
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

side inoperative See Owner's Manual
is dis‐
pla yed (→ page 446). Children in
theve hicle Note
s onthe safe transportation of children &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If yo u lea vechildren unat tended in theve hi‐
cle, they may be able toset theve hicle in
motion, forex ample by:
R Releasing the parking brake.
R Shifting the automatic transmission out
of park position jor shifting the manual
transmission into neutral.
R Starting the engine.
In addition, they may operate vehicle equip‐
ment. #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle.
This also applies tomobile phones if the
"Digital Car Key in the smartphone"
function is activated via the Mercedes
connect me web app. &
WARNING This poses an increased risk
of death due toheat strokeorexposure
to cold in theve hicle
If persons – particularly children – ‑ experi‐
ence prolonged exposure toextremely high
or low temp eratures, this poses a risk of
injury or evenfa ta l injur y. #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. &
WARNING Risk of bu rns when thech ild
seat is exposed todirect sunlight
If th ech ild restra int sy stem is exposed to
direct sunlight or heat, parts could heat up. Children could suf
fer burns on these parts,
particularly on me tallic parts of thech ild
re stra int sy stem. #
Alw ays make sure that thech ild
re stra int sy stem is not exposed to
direct sunlight. #
Protect it with a blank et,fo rex ample. #
Ifth ech ild restra int sy stem has been
ex posed todirect sunlight, allow it to
cool before secu ring a child into it. #
Never lea vechildren unat tended in the
ve hicle. To
impr oveprotection forch ildren younger than
12 years old and under 1.50 m in height,
Mercedes-Benz recommends you obse rvethe
fo llowing no tes:
R Only secure children using a child restra int
sy stem which is suitable and recommended
fo r Mercedes-Benz vehicles, as well as appro‐
priate tothe height, age and weight of the
ch ild. Be sure toobser vethe instructions for
cor rect use of thech ild restra int sy stem. Occupant saf
ety45

opens again slightl
y.The automatic obs tacle
de tection wi threve rsing function is only an aid.
It is not a substitute foryo ur attentiveness when
closing theta ilgate. #
When closing, make sure that no body parts
are in the closing area. &
WARNING Risk of becoming trapped
despi tereve rsing function
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. fingers.
R overth e last 8 mm of the closing path.
In these situations in particular, there ve rsing
function cannot pr event someone being trap‐
ped. #
When closing, ma kesure that no body
parts are in the closing area.
If someone is trapped:
R press thep button on theke y,or
R press or pull there mo teoperating switch
on the driver's door, or R
press the closing or locking button on the
ta ilgate, or
R Pull theta ilgate handle. HANDS-FREE
ACCESS function Wi
th HANDS-FREE ACCESS you can open, close
or stop the closing process of theta ilgate by per
form ing a kicking mo vement under there ar
bumper.
The kicking mo vement triggers the opening or
closing process alternatel y.
Obser vethe no tes when opening (→ page73)
and closing (→ page74)th eta ilgate.
% Twowa rning tones sound when thetai lgate
is opening or closing. &
WARNING Risk of bu rns caused bya hot
ex haust sy stem
The vehicle exhaust sy stem can become very
hot. If you use HANDS-FREE ACCESS, you
could bu rnyourself by touching theex haust
sy stem. #
Alw ays ensure that you on ly ma ke a
kicking mo vement within the de tection
ra nge of the sensors. *
NO
TEVehicle damage due tounin ten‐
tional opening of theta ilgate R
when using an automatic car wash 76
Opening and closing

#
If someone is trapped, release the but‐
to n immedia tely or press the button in
order toreopen the side windo w. &
WARNING Risk of becoming trapped
when children opera tethe side windo ws
Children could become trapped if they oper‐
ate the side windo ws, particularly when unat‐
te nded. #
Activate theove rride feature forthe
re ar side wind ows. #
When leaving theve hicle, alw aysta ke
th eke y with you and lock theve hicle. #
Never lea vechildren unat tended in the
ve hicle. 1
Toclose
2 Toopen
The buttons in the driver's door take prece‐
dence. #
Tostart automatic operation: press/pull
th eW button be yond the pressure point. #
Tointer rupt automatic operation: press or
pull theW button again. Au
tomatic reve rsing function for the side
windo ws
If an object bloc ksa side wind owduring the
closing process, the side window opens again
automaticall y.The automatic reve rsing function
is only an aid and is not a substitute foryo ur
attentiveness. #
When closing, make sure that no body parts
are in the closing area. &
WARNING Risk of becoming trapped
despi tethere being reve rsing pr otection
on the side window
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. small
fi ngers
R overth e last 4 mm of the closing path
R during resetting
R when closing the side window again man‐
ually immediately af ter auto matic reve rs‐
ing 80
Opening and closing

#
Tointer rupt convenience closing: release
th e& button. %
Con venience closing can also be operated
wi th KEYLESS-GO (→ page 70).Problems with
the side windo ws Problem
Possible causes/consequences and M
M Solutions
A side window cann otbe closed and
yo u cannot see the cause. #
Check tosee if any objects are in the window guide.
& WARNING Risk of entrapment if reve rsing pr otection is not activated
If yo u close a side wind owagain immediately af ter it has been bloc ked or reset, the side window closes
with increased or maximum forc e. The reve rsing feature is then not active.
Pa rts of the body could be trapped in the closing area in the process. #
Make sure that no parts of the body are in the closing area. #
Tostop the closing process, release the button or press the button again toreopen the side win‐
do w. If a side window is obstructed during closing and
reopens again slightly: #
Immediately af terth e window bloc ks, pull the cor responding button again until the side window has
closed, and hold the button for an additional second.
The side window is closed with increased forc e.
If a side window is obstructed again during closing and reopens again slightly: 82
Opening and closing

