Page 65 of 354

SmartK
ey Note
s onradio connections of the key&
DANG ER Risk of fata l injury topersons
with medical devices from the electro‐
magnetic radiation of thest art/ stop but‐
ton
Pe rsons with medical devices, e.g. pacemak‐
ers or defibrillators:
When you operate thest art/ stop button, a
ra dio connection is es tablished between the
ke y and theve hicle.
The electromagnetic radiation can af fect the
functionality of a medical device. #
Before operating theve hicle, consult
yo ur doc tor or the manufacturer of the
medical device about any possible
ef fects of emissions from such sy stems. De
tection range of the KEYLESS-S TART func‐
tion antenna Overview of SmartK
eyfunctions &
WARNING Risk of accident and inju ry
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R operate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hicle
in motion, forex ample, by:
R releasing the parking brake. R
shifting the automatic transmission out of
park position 005D.
R starting the engine #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle. #
Keep the SmartK eyout of there ach of
ch ildren. *
NO
TEDama getotheke y caused bymag‐
netic fields #
Keep theke yaw ay from strong mag‐
netic fields. 1
Tolock
2 Battery check lamp
3 Tounlo ck
4 Tounlo ckthe cargo compartment (sliding
doors and rear-end doors)/ tounlo ckand
open/close electric sliding doors
5 Mechanical key
The SmartK ey's factory setting enables youto
centrally lock and unlock thefo llowing compo‐
nents:
R The driver's door and the co-driver door
R The sliding doors
R The rear-end doors
% If
yo u do not open theve hicle within appr ox‐
imately 40 seconds of unlocking, theve hicle
will lock again and anti-theft pr otection will
be activated again. Opening and closing
41
Page 66 of 354

Do not
keep the SmartK eytoge ther with elec‐
tronic devices or me tallic objects. This can af fect
th e SmartK ey's functionality.
% If
th e battery check lamp does not light up
when you press the0036 or0037 button, the
battery is dischar ged.
Re place the SmartK eybattery (/ page 42). Ac
tivating/deactivating the acoustic lo cking
ve rification signal Multimedia sy
stem:
4 © 5
Settings 5
Vehicle #
Switch Acoustic Lock on or off. Changing
the unlocking settings The
key has thefo llowing adjus table unlocking
functions:
R unlock cent rally
R unlock driver's and front-passenger door
(Cargo Van)
R unlock driver's door (Passenger Van,chassis
ve rsion) #
Toswitch between the settings: press and
hold the0036 and0037 buttons at the same
time for appro ximately six seconds until the
battery check lamp flashes twice.
When the locking function is selected forth e driv‐
er's door or the driver's and front-passenger
door:
R pressing the0036 button a second time
unloc kstheve hicle centra lly Re
ducing the energy consum ption of the
SmartK ey If
yo u do not use theve hicle or a SmartK ey for an
ex tended pe riod, you may deactivate the KEY‐
LESS START function of the SmartK ey. #
Todeactivate: pressthe0037 button on the
SmartK eytwice in quick succession.
The battery check lamp on the SmartK ey
lights up twice quickly and once for longer. #
Toactivate: press any button on the Smart‐
Ke y.
When starting theve hicle with the SmartK eyin
th e slot in the shift console, the SmartK eyfunc‐
tions are activated auto matically. Re
moving and inse rting the mechanical key #
Toremo ve:press release button 2.
Mechanical key1 is pushed slight ly out. #
Pull me chanical key1 out co mplete ly. #
Toinser t:press release button 2. #
Slide mechanical key1 in co mplete ly until it
engages. Re
placing the key battery &
DANG ER Serious damage tohealth
caused byswallowing batteries
Batteries contain toxic and cor rosive subs tan‐
ces. Swallowing batteries may cause serious
damage tohealth.
There is a risk of fata l injur y. #
Keep batteries out of there ach of chil‐
dren. #
If batteries are swallo wed, seek medical
attention immediately. +
ENVIRONMEN
TALNO TEEnvironmental
damage caused byimproper disposal of
batteries Bat
teries contain pollutants. It is
illegal todispose of them with the household
ru bbish. #
Dispose of batteries in an
environmen tally responsible manner.
Ta ke dischar ged batteries toaqu alified
specialist workshop or toa collection
point for used batteries. 42
Opening and closing
Page 67 of 354

