Page 69 of 541
Problem
Possible causes/consequences and M
MSolutions
R The key is faulty. #
Activate KEYLESS-GO . #
Check the battery using the battery check lamp and replace if necessary . #
Use the emer gency keyto lock or unlock theve hicle . #
Have theve hicle and keych ecked at a qualified specialist workshop. Switching
the automatic locking feature
on/off The
vehicle is loc ked automatically when the
ignition is switched on and the wheels are turn‐
ing fast erthan walking pace. #
Todeactivate: press and hold button 1for
appr oximately five seconds until an acoustic
signal sounds. #
Toactivate: press and hold button 2for
appr oximately five seconds until an acoustic
signal sounds.
Danger of being loc ked out when the function is
activated:
R Ifth eve hicle is being tow star ted/pushed.
R On a roller dynamome ter. 66
Opening and closing
Page 88 of 541

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 Seats and
stowing 85
Page 92 of 541
#
Toselect the front passenger seat: press
button 1.
When the indicator lamp lights up, the front
passenger seat is selected. #
Adjust the front passenger seat using the
buttons in the door control panel on the driv‐
er's side. Ad
justing the 4-w aylumbar support 1
Toraise
2 Tosof ten
3 Tolower
4 Toharden #
Using buttons 1to4 , adjust the conto ur
of the backrest individually tosuit your bac k. Head
restra ints Ad
justing the head restra ints on the front
seats &
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. Seats and
stowing 89
Page 98 of 541

#
Toswitch off/reduce the le vel:press but‐
to n1 repeatedly until the desired heating
le ve l is set.
If all indicator lamps are off, the seat heater
is switched off.
% The seat heater automatically switches down
from theth re e heating le vels af ter 8, 10and
20 minutes until the seat heater is switched
off. Setting
the panel heating Multimedia sy
stem:
, Vehicle .
î Vehicle set-
tings .
Panel heating
When the seat heater is switched on, the armr‐
ests in theve hicle as well as the cent reconsole
can be hea ted using this function.
Setting options #
Select Front only orOff. Switching
the seat ventilation on/off Re
quirement:
R the po wer supp lyis switched on #
Toswitch on/increase the le vel:press but‐
to n1 repeatedly until the desired ventila‐
tion le vel is set.
Depending on theve ntilation le vel, up to
th re e indicator lamps light up. #
Toswitch off/reduce the le vel:press but‐
to n1 repeatedly until the desired ventila‐
tion le vel is set.
If all indicator lamps are off, the seat ventila‐
tion is switched off. Ste
ering wheel Ad
justing the steering wheel manually &
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 Seats and
stowing 95
Page 99 of 541

st
eering wheel or the mir ror and fasten
yo ur seat belt. &
WARNING Risk of entrapment forch il‐
dren when adjusting thesteering wheel
Children could injure themselves if they
adjust thesteering wheel. #
Never lea vechildren unat tended in the
ve 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. #
Tounlo ckthest eering column: push
re lease le ver1 down comple tely. #
Adjust height 2and di stance tosteering
wheel 3. #
Tolock thest eering column: pushrelease
le ve r1 up as far as it will go. #
Check and make sure that thesteering col‐
umn is loc kedby moving thesteering wheel. Ad
justing the steering wheel electrically The
steering wheel can be adjus ted when the
ignition is switched off. 1
Adjusts the dis tance tothesteering wheel
2 Adjusts the height #
Save the settings with the memory function
(→ page 98). 96
Seats and stowing
Page 100 of 541

