Page 90 of 525

In
thefo llowing situations, there is a danger of
being loc ked out when the function is activated:
R while theve hicle is being tow- star ted or
pushed
R ifth eve hicle is being tested on a roller dyna-
mome ter Loc
Loc
king/unloc
king/unloc king t
king the dr
he driv
iv er's door wit
er's door wit h t
h the
he
emerg
emerg encykey
ency key %
Ifyo u wish tolock theve hicle entirely using
th e emer gency key,/rst press the button for
locking from the inside while the driver's door
is open. Then proceed tolock the driver's
door using the emer gency key. #
Remo vethe emer gency key (/ page 82). #
Inse rtthe emer gency key as far as it will go
into opening 1inthe co ver. #
Pull and hold the door handle. #
Pull the co ver on the emer gency key as
straight as possible away from theve hicle until
it re leases. #
Release the door handle. #
T To unloc o unloc k:
k:turn the emer gency key anti-cloc k-
wise toposition 1. #
T
To loc
o loc k:
k:turn the emer gency key clockwise to
position 1. #
Carefully press the co ver onto the lock cylin-
der until it engages and is seated /rml y. Opening and closing
87
87
Page 130 of 525
#
Open the load compartment 0oor . #
Attach the holders 1inthe desired position
to the side of the load compartment 0oor. #
Close the load compartment 0oor. #
Turn the mounting elements 2to= . #
Insert the mounting elements 2into the
holders 1. #
Extend thete lescopic rod3. #
Insert thete lescopic rod3 into the mounting
elements 2. #
Turn both mounting elements 2to& until
yo ufe el them engage. Loc
Loc
king and unloc
king and unloc king t
king the load com
he load com par
partment
tment
0oor
0oor #
Turn the emer gency key a quarter turn cloc k-
wise 2(to lock) or anti-clockwise 1(to
unlock). Seats and st
owing
127
127
Page 195 of 525

1
Fuel /ller 0ap
2 Brac ketfo r fuel /ller cap
3 Tyre pressure table
4 QR code forre scue card
5 Fuel type
% Plug-in h
Plug-in h ybr
ybrid wit
id wit h pe
h petr
tr ol engine:
ol engine: the fuel /ller
0ap opens automatically aTer the fuel tank
has been dep ressurised (/ page 192). #
Press on the back area of fuel /ller 0ap 1. #
Turn the fuel /ller cap anti-clockwise and
re mo veit. #
Insert fuel /ller cap from abo veinto brac ket
2 . #
Comple tely insert the pump nozzle into the
ta nk /ller nec k,hook in place and refuel. #
Only /ll the fuel tank until the pump nozzle
switches o..
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: theta nk /ller
neck is designed forre fuelling at diesel /lling
pumps.
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: whenthe fuel
ta nk is comple tely em pty, top up with at least
5 litres of diesel.
% V
Vehicles wit
ehicles wit h a diesel engine:
h a diesel engine: use a /ller neck
with a lar gediame terfo rve hicles with a diesel
engine when topping up fuel from a fuel can.
Otherwise, the /ller neck cannot slide into the
ta nk. #
Replace the cap on the /ller neck and turn
clockwise until it engages audibl y. #
Close fuel /ller 0ap 1. Depr
Depr
essur
essur ising t
ising t he fuel t
he fuel t ank (plug-in h
ank (plug-in h ybr
ybrid with
id with
pe
pe tr
trol engine)
ol engine) #
Pull switch 1once brie0y.
Indicator lamp 2will 0ash and thePlease
wait Depressurising tank message will appear
on the inst rument displa y. 192
192
Driving and parking
Page 198 of 525

Opening t
Opening t
he A
he AdBlue
dBlue ®
®
/ller
/ller cap
cap #
Press on the back area of fuel /ller 0ap 1.#
Turn AdBlue ®
/ller cap 2anti-clockwise and
re mo veit.
T
T opping up A
opping up A dBlue
dBlue®
®
Mercedes-Benz recommends topping up AdBlue ®
at a /lling pump. If no AdBlue ®
/lling pump is av
ailable, you can also top up AdBlue ®
using a
canister. #
Screw onthefa stener of AdBlue ®
re/ll canis-
te r4. #
Screw disposable hose 3onto the opening
of Ad Blue ®
re/ll canis ter4 until hand-tight. #
Screw disposable hose 3onto the /ller neck
of theve hicle until hand-tight. #
LiT up and tip AdBlue ®
re/ll canis ter4.
The /lling process stops when theAd Blue ®
ta nk is comple tely full.
Ad Blue ®
re/ll canis ter4 can be remo ved
when it has been only partially em ptied. #
Unscr ewand close disposable hose 3and
Ad Blue ®
re/ll canis ter4 inreve rse order. #
Replace AdBlue ®
/ller cap 2and turn it
clo ckwise until it audibly engages. #
Close fuel /ller 0ap 1. #
Switch on theve hicle for at least 60 seconds.
% Ifth eve hicle could not be star ted as the
Ad Blue ®
tank was em pty, it can take up to
60 seconds forth ere /ll tobe de tected. #
Start theve hicle.
% Avoid storing AdBlue ®
re/ll con tainers perma-
nently in theve hicle. Driving and parking
195
195
Page 337 of 525

