The seat belt should:
R fit snugly across your body
R be routed across the middle of your shoul-
der
R be routed across your hips in the pelvic
area
X Before starting off, adjust the rear-view mir-
ror and the exterior mirrors so that you
have agood view of road and traffic condi-
tions (Y page 136).
X Vehicles with amemor yfunction: save
the seat, steerin gwheel and exterior mirror
settings with the memory function
(Y page 139). Seats
Important safety notes
G
WARNING
If children adjust the seats, they could
become trapped, especially if they are unat-
tended. There is arisk of injury.
When leaving the vehicle, alway stake the key
with you and lock the vehicle. Never leave
children unattended in the vehicle.
The seats can still be adjusted when there is
no key in the ignition lock. G
WARNING
The head restraints cannot provide the inten-
ded protection unless they are fitted and
adjusted correctly. There is an increased risk of injury to the head and neck in the event of
an accident or sudden braking, for example.
Always drive with the head restraints fitted.
Ensure that the centre of the head restraints
support the back of each vehicle occupant's
head at eye level before driving off.
Observe the safety notes on "Airbags"
(Y page 50) and "Children in the vehicle"
(Y page 58). G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steerin gwheel or
mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheel and mirrors and fasten your seat
belt before starting the engine. G
WARNING
If you adjust the seat height carelessly, you or other vehicle occupant scould be trapped and
thereby injured. Children in particular could
accidentally press the electrical seat adjust-
ment button sand 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 adjustmen tsys-
tem. G
WARNING
When adjusting aseat, you or another vehicle
occupant could become trapped by the guide rail of the seat, for instance. There is arisk of
injury.
Make sure that no one has any part of their
body within the sweep of the seat when
adjusting it.
! To avoid damage to the seats and the seat
heating, observe the following information:
R do not spill any liquids on the seats. If
liquid is spilled 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
heating should also not be used to dry
the seats.
R clean the seat covers as recommended;
see "Interior care".
R do not transport heavy loads on the
seats. Do not place sharp object sonthe Seats
123Seats, steering wheel and mirrors Z
?
Sea tfore-and-aft adjustment
A Backrest angle
i Vehicles with memory function: if PRE-
SAFE ®
is activate dand the front-passenger
sea tisinanu nfavourable position, it is
move dtoab etter position.
i Yo
uc an store the sea tsettings using the
memory function (Y page 139).
i Vehicles with the through-loading feature
and memory function: if yo ufoldd owna
rea rseatb ackrest, the respective front
sea tism ovedforward sslightl yifneces-
sary.
i Vehicles with memory function: when the
sea tism ovedforward sorbackwards ,the
headrest is move dupordowna utomati-
cally. Adjustin
gthe hea drestraints
Important safety notes G
WARNING
Yo uc ould lose contro lofthe vehicl ewhile
driving if you:
R adjus tthe driver' sseat, steering wheel or
mirrors
R fasten the sea tbelt
There is ariskofana ccident.
Adjust the driver' sseat, hea drestraint, steer-
ing wheel and mirrors and fasten your seat
belt before starting the engine. G
WARNING
The hea drestraints canno tprovid ethe inten-
de dp rotectio nunless they are fitte dand
adjusted correctly .There is an increased risk
of injury to the hea dand neck in the event of
an accident or sudden braking, for example.
Alway sdrive with the hea drestraints fitted.
Ensur ethatthe centre of the hea drestraints
support the back of each vehicl eoccupant's
hea date yelevel before driving off. Do not interchange the hea
drestraints of the
front and rea rseats. Otherwise, yo uwilln ot
be able to adjus tthe height and angle of the
hea drestraints to the correct position.
Adjust the hea drestraint fore-and-aft posi-
tion so tha titisasc lose as possible to the
back of your head.
Observe the important safety notes regarding the seats (Y page 123).
Adjustin gthe hea drestraints manually Adjustin
gthe hea drestrain theight Vehicles withou
tRearS eatE ntertainment System Vehicles with Rear Sea
tEntertainment System
X To raise: pull the hea drestraint up to the
desired position.
X To lower: press release catch :in the
direction of the arrow and push the head
restraint dow ntothe desired position. Seats
125Seats, steering whee land mirrors Z
X
To raise: pull the hea drestraint up to the
desired height.
X To lower: press release catch :and push
the hea drestraint down unti litisinthe
desired position. Luxur
yheadr estraints (vehicle swithl uxuryi ndi-
vidua lrea rs eats)
On certain vehicles, onl ythe outer head
restraints ar eheight-adjustable.
X To raise: pull the hea drestraint up to the
desired height.
X To lower: press release catch :and push
the hea drestraint down unti litisinthe
desired position.
i If yo
upullt he hea drestraint forward
slightly, less effort is required to adjus tit.