Re
quirements:
R A CR 2032 3 V cell battery
Mercedes-Benz recommends that you ha vethe
battery replaced byaqu alified specialist work‐
shop. #
Remo vethe emer gency key ( / page 42). Example image #
Press release button 2down fully and slide
co ver1 forw ard. #
Remo vebattery compartment 3and remo ve
th e dischar ged batter y. #
Insert the new battery into battery compart‐
ment 3. Obser vethe positive pole marking
in the battery compartment and on the bat‐
te ry. #
Insert battery compartment 3. #
Replace co ver1 sothat it engages. #
Slide the emer gency key in co mplete ly until it
engages (/ page 42). Problems with
thekey Problem
Possible causes/consequences and 0050 0050Solutions
Yo u cannot lock or unlo ck
th eve hicle any more. Po
ssible causes:
R theke y bat tery iswe ak or dischar ged
R there is inter fere nce from a po werful source of radio wav es
R theke y is defective #
Check the battery using the battery check lamp and replace if neces‐
sary (/ page 42). #
Use the emer gency keyto unlo ckand lock theve hicle (/ page 42). #
Have theke ych ecked at a qualified specialist workshop.
Yo u ha velost a key. #
Have theke y deacti vated at a qualified specialist workshop. #
If necessar y,ha ve the mechanical loc ksreplaced. Opening and closing
43
Page 68 of 354

Doors
Un
locking and opening the door from inside #
Tounlo ckand open the front door: pull
door handle 2.
Locking pin 1pops up when the door is
unloc ked. #
Open the door. The
0036 symbol indicates that there ar door is
unlo cked. #
Tounlo ckand open there ar door: pull
opening le ver1 and open there ar door.
When the door unloc ks, latch 2moves
fo rw ard.
The 0036 symbol is visible. #
Toclose: pullthere ar passenger compart‐
ment door closed bythe door handle. #
Tolock: slide latch 2down.
The 0037 symbol is visible. Locking
the door centrally from inside &
WARNING Risk of accident and injury
due tochildren left unat tended in the
ve hicle
If ch ildren are left unat tended in theve hicle,
th ey could:
R open doo rs,th ereby endangering other
persons or road users.
R get out of theve hicle and be hit by
oncoming traf fic.
R operate ve hicle equipment and become
trapped, forex ample.
In addition, children could also set theve hicle
in motion, forex ample, by:
R releasing the parking brake.
R shifting the automatic transmission out of
park position 005D.
R starting the engine #
Never lea vechildren and animals unat‐
te nded in theve hicle. #
When leaving theve hicle, alw aysta ke
th e SmartK eywith you and lock the
ve hicle. #
Keep the SmartK eyout of there ach of
ch ildren. &
WARNING Risk offata l injury due to
ex posure toextreme heat or cold in the
ve hicle
If people – particular lych ildren – are exposed
to extreme temp eratures over an extended
pe riod of time, there is a risk of serious or
eve nfa ta l injur y. #
Never lea veanyone – pa rticularly chil‐
dren – unat tended in theve hicle. #
Never lea veanimals in theve hicle unat‐
te nded. Lo
cking and unlocking manually
Yo u can use the cent ral locking buttons tocen‐
trally lock and unlock the entire vehicle from the
inside.
The central locking buttons are located in the
driver's and co-driver doors. 44
Opening and closing
Page 69 of 354

