Page 113 of 565
3
Stow age compartment in the front cent re
console wi tha USB port (depending on the
ve hicle's equipment)
4 Glovebox
Locking/unlocking thegl ove box
Obser vethe no tes on loading theve hicle
(→ page 108). #
Turn the emer gency key a quarter turn clock‐
wise 2(to lock) or anti-clockwise 1(to
unlock).
Opening the spectacles compa rtment
Obse rveth e no tes on loading theve hicle
(→ page 108). #
Toopen: press button 1.
Opening thesto wage compa rtment in the
re ar armrest
Obse rveth e no tes on loading theve hicle
(→ page 108). #
Toopen: pressrelease cat ch1 and swing
th e co ver of the armrest upwards. 11 0
Seats and stowing 
     
        
        Page 144 of 565
#
Turn there leva nt housing co ver anti-clock‐
wise and remo veit. #
Main beam/dipped beam: turnthe soc ket
anti-clockwise and remo veit. #
Turn signal light: turnthe soc ket anti-clo ck‐
wise, unlock and remo veit. #
Pull the bulb out of the soc ket. #
Inse rtthe new bulb into the soc ket so that
th e entire base of the bulb is resting on the
bottom of the soc ket. #
Inse rtsoc ket and turn it clo ckwise. #
Press on the housing co ver and turn it clock‐
wise. #
Replace the co ver in the front wheel ar ch. Wi
ndscreen wipers and windscreen washer
sy stem Switching
the windscreen wipers on/off #
1 í Single wipe/ îwiping with
wa sher fluid #
1gWi ndscreen wipers off #
2 Ä Intermittent wiping, normal #
3 Å Intermittent wiping, frequent #
4 ° Continuous wiping, slow #
5 ¯ Continuous wiping, fast Switching
there ar window windsc reen wip‐
ers on/off #
1 è Switch Light and sight
141 
     
        
        Page 180 of 565

*
NO
TEDo not overfill the fuel tank, other‐
wise the fuel sy stem may be damaged. #
Only fill th e fuel tank until the pump
nozzle switches off. *
NO
TEDo not overfill the fuel tank, other‐
wise fuel may spay out when youre mo ve
th e pump nozzle. #
Only fill th e fuel tank until the pump
nozzle switches off. Re
quirement:
The vehicle must be unloc ked.
% Do not get into theve hicle again during the
re fuelling process. Otherwise, electros tatic
ch arge could build up again.
Obser vethe no tes on operating fluids
(→ page 433). Re
fuelling 1
Fuelfiller flap
2 Brac ketfo rth e fuel filler cap
3 Tyre pressure table
4 QR code forre scue card
5 Fuel type #
Press fuel filler flap 1. #
Turn the fuel filler cap anti-clockwise and
re mo veit. #
Insert the fuel filler cap into holder 2. #
Comple tely inse rtthefiller neck of the fuel
pump nozzle into theta nk, hook in place and
re fuel. #
Only fill th e fuel tank until the pump nozzle
switches off.
% Vehicles with a diesel engine: thefiller
neck is designed forre fuelling at diesel fill‐
ing pumps.
% Vehicles with a diesel engine: whenthe
fuel tank is compl etely em pty, refuel with at
lea st5 litres of diesel. Driving and parking
17 7 
     
        
        Page 182 of 565
Re
quirements:
The following announcements appear in order in
th e multifunction display when theAd Blue ®
tank
requ iresrefuelling:
R Refill AdBlue See Owner's Manual . The
Ad Blue ®
re ser voir is down tothere ser ve
le ve l.
R Refill AdBlue No start in XXX mi. You can still
drive theve hicle overth e dis tance shown.
To p up AdBlue ®
as soon as possible.
R Refill AdBlue Start not possible. The vehicle
can no longer be star ted.
The vehicle must be unloc ked. Opening
theAd Blue ®
filler cap #
Press fuel filler flap 1. #
Turn AdBlue ®
filler cap 2anti-clockwise and
re mo veit. Preparing
theAd Blue ®
re fill canis ter #
Screw onthefast ener of AdBlue ®
re fill canis‐
te r2. #
Screw disposable hose 1onto the opening
of Ad Blue ®
re fill canis ter2 until finger-tight. Driving and pa
rking 17 9 
     