Adjusting the rear seat hea drestraint
angle X
Pull or push the top of the hea drestraint
unti litisint he desired position. Removing and fitting the rear seat head
restraints G
WARNING
The hea drestraints canno tprovid ethe inten-
de dp rotection unless they ar efitte dand
adjusted correctly. There is an increased risk of injury to the hea dand neck in the event of
an accident or sudden braking ,for example.
Alway sdrive with the hea drestraints fitted.
Ensure tha tthe centre of the hea drestraints
support the back of each vehicl eoccupant's
hea date yelevel before driving off. Yo
uc an onl yremove and refit the rea rhead
restraints on vehicles with athrough-loading
facility.
X Releas ethe rea rseatb ackres tand fol dit
slightl yforwards (Y page 348)(Saloon) or
(Y page 349 )(Estate).
X To remove: pull the headrestraint up to
the stop.
X Press release catch :and pull the head
restraint ou tofthe guides.
X To refit: insert the hea drestraint so that
the notche sonthe barappea ront he left
when viewe dinthe direction of travel.
X Push the hea drestraint down unti litaudi-
bl ye ngages in position.
X Fol db ackt he rea rseatb ackres tuntilit
engages. Seats
127Seats, steering wheel andmirrors Z
Adjusting th
emulticontour seat :
To adjust th ethigh cushion
; To adjust th ebackrest contour in th elum-
bar region
= To adjust th ebackrest contour in the
upper bac kregion
? To adjust th eside bolsters of th eseat
backrest
You can adjust th econtou rofthefron tseat
individually so as to provide optimum support
for your bac kand sides.
X Turn th ekeyto position 2in th eignition
loc k(Ypage 179). Adjusting th
eactive multicontour
seat
You can adjust th eactive multicontour seat
usin gCOMAND Onlin eorAudio 20 .You can
fin df urther information in th eseparate
COMAND Onlin eorAudio 20 operating
instructions. Adjusting th
e4-wa ylumbar support :
To rais ethe backrest contour
; To softe nthe backrest contour
= To lower th ebackrest contour
? To harden th ebackrest contour
You can adjust th econtou rofthefron tseat
backrest sindividually to provide optimum
support for your back. Folding bench sea
tintheluggage
compartmen t(Estate)
Important safety notes G
WARNING
If th ebackrest softherear bench seat are not
locke dintheupright position ,the backrest
may fol ddown while driving. In this case, the
seatbelt may no tperfor mitsintended protec-
tive function .This poses an increased ris kof
injury.
Mak esuret hatthe backrest softherear
bench seat are locke dintheupright position.
The foldin gbench seat in th eluggag ecom-
partmen tisonlys uitable for person snomore
than 1.40 mtalla nd weighing amaximum of
50 kg.
observ ethe loadin gguidelines (Y page 342).
The maximum permissible weigh tavailable
for passenger smay be reduce dby:
R extensive optional extras
R vehicl eload
R towin gatrailer 128
SeatsSeats
,steering wheel and mirrors
X
Pull the seat cushion upwards by tab :
and fold it back into its original position
until it engages. X
Press release button :and fold the head
restraints down.
! In order to avoid causing damage, push
the head restraints completely into their
guides and click the seat belt buckles into
their guides. X
Press release button :and push the head
restraints all the way in.
X Fold backrest ;of the folding bench seat
into its original position until it engages. Switching the seat heating on/off
Switching on/off G
WARNING
If you repeatedly switch on seat heating, the
seat cushion and backrest padding may
become very hot. The health of vehicle occu-
pants with limited temperature sensitivity or a limited ability to react to excessively high
temperatures may be affected or they may
even suffer burn-lik einjuries. There is arisk of
injury.
Therefore, do not switch on the seat heating
repeatedly. Driver's and front-passenger seat
Rear seats
The three red indicator lamps in the button
indicate the heating level you have selected.
Driver's and front-passenger seat: the sys-
tem automatically switches from level 3to
level 2after approximately eight minutes.
Rear seats: the system automatically
switches from level 3to level 2after approx-
imately five minutes.
The system automatically switches from level
2 to level 1after approximately ten minutes.
The system automatically switches off
approximately 20 minutes after it is set to
level 1. 130
SeatsSeats, steering wheel and mirrors
Problems with the seat ventilation
Problem
Possible causes/consequences and
M
MSolutions The seat ventilation has
switched off prema-
turely or cannot be
switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the seat ventilation will
switch back on automatically. Steering wheel
Important safety notes
G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, 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 mirrors and fasten your seat
belt before startingt he engine. G
WARNING
Children could become trapped by the steer-
ing wheel if they adjust it. There is arisk of
injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle.
The electrically adjustable steering wheel can
still be adjusted when there is no key in the
ignition lock. Adjusting the steering wheel man-
ually
G
WARNING
The steering wheel may move unexpectedly if you adjust it while driving. This could cause you to lose control of the vehicle. There is a
risk of an accident.
