eexteri or mirrors
manually by switching on th erear window
defroster. X
Select ke yposition 1or 2wit hthe Start/
Stop button.
X Press button 0043for th eleft-hand exterior
mirror or button 0044for th eright-han dexte-
rior mirror.
The indicator lamp in th ecorres ponding
butto nlight supinr ed.
The indicator lamp goes out again after
som etime. You can adjust th eselected
mirror usin gadjustmen tbutton 0087as long
as th eindicator lamp is lit.
X Press adjustmen tbutton 0087up, down ,orto
th el eft or righ tuntil you have adjusted the
exterior mirror to th edesired position. You 90
MirrorsSeats, steerin
gwheel and mirrors
should have
agood overview of traffic con-
ditions.
Folding the exterior mirrors in or out
electrically X
Select key position 1or 2with the Start/
Stop button.
X Briefly press button 0085.
Both exterior mirrors fold in or out.
i Make sure that the exterior mirrors are
always folded out fully while the vehicle is in motion, as they may otherwise vibrate.
i If you are driving faster than 30 mph
(47 km/h), you can no longer fold in the
exterior mirrors.
Setting the exterior mirrors If the battery has been disconnected or com-
pletely discharged, the exterior mirrors must
be reset. The exterior mirrors will otherwise
not fold in when you select the "Fold in mir-
rors when locking" function in the on-board
computer (Y page 160).
X Select key position 1using the Start/Stop
button.
X Briefly press button 0085.
Folding the exterior mirrors in or out
automatically If the "Fold in mirrors when locking" function
is activated in the on-board computer
(Y page 160): R
the exterior mirrors fold in automaticallyas
soon as you lock the vehicle from the out-
side.
R the exterior mirrors fold out againa utomat-
ically as soon as you unlock the vehicle and
then open the driver's or front-passenger
door.
i The mirrors do not fold out if they have
been folded in manually.
Exterior mirror pushed out of position If an exterior mirror has been pushed out of
position, proceed as follows:
X Vehicles without electrically folding
exterior mirrors: move the exterior mirror
into the correct position manually.
X Vehicles with electrically folding exte-
rior mirrors: press and hold mirror-folding
button until you hear aclick and then the
mirrors engage in position (Y page 91).
The mirror housing is engaged againa nd
you can adjust the exterior mirrors as usual
(Y page 90). Automatic anti-glare mirrors
The rear-view mirror and the exterior mirror
on the driver's side automaticallygoi nto anti-
glare mode if the following conditions are met simultaneously:
R the ignition is switched on and
R incident light from headlamps strikes the
sensor in the rear-view mirror.
The mirrors do not go into anti-glare mode if
reverse gear is engaged. Parking position for the exterior mir-
ror on the front-passengers
ide
Setting and storing the parking position You can position the front-passenger side
exterior mirror in such away that you can see
the rear wheel on that side as soon as you Mirrors
91Seats, steering wheela nd mirrors Z