Example: central lo
cking buttons in the driver's
door #
Tolock/unlock the entire vehicle: press
button 1(unlock) or 2(lock) when the
doors are closed. Switching
the automatic locking feature on or
off When
the ignition is switched on and theve hicle
is driving at a speed abo ve9mp h (15 km/h), the
ve hicle loc ksautomaticall y. Example: central lo
cking buttons in the driver's
door
There is a danger of being loc ked out when the
function is activated in thefo llowing situations:
R when tow- starting or pushing theve hicle
R onthero ller dynamom eter #
When the doors are closed, switch on the
po we r supp lyor ignition. #
Toswitch on: press and hold button 2for
appr oximately five seconds.
An acoustic signal sounds. #
Toswitch off: press and hold button 1for
appr oximately five seconds.
An acoustic signal sounds. Un
locking/locking the driver's door with the
emer gency key %
If
yo uwa nttolock theve hicle comple tely
wi th th e emer gency key,press the button for
th e locking mechanism from inside firs t wi th
th e driver's door open. Then lock the driver's
door with the emer gency key. #
Tounlo ck:turn the emer gency key counter-
clo ckwise toposition 0047. #
Tolock: turnthe emer gency key clo ckwise to
position 0047.
% Right-hand drive
vehicles: turnthe emer‐
ge ncy key in the opposite direction in each
case. Sliding door
Opening/closing
the sliding door from out‐
side &
WARNING Risk of entrapment byopen
sliding door which is not engaged
If th e open sliding door is not engaged, it
could mo veon its own if theve hicle is on a
slope.
This could trap you or other persons. Opening and closing
45
Page 70 of 354

#
Always make sure that the open sliding
door is engaged. Open the sliding door
as far as it will go. %
Yo
ur vehicle may be equipped with a long
sliding door with an intermediate de tent. Yo u
can also lock the sliding door in place around
halfw aywhen opening and closing. If you do
th is, the door does not ha vetobe opened
fully when getting into or out of theve hicle.
The sliding door is not fully engaged when in
th e intermediate de tent. #
Toopen: pull door handle 1.
The sliding door opens. #
Push back the sliding door using door handle
1 until it engages. #
Check the sliding door de tent. #
Toclose: pullthe sliding door byhandle 1
and firm lyslide it forw ards until it closes. Opening/closing
the sliding door from inside &
WARNING Risk of entrapment byopen
sliding door which is not engaged
When you open the sliding door, the sliding
door could hit other people as it mo ves back‐
wa rds. #
Only open the sliding door when tra ffic
conditions permit. %
Yo
ur vehicle may be equipped with a long
sliding door with an intermediate de tent. Yo u
can also lock the sliding door in place around
halfw aywhen opening and closing. If you do
th is, the door does not ha vetobe opened
fully when getting into or out of theve hicle.
The sliding door is not fully engaged when in
th e intermediate de tent. #
Tounlo ck:pull lo cking pin 3upwards man‐
ually or use the cent ral locking button to
unlo ckthe sliding door (/ page44). #
Toopen: press button 1. #
Slide the sliding door byhandle 2back to
th estop. #
Check the sliding door de tent. The sliding
door must be engaged. #
Toclose: press button 1. #
Slide the sliding door firm lyforw ards byhan‐
dle 2until it closes. #
Tolock: push locking pin 3down wards
manually or use the cent ral locking button to
lock the sliding door (/ page44). Note
s on electrical closing assist If
yo ur vehicle is equipped with electrical closing
assist, you will requ ire less forc eto close the slid‐
ing door. Electrical sliding door
Fu
nction of the electric sliding door Yo
ur vehicle can be equipped with an electric
sliding door on the left and/or right-hand side. 46
Opening and closing
Page 71 of 354