Make sure that the steering wheel is locked
before driving off. Never unlock the steering
wheel when the vehicle is in motion.
:
Release lever
; To adjust the steering wheel height
= To adjust the steering wheel position
(fore-and-aft adjustment)
X Push release lever :down completely.
The steering column is unlocked.
X Adjust the steering wheel to the desired
position.
X Push release lever :up completely.
The steering column is locked.
X Check if the steering column is locked.
When doing so, try to push the steering
wheel up or down or try to move it in the
fore-and-aft direction. Steering wheel
133Seats, steering wheela nd mirrors Z
Problems with the steering wheel heating
Problem
Possible causes/consequences and
M
MSolutions The steering wheel
heating has switched
itself off prematurely or
cannot be switched on. The on-board voltage is too low because too many electrical con-
sumers are switched on.
X Switch off electrical consumers that you do not need, such as
the rear window heating or interior lighting.
Once the battery is sufficiently charged, the steering wheel
heating will switch back on automatically. EASY-ENTRY/EXIT feature
Important safety notes G
WARNING
When the EASY-ENTRY/EXIT feature adjusts
the steering wheel, you and other vehicle
occupants –particularly children –could
become trapped. There is arisk of injury.
While the EASY-ENTRY/EXIT feature is mak-
ing adjustments, make sure that no one has
any body parts in the sweep of the steering
wheel.
Move the steering wheel adjustment lever if
there is arisk of entrapment by the steering
wheel. The adjustment process is stopped.
Vehicles with amemory function: if there is a
risk of becoming trapped by the steering
wheel, you can also press one of the memory
function position buttons.T he adjustment
process is stopped. G
WARNING
If children activate the EASY-ENTRY/EXIT fea- ture, they can become trapped, particularly
when unattended. There is arisk of injury.
When leaving the vehicle, always take the key with you and lock the vehicle. Never leave
children unattended in the vehicle. G
WARNING
If you drive off while the EASY-ENTRY/EXIT
feature is making adjustments, you could lose
control of the vehicle. There is arisk of an
accident. Always wait until the adjustment process is
complete before driving off.
The EASY-ENTRY/EXIT feature makes getting in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXI Tfeature in the on-board com-
puter (Y page 294).
Position of the steering wheel when the
EASY-ENTRY/EXIT featureisa ctive The steering wheel tilts upwards if you:
R remove the key from the ignition lock
R with KEYLESS-GO: open the driver's door;
KEYLESS-GO must be in position 1
R with the key: open the driver's door; the
key must be in position 0or 1in the ignition
lock (Y page 179)
i The steering wheel only moves upwards if
it has not already reached the upper stop.
Position of the steering wheel for driv-
ing The steering wheel is moved to the previously
set position if:
R the driver's door is closed and
R with KEYLESS-GO: you press the Start/
Stop button once
or
R with the key: you insert the key into the
ignition lock Steering wheel
135Seats, steering wheela nd mirrors Z
If you close the driver's door with the key
inserted in the ignition lock, the steering
wheelisa utomaticall ymoved to the previ-
ouslys et position.
The last positio nofthe steering wheelis
stored when you switch off the ignition or
when you store the setting with the memory
function (Y page 139).
Crash-responsive EASY-EXIT feature If the crash-responsive EASY-EXIT feature is
triggered in an accident, the steering column
willm ove upwards when the driver's door is
opened. This occurs irrespective of the posi-
tion of the key in the ignition lock. This makes it easier to exit the vehicle and rescue the
occupants.
The crash-responsive EASY-EXIT feature is
only operational if the EASY-EXIT/ENTRY fea-
ture is activated in the on-board computer
(Y page 294). Mirrors
Rear-view mirror
X
Anti-dazzle mode: pivot anti-dazzle
switch :forward sorback. Exterio
rmirrors
Adjusting the exterio rmirrors G
WARNING
You could lose control of the vehicle while
driving if you:
R adjust the driver's seat, steering wheelor
mirrors
R fasten the seat belt
There is arisk of an accident.
Adjust the driver's seat, head restraint, steer-
ing wheela nd mirrors and fasten yours eat
belt before starting the engine. G
WARNING
The exterior mirrors reduce the size of the
image.O bjects visible in the mirrors are
closer than they appear. You could misjudge
the distance from road users driving behind
you when changing lanes, for instance. There is ar isk of an accident.
You shouldt herefore always look over your
shoulder to determine the actual distance
from road users driving behind you. X
Turn the key to position 1or 2in the ignition
(Y page 179).
X Press button :for the left-hand exterior
mirror or button ;for the right-hand exte-
rior mirror.
The indicator lamp in the corresponding
button lights up in red.
The indicator lamp goes out again after
some time. You can adjustt he selected136
MirrorsSeats, steeringw
heel and mirrors