2011 MERCEDES-BENZ M-CLASS SUV seat adjustment

PRE-
SAFE®
inte rvenes:
R in emergenc ybraking situations ,e.g. if BAS
is activated or for vehicles with DISTRONIC
PLUS, BAS PLUS intervenes powerfully
R if the radar senso rsystem detects an immi-
nent dange rofcollision in cer tain situa-
tions (on vehicles with DISTRONIC PLUS)
R in critical drivin gsituations, e.g. when phys-
ical limits are exceed and the vehicle under-
steers or oversteers severely
PRE-SAFE ®
takes the following measures
depending on the hazardous situation detec-
ted:
R the fron tseat belts are pre- tensio ned.
R vehicles with the memory fun ction :it
adjust sthe front-pas senger seat if it is in
an unfavourable position.
R if th evehicle skids, th eslidin gsunroof/
panoram aslidin gsunroof and th eside win-
dows are closed so tha tonly asmall gap
remains.
If th ehazardous situatio npasses without
resulting in an accident ,PRE-SAFE ®
slackens
the belt pretensioning. All settings made by
PRE-SAFE ®
can then be reversed.
If the seat belts are not released:
X Move the backrest or seat back sligh tly, but
only when the vehicle is stationary.
The belt pretensionin gisreduced and the
locking mechanis misreleased. G
WARNING
When adjusting the seat, mak esure that
nobody can become trapped.
! Make sure that there are no objects in the
footwell or behind the seats when moving
the seat back. There is arisk that the seats
and/or the objects could be damaged.
More information abou tseat-belt adjust-
men t,ac onvenienc efunction integrated into
PRE-SAFE ®
,c an be found in the "Seat-belt
adjustment" section (Y page 48). Seat belts
Important safety notes Seat belts are the most effective means of
restraining the movemen
tofvehicle occu-
pant sint he even tofana ccident. This
reduce sthe risk of vehicle occupan ts coming
into contact with parts of the vehicl einterior. G
WARNING
As eat belt which is not worn correctly, or
which has not been engaged in the seat belt
buckle correctly, can notp erform its intended
protectiv efunction. Under certain circum-
stances, this could cause severe or even fatal
injuries in the event of an accident.
Make sure that all occupant s–inparticular,
pregnan twome n–w ear their seat belt cor-
rectly at all times.
R The seat belt must fit snugly on your body
and must no tbetwisted. Therefore, avoid
wearing bulky clothing, e.g. awinter coat.
The shoulder belt section must be routed
across the centre of your shoulder –onno
account across your neck or under your
arm –and pulled tight against your upper
body .The lap belt must always pass across
your lap as low down as possible, i.e. over
your hip join ts–n ot across your abdomen.
If necessary ,push down the belt strap
slightly and then retighten it in the roll-up
direction.
R Do not route the belt strap across sharp
edge sorfragil eobjects, especially if these
are located on or in your clothing, e.g. spec-
tacles, pens, keys, etc. The seat belt strap
could be damaged and tear in an accident,
and you or other vehicl eoccupants could
be injured.
R Onl yone person should use each sea tbelt
at any one time. Children must never travel
sittin gont he lap of other occupan ts.It
would not be possible to restrain the child
in the event of asudden change in direc-
tion, braking or an accident .This could 46
Occupant safetySafety