&
WARNING Risk of entrapment even wi th
th ere ve rsing feature active
The reve rsing function does not react:
R tosoft, light and thin objects, e.g. small
fi ngers
R during the last 4 mm of the closing path
R during resetting
R when closing the sliding sunroof again
manually immediately af ter auto matic
re ve rsing
This means that there ve rsing feature cannot
pr eve nt someone being trapped in these sit‐
uations. #
When closing, make sure that no body
parts are in the closing area. #
Release the switch immediately if
somebody becomes trapped.
or #
Press the switch in any direction during
th e automatic closing process.
The closing process is stopped. Au
tomatic reve rsing function of thero ller
sunblind
If th ere is an object obstructing thero ller sun‐
blind during the closing process, thero ller sun‐
blind opens again automaticall y.The automatic
re ve rsing function is only an aid and is not a sub‐
st itute foryo ur attentiveness. #
When opening or closing thero ller sunblind,
make sure that no body parts are in the
sweep. &
WARNING Risk of becoming trapped
despi tethere ve rsing function being
active
In particular, there ve rsing function does not
re act tosoft, light and thin objects, e.g. small
fi ngers.
This means that there ve rsing function can‐
not pr event entrapment in these situations. #
When opening or closing thero ller sun‐
blind, make sure that no body parts are
in the sweep. #
Release the button immediately if
somebody becomes trapped. or
#
Press the button in any direction during
th e automatic closing process.
The closing process is stopped. Au
tomatic features of the sliding sunroof %
The term "sliding sun roof" also refers to the
panoramic sliding sunroof.
By pushing or pulling the3 button you can
inter rupt the automatic functions: "Rain closing
function when driving " and "Automatic lo wering
fe ature".
Au tomatic closing when the vehicle is sta‐
tionary
R If it starts torain (de tected bythera in sensor
on the windscreen)
R Atextreme outside temp eratures
R After six hours
R Ifth ere is a malfunction in the po wer supply
The rear of the sliding sunroof is then raised. Opening and closing
85

Ra
in closing function when driving
Ve hicles with a panoramic sliding sunroof: if
it starts torain, thera ised sliding sunroof is
automatically lo wered while theve hicle is in
motion.
Au tomatic lo weringfeature
Ve hicles with a panoramic sliding sunroof: if
th e sliding sunroof is raised at there ar, the slid‐
ing sunroof is automatically lo wered slightly at
higher speeds. Atlow speeds it is raised again
automaticall y. &
WARNING Risk of entrapment byauto‐
matic lo wering of the sliding sunroof
At high speeds thera ised sliding sunroof
automatically lo wersslightly at there ar.
This could trap you or other persons. #
Make sure that nobody reaches into the
sweep of the sliding sunroof whilst the
ve hicle is in motion. #
If somebody becomes trapped, immedi‐
ately pull back the sliding sunroof
switch.
The sliding sunroof lifts during opening. Problems with
the sliding sunroof %
The term "sliding sun roof" also refers to the
panoramic sliding sunroof. Problem
Possible causes/consequences and M MSolutions
The sliding sunroof cann otbe closed
and you cannot see the cause. &
WARNING Risk of entrapment byclosing the sliding sunroof again
If yo u close the sliding sunroof again immediately af ter it has been bloc ked or reset, the sliding sunroof
closes with increased or maximum forc e.
The reve rsing feature is then not active. Parts of the body could be trapped in the closing area in the
process. This poses an increased risk of injury or evenfa ta l injur y. #
Make sure that no parts of the body are in the closing area. #
Release the switch immediately if somebody becomes trapped.
or 86
Opening and closing

Cor
rect driver's seat position &
WARNING Risk of inju rythro ugh adjust‐
ing vehicle settings while theve hicle is in
motion
Yo u could lose cont rol of theve hicle in the
fo llowing situations:
R ifyo u adjust the driver's seat, the head
re stra ints, thesteering wheel or the mir‐
ro r while theve hicle is in motion
R ifyo ufast enyour seat belt while theve hi‐
cle is in motion #
Before starting the engine: adjust the
driver's seat, the head restra ints, the
st eering wheel or the mir ror and fasten
yo ur seat belt. Obser
vethefo llowing when adjusting steering
wheel 1, seat belt 2and driver's seat 3:
R you are as faraw ay from the driver's airbag
as possible
R you are sitting in a no rmal upright position
R your thighs are slight lysuppor tedby the seat
cushion R
your legs are not entirely stre tched and you
can dep ress the pedals properly
R the back of your head is suppo rted at eye
le ve lby the cent reofthe head restra int
R you can hold thesteering wheel with your
arms slightly bent
R you can mo veyour legs freely
R you can see all the displa ysinthe instrument
clus ter clea rly
R you should ha vea good overview of traf fic
conditions
R the seat belt is pulled snugly against the
body and must be routed across the cent re
of your shoulder and across your hips in the
pelvic area 90
Seats and stowing