        
        Page 253 of 565

In order
forth e trailer tobe recognised bythe
ve hicle:
R the electrical connection must be set up cor‐
re ctly
R the trailer lighting sy stem must be in working
order
The operation of thefo llowing sy stems depends
on the trailer being connected cor rectly:
R ESP ®
R Parking Assist PARKTRONIC
R Parking Pilot
R Blind Spot Assist or Active Blind Spot Assi st
R Active Lane Keeping Assist
Coupling up a trailer
* NO
TEDama getothe battery due tofull
dischar ge Charging
the trailer battery using the po wer
supply of the trailer can damage the batter y. #
Do not use the po wer supp lyto charge
th e trailer batter y. #
Remo vethe pr otective co vering from the ball
head and store it in a safe place. #
Position the trailer on a le vel sur face behind
th eve hicle and couple it up totheve hicle. #
Open the soc ket co ver. #
Insert the plug connector with lug 1into
groo ve3 onthe soc ket. #
Turn bayonet coupling 2clockwise tothe
st op. #
Let the co ver engage. #
Secure the cable tothe trailer with cable ties
(if you are using an adap ter cable). #
Make sure that cable is alw ays slack for ease
of mo vement when cornering. #
Check the trailer lighting sy stem. Push the
combination switch up wards/down wards
and check whe ther the cor responding turn
signal light on the trailer is flashing.
A display message may appear in the multifunc‐
tion display even if the trailer has been connec‐
te d cor rectly:
R LEDs ha vebeen ins talled on the trailer light‐
ing sy stem
R the cur rent has fallen below the trailer light‐
ing sy stem's minimum cur rent (50 mA)
% Accessories can be connected tothe perma‐
nent po wer supp lyand the po wer supply that
is swit ched on via the ignition lock with max‐
imum po wer consum ptions of 180W. 250
Driving and parking 
     
        
        Page 381 of 565

#
Follow the instructions in the service
inter val display rega rding the oil
ch ange. *
NO
TEDama gecaused bytopping up too
much engine oil To
pping up too much engine oil can cause
damage tothe engine or the catalytic con‐
ve rter. #
Have excess engine oil siphoned off at
a qu alified specialist workshop. #
Turn cap 1anti-clockwise and remo veit. #
Top up the engine oil. #
Replace cap 1and turn it clockwise as far
as it will go. #
Check the oil le vel again (→ page376). Checking
the coolant le vel &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
WARNING Danger of bu rns from hot
coolant
The engine cooling sy stem is pressurised,
particularly when the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out. #
Let the mo tor cool down before opening
th e cap. #
When opening the cap, wearglove s and
pr otective eyew ear. 378
Maintenance and care 
     
        
        Page 382 of 565

#
Slowly turn the cap half a turn toallow
pressure toescape. #
Park theve hicle on a flat sur face. #
Check the coolant temp erature display in the
instrument clus ter.
The coolant temp erature must be below
70 °C. #
Slowly turn cap 1anti-clockwise torelie ve
ov erpressure. #
Continue turning cap 1anti-clockwise and
re mo veit.
The coolant le vel is cor rect:
R Ifth e engine is cold, up tomar ker bar 2
R Ifth e engine is warm, up to1.5 cm over
mar ker bar 2 #
If necessar y,top up with coolant that has
been tested and appr oved byMercedes-
Benz.
R Further information on coolant (→ page440) To
pping up the windsc reen washer sy stem &
WARNING Danger of bu rns from hot
component parts in the engine compart‐
ment
Cer tain component parts in the engine com‐
partment may be very hot, e.g. the engine,
th era diator and parts of theex haust sy stem. #
Let the engine cool down and only
to uch the component parts described
below: &
WARNING Danger of bu rns when open‐
ing the engine bonn et
If yo u open the engine bonn etwhen the
engine has overheated or during a fire inthe
engine compartment, you could come into
contact with hot gases or other escaping
operating fluids. #
Before opening the engine bonn et,
allow the engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the engine bonn et
closed and call thefire service. &
WARNING ‑ Risk of fire and injury due to
windscreen washer concentrate
Wi ndsc reen washer concentrate is highly
fl ammable. It could ignite if it comes into
con tact wi thhot engine component parts or
th eex haust sy stem. Maintenance and care
37 9 
     
        
        Page 408 of 565

Ve
hicles with folding bench seat: theto wing
ey e is located under a co ver. Fi
tting the towing eye #
Press the mark on co ver1 inwa rds and
re mo ve. #
Screw intheto wing eyeclockwise tothe
st op. Ve
hicles with a trailer hitch: vehicles with a
trailer hitch do not ha vea brac ket at the back for
th eto wing eye. Connect theto w bar tothe
trailer hitch.
% Makesure that co ver1 engages in the
bumper when youre mo vetheto wing eye.
* NO
TEDama gedue toincor rect use of
th eto wing eye When a
towing eye is used toreco ver a vehi‐
cle, theve hicle may be damaged in the proc‐
ess. #
Only use theto wing eyeto to waw ay or
to w start theve hicle. To
w- starting theve hicle (eme rgency engine
st art) Ve
hicles with automatic transmission
* NO
TEDama getothe automatic trans‐
mission due to tow-starting The automatic transmission may be damaged
in the process of tow- starting vehicles with
automatic transmission. #
Vehicles with automatic transmission
must not be tow- star ted. #
Vehicles with automatic transmission must
not be tow- star ted.
Ve hicles with manual transmission #
Obser vethe no tes on towing away
( → page 401). #
If necessar y,allow the engine and exhaust
sy stem tocool down. #
Switch the ignition on. #
Enga gesecond gear. #
Release the electric parking brake. Breakdown assis
tance 405