resul
tinsevereore ven fata linjuries to the
child and othe roccupants.
R Persons les sthan 1. 50mt all cannot wear
the seat belts correctly. For this reason,
secure persons less than 1.5 0mtall in spe-
cially designed, suitable restraint systems.
R Children less than 1.50 mtall or under 12
years of age cannot wear the seat belts
properly. Therefore, they should always be
secured in asuitable child restraint system
on asuitable vehicle seat. You can find
more information under "Children in the
vehicle" in the "Safety" section of the Own-
er's Manual. Follow the manufac turer's
installatio ninstructions whe nfitting achild
rest raint system.
R Do not secure any objects with aseat belt
if the seat belt is also being used by one of
the vehicle's occupants. G
WAR
NING
The seat belt doe snot offer the intended level
of protection unless the back rest is almost
ver tica l. Under certain circumstances, this
could cause severe or even fatal injuries in the
event of an accident.
Befor estarting ajourney, mak esure that the
seat is properly adjusted and that the back-
rest is almost vertical. G
WARNING
Ad irtyord amaged seat belt or aseat belt that
has been subjected to aload in an accident
or which has been modified no longer offers
the intended level of protection. Un dercertain
cir cumstances, this could caus esever eor
even fatal injuries in the even tofanaccident.
For thi sreason, check regularly that the seat
belts are not damaged or dirty.
Alway shaved am aged sea tbelts or seat belts
that have been subjected to aload in an acci-
dent replaced at aqualified specialist work-
shop. Consult aqualified specialist workshop
which has the necessary specialist knowledge
and tools to carry out the work required.
Mercedes -Benz recommends that you use a Mercedes-Benz Ser
vice Centre for thi spur-
pose.
For safety reasons, Mercedes -Benz recom-
mends that you only use seat belts which have
been approved by Mercedes-Benz for your
vehicle.
Fastening seat belts X
Adjust the seat and mov ethe backrest to
an almost ver tical position (Y page92).
X Pul lthe seat belt smoothly thr oughbelt
sash guide :.
X Without twistin git, guid ethe shoulder sec-
tion of the seat belt across the middle of
your shoulder and the lap section across
your hips.
X Engage belt tongue ;in buckle =.
Seat-belt adjustment :ifnecessary, the
driver' sand front-passenger sea tbelts
automatically adjust to the upper body
(Y page 48).
X If necessary, adjust the seat belt to the
appropriate height (Y page 48).
X If necessary, pull upwards on the shoulder
section of the seat belt to tighten the belt
across your body.
For mor einformation abou treleasing the seat
belt with release button ?,see "Releasing
seat belts" (Y page 48). Occupant safety
47Safety Z

Sea
tbelt adjustment The seat-belt adjustment func
tion adjusts the
driver's and front-passenger seat belt to the
upper body of the occupants.
The belt strap is tighte neds lightly when:
R you engage the belt tongue in the belt
buckle and you then turn the key to position
2 in the ignition lock.
R the key is in position 2in the ignition lock
and you then engage the belt tongue in the
buckle.
The seat-belt adjustment will apply acertain
tightening force if any slack is detected
between the occupant and the seat belt. Do
not hold on to the seat belt tightly while it is
adjusting. You can switc hthe seat-belt
adjustment on and off in the on-boar dcom-
puter (Y page 251).
The seat-belt adjustment is an integra lpart of
the PRE-SAFE ®
convenience function. More
information about PRE-SAFE ®
can be found
in the "PRE-SAFE ®
(preventative occupant
protection)" section (Y page 45).
Belt height adjustment You can adjust the seat belt height on the
driver' sseat and the front-passenger seat. Adjust the height so that the upper part of the
seat belt is routed across the centre of your
shoulder. X
To raise: slide the belt sash guide upwards.
The belt sash guide engages in various posi-
tions.
X To lower: press and hold belt sash guide
release :.
X Slide the belt sash guide downwards.
X Release belt sash guide release :and
mak esure that the belt sash guide has
engaged.
Releasing seat belts X
Press release button ?(Ypage 47) and
guide belt tongue ;back towards belt
sash guide :.
! Make sure that the seat belt is fully rolled
up. Otherwise, the seat belt or belt tongue
will be trapped in the door or in the seat
mechanism. This could damage the door,
the door trim panel and the seat belt. Dam-
aged seat belts can no longer fulfil their
protective function and must be replaced.
Consult aMercedes-Benz Servic eCentre.
Belt warning for driver and front
passenger The
7 seat belt warning lam pint he instru-
men tcluster is areminder for all occupants
to fasten their seat belts. It may light up con-
tinuously or flash. In addition ,there ma ybea
warning tone.
The 7 seat belt warning lamp goes out and
the warning tone ceases when the driver and
the front passenge rhave fastened their seat
belt.
For certain countries only: regardless of
whethe rthe driver or the front passenger
hav efastened their seat belts, the 7seat
belt warning lamp lights up for six seconds
after the engine is started. It then goes out if
the driver and the front passenger have fas-
tened their seat belts.
i For more information on the 7seat
belt warning lamp, see "Warning and indi- 48
Occupant safetySafety