Switching
thest eering wheel heater on/off 1
Toswitch on
2 Toswitch off
3 Indicator lamp Easy entry and
exitfeature How
the easy entry and exitfeature operates &
WARNING Risk of accident when pulling
aw ay during the adjustment process of
th e easy exitfeature
‑ If you pull away while the easy entry and
ex itfeature is making adjustments, you could
lose cont rol of theve hicle. #
Alw ayswa it until the adjustment proc‐
ess is comple tebefore pulling away. &
WARNING Risk of becoming trapped
while adjusting the easy entry andexit
fe ature
When the easy entry andexitfeature adjusts
th esteering wheel, you and other vehicle
occupants – particularly children – could
become trapped. #
During the adjustment process of the
easy entry andexitfeature, make sure th
at no one has any body parts in the
sweep of thesteering wheel. #
Movethe adjustment le ver of thesteer‐
ing wheel if there is a risk of becoming
trapped bythesteering wheel.
The adjustment process is stopped. #
Never lea vechildren unat tended in the
ve 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. The easy ent
ryand exitfeature makes getting in
and out of your vehicle easier.
If th e easy entry andexitfeature is active, the
st eering wheel will mo veupwards in thefo llow‐
ing situations:
R you swit chthe ignition off
R you open the driver's door when the ignition
is switched on Seats and
stowing 97
Page 101 of 541

The
steering wheel mo ves back tothe last drive
position in thefo llowing cases:
R you swit ch the ignition on when the driver's
door is closed
R you close the driver's door when the ignition
is switched on
The last drive position of thesteering wheel is
st ored in thefo llowing situations:
R you swit chthe ignition off
R you sa vethe seat setting using the memory
function
If yo u press one of the memory function position
buttons, the adjustment process is stopped.
Setting the easy entry and exitfeature
Multimedia sy stem:
, Vehicle .
î Vehicle set-
tings .
Easy Entry/Exit #
Activate Oor deacti vate ª the function. Using
the memory function &
WARNING Risk of an accident if memo ry
function is used while driving
If yo u use the memory function on the driv‐
er's side while driving, you could lose cont rol
of theve hicle as a result of the adjustments
being made. #
Only use the memory function on the
driver's side when theve hicle is station‐
ar y. &
WARNING Risk of entrapment when set‐
ting the seat with the memory function
If yo u use the memory function toset the
seat or thesteering wheel, you and other
ve hicle occupants, especially children, could
be ent rapped. #
During the setting procedure of the
memory function, ensure that no body
parts are in the sweep of the seat or
th esteering wheel. #
If somebody becomes trapped, immedi‐
ately release the memory function posi‐
tion button.
The adjustment process is stopped. &
WARNING Risk of entrapment if the
memory function is activated bychildren
Children could become trapped if they acti‐
va te the memory function, particularly when
unattended. #
Never lea vechildren unat tended in the
ve 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. The memory function can be used when
the igni‐
tion is switched off.
Seat adjustments for up tothre e people can be
st ored and called up using the memory function. 98
Seats and stowing
Page 102 of 541

The
following sy stems can be selected:
R Seat, backrest and head restra int
R Steering wheel
R Outside mir rors
R Head-up Display #
Tosave :set the seat, thesteering wheel, the
Head-up Display and the outside mir rorto
th e desired position. #
Press the memory button M toge ther with
one of thestorage position buttons 1,2 or 3.
An acou stic signal sounds. The settings are
st ored. #
Tocall up: press and hold there leva nt pre‐
set position button 1,2 or 3 until the front
seat is in thestored position. St
ow age areas Note
s on loading theve hicle &
WARNING Risk ofexhaust gas poisoning
Combustion engines emit poisonous exhaust
ga ses such as carbon monoxide. Exhaust
ga ses can enter theve hicle interior if the
boot lid is open when the engine is running,
especially if theve hicle is in motion. #
Alw ays switch off the engine before
opening the boot lid. #
Never drive with the boot lid open. &
WARNING Risk of inju ryfrom unsecu red
items in theve hicle
If objects, luggage or loads are not secured
or not secured suf ficientl y,they could slip,
tip ove r or be throw n around and thereby hit
ve hicle occupants.
There is a risk of injur y,particularly in the
ev ent of sudden braking or a sudden change
in direction. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. #
Before the journe y,secure objects, lug‐
ga ge or loads against slipping or tipping
ove r. &
WARNING Risk of inju ryfrom incor rectly
stowe d objects
If objects in the passenger compartment are
stowe d incor rectl y,they can slide or be
th ro wn around and hit vehicle occupants. In Seats and
stowing 99