#
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise until it
engages. #
Check the oil le vel again (/ page 331). Chec
Chec
king t
king t he coolant lev
he coolant lev el
el &
W
WARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Cer tain component parts in the engine com-
partment can be very hot, e.g. the engine, the
cooler and parts of theex haust system. #
Allow the engine tocool down and only
to uch component parts described in the
fo llowing. &
W
WARNING
ARNING Risk of scalding from hot cool-
ant
If yo u open the cap, you could be scalded. #
Let the mo tor cool down before opening
th e cap. #
When opening the cap, wear pr otective
glo ves and saf ety glasses. #
Open the cap slo wlytorelease pressure. #
Park theve hicle on a le vel sur face. #
Check the coolant temp erature display on the
inst rument displa y.
The coolant temp erature must be below 70°C. #
Slowly turn cap 1anti-clockwise torelease
ove rpressure. #
Continue turning cap 1anti-clockwise and
re mo veit. 334
334
Maintenance and care
Page 363 of 525

T
T
o
o wing ey
wing eye st
e st or
orag
ag e location
e location To
wing eye1 is under the load compartment
0oor.
Depending on theve hicle equipment, theto wing
ey e may be located at a di.erent position in the
load compartment. F F
itting and r
itting and r emo
emoving t
ving t heto
he towing eye
wing eye #
Press the mark on co ver1 inwa rds and
re mo ve. #
Screw intheto wing eye clockwise as far as it
will go and tighten. V
V
ehicles wit
ehicles wit h a tr
h a trailer hitc
ailer hitc h:
h:vehicles with a trailer
hitch do not ha veare ar brac ketfo rth eto wing
ey e. Fasten theto w bar tothe trailer hitch. #
Make sure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* N NOOTE TE Damage totheve hicle due toincor-
re ct use of theto wing eye or trailer hitch When a
towing eye or trailer hitch is used to
re co ver a vehicle, theve hicle may be damaged
in the process. #
Only use theto wing eye or trailer hitch to
to w awa y or tow start theve hicle. #
Do not use theto wing eye or trailer hitch
to to wtheve hicle during reco very. 360
360
Breakdown assistance
Page 365 of 525

R
Fuse box on the driver's side of the cockpit
(/ page 363)
R Fuse box in the front passenger foot we ll
(/ page 363)
R Fuse box in the load compartment on the
ri ght-hand side of theve hicle, when vie wed in
th e direction of tr avel (/ page 363) Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the engine
he engine
com
com par
partment
tment R
R
eq
eq uir
uir ements:
ements:
R A dry clo thand a scr ewdriver are available.
Obser vethe no tes on elect rical fuses
(/ page 361).
Opening
Opening &
W
WARNING
ARNING Risk of injury from using the
windscreen wipers when the bonnet is
open
If th e windscreen wipers start moving when
th e bonnet is open, you could be trapped by
th e wiper linkage. #
Always switch o. the windscreen wipers
and theve hicle /r stifyo u need toopen
th e bonnet. #
Turn reta ining clip 2on co ver1 aqu arter-
turn anti-clockwise. #
Fold co ver1 up in the direction of the ar row. #
Remo veany existing moisture from the fuse
box using a dry clo th. #
Loosen scr ews3 and remo vefuse box lid 4
from theto p.
Closing
Closing #
Check whe ther the seal is positioned cor rectly
in lid 4. 362
362
Breakdown assistance
Page 366 of 525

#
Insert lid 4into the brac ket at there ar of the
fuse box. #
Fold down lid 4ofthe fuse box and tighten
scr ews3. #
Fold down co ver1. #
Turn reta ining clip 2on co ver1 aqu arter-
turn clockwise. #
Close the bonnet. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the coc
he coc kpit
kpit R
Obser vethe no tes on elect rical fuses
(/ page 361).
The fuse box is on the driver's side on the side of
th e cockpit under a co ver. #
Toopen and close it, consult a Mercedes-Benz
Service Centre. Opening and closing t
Opening and closing t
he fuse bo
he fuse box in t
x in the fr
he front
ont
passeng
passeng er f
er f oo
ootw
twell
ell Obser
vethe no tes on elect rical fuses
(/ page 361). #
T To open: o open: open cover1 inthe direction of the
ar ro w and remo veit. #
T To close:
o close: reinsert co ver1. Opening and closing t Opening and closing t
he fuse bo
he fuse box in t
x in the load com-
he load com-
par
par tment
tment Obser
vethe no tes on elect rical fuses
(/ page 361). #
Open the load compartment 0oor . #
T
To open:
o open: fold co ver1 up in the direction of
th e ar row.
The fuse assignment dia gram is on the side of the
fuse box. #
T
To close:
o close: fold down co ver1. Breakdown assistance
363
363