Usefu
linfor mati on
i This Owner's Manual describes all models
and all standard and optional equipment
available to your vehicle at the time of pub-
lication of the Owner's Manual. Country-
specific deviation sare possible .Please
not ethat your vehicle ma ynot be equipped
with all featur es described. This also
applies to safety-releva ntsystems and
functions.
i Please read the information on qualified
specialist workshops (Y page 24).Correct driver'
sseatp osition Observ
ethe safety guideli neso nseat adjust-
men t(Ypage 93).
X Chec kwhether you hav eadjusted seat =
properly.
Electrical seat adjustment (Y page 94)
When adjusting the seat, mak esure 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 fasten the seat belt properly. R
you have moved the backrest to an
almost vertical position.
R you have set the seat angle so that your
thighs ar egently supported.
R you can depress the pedals properly.
X Check whether the head restraint is adjus-
ted properly (Y page 94).
When doing so, mak esure that you have
adjusted the head restraint so that the back
of your head is supported at eye level by
the centre of the head restraint .Also make
sure that the head restraint's fore-and-aft
position is not too far from the bac kofthe
head.
Observ ethe safety guidelines on steering
wheel adjustment (Y page 98).
X Chec kwhether steering wheel :is adjus-
ted properly.
Adjusti ngthe steering whee lmanually
(Y page 98)
Adjustin gthe steering wheel electrically
(Y page 98)
When adjustin gthe steering wheel, make
sur ethat:
R you can hold the steering wheel with your
arms slightl ybent.
R you can mov eyour legs freely.
R you can see all the displays in the instru-
men tcluster clearly.
Observe the safety guidelines for seat belts
(Y page 46).
X Check whether you have fastened seat
belt ;properly (Y page 47).
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 Befor estartin goff, adjus tthe rear-vie wmir-
ror and the exterior mirrors (Y page 100)92
Correct driver's seat positionSeats, steerin
gwhee land mirrors

!
When the rear bench seat is folded for-
wards, the front seats cannot be moved to
their rearmost position. You could other-
wise damage the seats and the rear bench
seat.
! Make sure that the sun visor is folded up
befor eadjustin gthe backrest and head
restraint height. The head restraint and sun
viso rcould otherwise collide when the head
restraint is fully extended.
i It is not possible to remove thehead
restraint sfrom th efront seats .The rear-
compartment head restraint scan be
removed (Y page 96).
Pleas econtact aMercedes-Ben zService
Centre for mor einformation.
i Related topics:
R Luggag ecompartmen tenlargement
(folding dow nthe rea rbench seat) Adjusting the seat
selectrically :
Head restraint height
; Seat cushion angle
= Seat height
? Seat fore-and-aft adjustment
A Backrest angle
i Vehicles with memory function :ifP RE-
SAFE ®
has been triggered ,the front-
passenger seat will be moved to abetter
position if it was previously in an unfavour-
able position. i
You can store the seat settings using the
memory function (Y page 103).
i Vehicles with memory function :when the
seat is moved forwards or rearwards, the
headrest is moved up or down automati-
cally. Adjusting th
ehead restraints
Adjusting the head restraints manually Adjusting the head restraint height
! The head restraints must only be removed
at aq ualified special istw orkshop.
Mercedes-Benz recommends that you use
aM ercedes-Ben zService Centre for this
purpose. X
To raise: pull the head restraint up to the
desired position.
X To lower: press release catch :in the
direction of the arrow and push the head
restraint down to the desired position. 94
SeatsSeats, steering wheel and mirrors

Adjusting th
efore/af tposit ionoft he
head restraint With this functio
nyou can adjust th edistance
between th ehead restraint and th eback of
the seat occupant' shead.
X To adjust forwards: pull thehead restraint
forwards in th edirection of th earrow until
it engages.
There are se veral notches.
X To adjust rearwards: pressand hol dthe
re lease button :and push th ehead
restraint back.
X When th ehead restraint is in th edesired
position ,release th ebutton and make sure
th at the head restraint is engage dinposi-
tion.
Adjusting th ehead restraints electri-
cally X
To adjust the head restraint height: slide
the switch for head restrain tadjustment
(Y page 94 )upord own in the direction of
the arrow. Rea
rseat head restraints Adjusting the rear seat head restraint
height
X
If the head restrain tisf ully lowered, it is
necessary to press release catch :.
X To raise: pull the head restraint up to the
desired position.
X To lower: press release catch :and push
the head restraint down until it is in the
desired position.
Adjusting the rear seat head restraint
angle
Adjust the head restraint ssothat they ar eas
clos easp ossible to your head.
You can only adjust the two outer head
rest raints. X
Using both hands, reach back and grasp
the sides of the head restraint.
X Pull the lower edge of the head restraint
forwards or back until it is in the desired
position. Seats
95Seats,steerin gwhee land mirrors Z