Yo
u can operate the electric sliding door in the
fo llowing ways:
R bypressing the sliding door buttons on the
center console
R bypressing the sliding door button on the
door sill (B-pillar)
R using the door handle (inside or outside)
R using thekey
If th e electric sliding door is obstructed while
opening, it mo ves a few centim eters in the oppo‐
site direction and stops.
If th e sliding door is obstructed during the closing
procedure, it opens fully again.
If th e electric mo tor of the sliding door is in dan‐
ge r of overheating, e.g. due tofrequent opening
and closing within a short period, the sliding door
opens fully. The sliding door is then loc ked in
place. The sliding door is operational again af ter
appr oximately 30 seconds.
If th ere has been a malfunction or if the battery
has been disconnected, you can use there lease
cat chtodisconnect the sliding door from the
electric mo tor.Then you can open or close the
door manually (/ page 48). Opening/closing
the electric sliding door
with the but ton &
WARNING Risk of entrapment byopen
sliding door which is not engaged
When you open the sliding door, the sliding
door could hit other people as it mo ves back‐
wa rds. #
Only open the sliding door when tra ffic
conditions permit. &
WARNING Risk of inju rydespite obs tacle
de tection
Obs tacle de tection does not react tosoft,
light and thin objects, such as fingers. These
or other parts of the body could be pressed
against the door frame, for ins tance. Obs tacle
de tection cannot pr event entrapment in these
ins tances. #
When opening and closing the electric
sliding door, make sure that nobody is
within the operating range of the sliding
door. #
If someone becomes trapped, press the
button again tostop the sliding door. Sliding door buttons on
the center console
1 Opens and closes the sliding door on the left
side of theve hicle
2 Opens and closes the sliding door on the
ri ght side of theve hicle Sliding door button on
the door sill (B-pillar)
On vehicles with a partition, button 3is loca‐
te d on the partition next tothe door way at the
le ve l of the inside door handle. Opening and closing
47
Page 72 of 354

When
the sliding door is loc ked, it can only be
opened from the inside bymanually unlocking
locking pin 4. #
Tounlo ck:pull lo cking pin 4upwards man‐
ually or use the cent ral locking button to
unlo ckthe sliding door (/ page44). #
Toopen: briefly press button 1,2or but‐
to n3.
The sliding door opens au tomatical ly.
When you open the door using button 1or
2, you will additionally hear two warning sig‐
nals.
The indicator lamp at theto p of button 1or
2 will flash and button 3will flash.
When the sliding door is comple tely open, the
indicator lamp at theto p of button 1or2
will light up. #
Toclose: briefly press button 1,2or but‐
to n3.
The sliding door closes au tomatical ly.
When you close the door using button 1or
2, you will additionally hear two warning sig‐
nals.
The indicator lamp at theto p of button 1or
2 will flash and button 3will flash.
When the sliding door is comple tely closed,
th e indicator lamp at theto p of button 1or
2 will go out. #
Tosto p automatic ope ration: briefly press
but ton1 or2.
The sliding door stops moving. #
Tolock: push locking pin 3down wards
manually or use the cent ral locking button to
lock the sliding door (/ page44). %
When
youstop automatic operation upon
opening the door, the door closes when you
press the button again.
% In unf
avorable operating conditions, e.g.
frost, ice or heavy soiling, you can press and
hold the cor responding button. The electric
sliding door mo ves with increased forc e.
Obser vethat, in such circum stances, the
obs tacle de tection is less sensitive. Tostop
th e mo vement, release the button. Opening/closing
the electric sliding door
with thekey #
Tounlo ck:brie fly press the0042 or0041
button on thekey. #
Toopen: press and hold the0042 or0041
button on theke yfo r longer than 0.5 sec‐
onds.
Yo u will hear two acoustic signals and the
sliding door will open automaticall y. #
Toclose: press and hold the0042 or0041
button on theke yfo r longer than 0.5 sec‐
onds.
Yo u will hear two acoustic signals and the
sliding door will close automaticall y. #
Tointer rupt automatic operation: briefly
press the0042 or0041 button on theke y.
The sliding door stops moving.
% When
youstop automatic operation upon
opening the door, the door closes when you
press the button again. Opening/closing
the electric sliding door
with the door handle 48
Opening and closing