Problems wit
hthe seat ventilation Th
es eat ven tilation has switched off prema-
turely or cannot be switched on. The vehicle's
electrical system voltage is too low because
too many electrical consumer sare switched
on.
X Switch off electrica lconsumers which you
do not need, such as the rea rwindow heat-
ing or interior lighting. Steering wheel
Important safet
ynotes G
WARNING
The electrically adjustable steering wheel can
still be adjusted when there is no key in the
ignition lock. Therefore, do not leave children
unsupervised in the vehicle, as they could
become trapped if the steering wheel is adjus-
ted. G
WARNING
Only adjust the steering wheel when the vehi-
cle is stationar yand do not pull away until the
steering wheel adjustment mechanis mis
locked in position. You might otherwise drive
without the steering wheel adjustment mech-
anism being locked in position. As aresult,
you could be distracted from road and traffic
condition sbyanunintentional movement of
the steering wheel and thereby cause an acci-
dent.
However, the steerability of the vehicl eisnot
affected. Adjusting th
esteerin gwheel man-
ually :
Release lever
; To adjus tthe steering wheel height
= To adjust the steering wheel position
(fore-and-af tadjustment)
X Push release lever :down completely.
The steerin gcolum nisu nlocked.
X Adjus tthe steering wheel to the desired
position.
X Push release lever :up completely.
The steering column is locked.
X Chec kifthe steering column is locked.
When doing so, tr ytopush the steering
wheel up or down or try to move it in the
fore-and-aft direction. Adjusting the steering wheel electri-
cally
:
To adjust the steering wheel height
; To adjust the steering wheel position
(fore-and-aft adjustment) 98
Steering wheelSeats, steerin
gwhee land mirrors

i
Related topics:
R EASY-ENTRY/EXI Tfeature
(Y page 99)
R Storing setting s(Ypage 103) Steering whee
lheating
Activating/deactivating X
Mak esuret hat the key is in position 2in
th ei gnition lock.
X To switch on/off: turnthe lever in the
direction of arrow :or;.
Indicato rlamp =lights up or goes out.
Vehicles without KEYLESS-GO: when you
remove the key from the ignition ,the steering
wheel heating is switched off.
Vehicles with KEYL ESS-GO:when you switch
off the ignition and open the driver's door, the
steering wheel heating is switched off.
Problems wit hthe steering whee lheat-
ing The steering wheel heating has switched off
prematurely or cannot be switched on. The
vehicle's electrical system voltage is too low
because too many electrical consumer sare
switche don.
X Switch off electrical consumers which you
do not need ,such as the rear window heat-
ing or interior lighting. EASY-ENTRY/EXIT featu
re
Important safety notes The EASY-ENTRY/EXI
Tfeatur emakes getting
in and out of your vehicle easier.
You can activate and deactivate the EASY-
ENTRY/EXIT feature in the on-board com-
puter (Y page 251). G
WARNING
Make sure that nobody can become trapped
when you activate the EASY-ENTRY/EXI Tfea-
ture.
If there is arisk of someone becoming trap-
ped, stop the adjustment procedure. To halt
the procedure:
R press the steering column adjustment but-
ton.
R briefly press one of the memor yfunction
position buttons.
The steering column stops moving immedi-
ately.
Do not keep the memory function position
button presse ddown, otherwise the memory
function will star tand the steering wheel and
sea twill begin to move.
Never leave children unsupervised in the vehi-
cle. They could open the driver's door and
thereby unintentionally activate the EASY-
ENTRY featur eand become trapped.
Positio nofthe steering whee lwhen the
EAS Y-ENTRY/EXIT featur eisactive The steerin
gwheel tilt supwards if you:
R remove the key from the ignition lock
R open the driver' sdoor and KEYLESS -GOis
in position 1
R open the driver's door and the key is in
position 0or 1in the ignition lock
i The steerin gwheel only moves upwards if
it has not already reached the upper end
stop. Steering wheel
99Seats,steering wheeland mirror s Z