Problem
Possible causes/consequences and M
MSolutions #
Check the battery using the battery check lamp and replace if necessary (→ page 79). #
Use the emer gency keyto lock or unlock (→ page 79). #
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 lock changed as well. Doors
Note
s onthe additional door lock The additional door lock is only
available for
ve hicles forth eUni ted Kingdom. &
WARNING Risk of inju ryto persons
inside theve hicle when the additional
door lock is activated
If th e additional door lock is activated, the
doors can no longer be opened from the
inside.
If th ere are persons in theve hicle, they can
no longer le aveth eve hicle, e.g. in hazardous
situations. #
Never lea vepersons unattended in the
ve hicle, particularly children, elderly
persons or persons in need of help. #
Ifth ere are persons in theve hicle, do
not activate the additional door loc k. The additional door lock is automatically activa‐
te d in thefo llowing situations:
R The vehicle is loc ked using thekey.
R The vehicle is loc ked using KEYLESS-GO.
If th eve hicle has been loc ked via Mercedes me
connect, the additional door lock is not activa‐
te d. If
th e additional door lock is activated, the doors
cann otbe opened from the inside.
% After locking you can issue a signal with the
horn.
Yo u can pr eventthe additional door lock from
being activated bydeactivating interior pr otec‐
tion before locking theve hicle (→ page104). Un
locking/opening the doors from the inside #
United Kingdom onl y:obser vethe no tes on
th e additional door lock (→ page81). Opening and closing
81
#
Tounlo cktheve hicle: touch the inner sur‐
fa ce of the door handle. #
Tolock theve hicle: touch sensor sur face
1 or2. #
Convenience closing: touch recessed sen‐
sor su rface 2until the closing procedure is
comple te. %
Further information on con venience closing
(→ page 94).
If yo u open theta ilgate from outside it is auto‐
matically unloc ked. Problems with KEYLESS-GO
Problem
Possible causes/consequences and M
MSolutions
Yo u can no lon ger lock or unlock the
ve hicle using KEYLESS-GO. Po
ssible causes:
R The key functions ha vebeen deactivated .
R The key bat tery iswe ak or dischar ged.
R There is inter fere nce from a po werful radio signal source.
R The key is faulty. #
Activate theke y functions (→ page78). #
Check the battery using the battery check lamp and replace if necessary (→ page 79). #
Use the emer gency keyto unlo ckor lock theve hicle (→ page 79). #
Have theve hicle and keych ecked at a qualified specialist workshop. 84
Opening and closing
Problem
Possible causes/consequences and M
MSolutions
If a side window is obstructed during closing and reopens again slightly: #
Immediately af terth e window is bloc ked, pull the cor responding switch again until the side window has
closed, and hold the switch for an additional second.
The side window will be closed with increased forc e.
If a side window is obstructed again during closing and reopens again slightly: #
Repeat the pr evious step.
The side window is closed without the automatic reve rsing function.
The side windo wscannot be opened or
closed using the con venience opening
fe ature. The
key bat tery iswe ak or dischar ged. #
Check the battery using the battery indicator lamp and replace if necessary (→ page 79). Opening and closing
95
*
NO
TEDama getothe seat belt The seat belt could become trapped and
thus
damaged when folding back the seat back‐
re st. #
Make sure that the seat belt is not trap‐
ped when folding back the seat back‐
re st. Fo
lding there ar seat backwards mechani‐
cally #
Movethe driver's or front passenger seat for‐
wa rds, if necessar y. #
Swi vel seat backrest 1back until it
engages. #
Make sure that there d marking of the lock
ve rification indicator is no longer visible. Oth‐
erwise, the seat backrest is not loc ked.
Fo lding there ar seat backwards electrical ly
If a seat backrest is not engaged and loc ked, this
will also be shown on the multifunction display
on the instrument clus ter. #
Brief lypull buttons 1tofold the left or right
seat backrest backwards.
The seat folds backwards. The middle seat
backrest folds backwards toge ther with the
left seat backrest.
Fo lding the seat in theth ird row of seats
backwards #
Swi velth e seat backrest back until it audibly
engages. Lo
weri ng and raising there ar of theve hicle Lo
weri ngthere ar of theve hicle
Re quirements:
R allvehicle doors are closed
R there is no trailer coupled
R there is no bicycle rack fitted
R the battery is suf ficiently charge d; if neces‐
sar y,start the engine 12 8
Seats and stowing
#
App lythe electric parking brake. #
Shift the transmission toposition j. #
Pull switch 1intheright-hand load com‐
partment trim brief ly.
Indicator lamp 2flashes until theve hicle
has been lo wered.
The vehicle is lo wered on there ar axle by
appr ox. 40 mm. When
theve hicle has been lo wered, indicator
lamp 2remains lit.
Lo we ring is inter rupte d in thefo llowing situa‐
tions:
R ave hicle door is opened
R switch 1is pulled again
R theve hicle is moving at speeds greater than
2 km/h
% The vehicle is automatically set tothe le vel
of the most recently selected drive program
if yo u drive at speeds greater than 2 km/h.
Ra ising there ar of theve hicle
Re quiremen t:
R the battery is suf ficiently charge d; if neces‐
sar y,start the engine #
Pull switch 1briefly.
Indicator lamp 2goes out.
The vehicle will be raised tothe cur rently
selected le vel. %
The vehicle is automatically set tothe le vel
of the most recently selected drive program
if yo u drive at speeds greater than 2 km/h. EAS
Y-PA CK load compartment co ver and par‐
tition net cass ette Note
s onthe load compa rtment co ver &
WARNING Risk of inju ryor death due to
objects being poorly secured
On its own,the load compartment co ver can‐
not secure or restra in heavy objects, items of
luggage and heavy loads.
Yo u could be hit byan unsecured load during
sudden changes in direction, braking or in
th eev ent of an accident. #
Alw aysstow objects in such a wayth at
th ey cannot be thro wn around. #
Secure objects, luggage or loads
against slipping or tipping over,e.g. by
using lashing material, even if you are
using the load compartment co ver. Seats and
stowing 12 9
5
L Low beam/high beam
6 R Switches there ar fog lights on or off
When low beam is activated, the indicator lamp
fo rth est anding lights Tis deactivated and
re placed bythe low beam indicator lamp L.#
Alw ays park your vehicle safely and in a well-
lit area, in accordance with there leva nt le gal
st ipulations.
* NO
TEBattery discharging byoperating
th est anding lights Operating
thest anding lights over a period of
hours puts a stra in on the batter y. #
Where possible, switch on the
ri ght X or left Wparking light. In
the case of se vere battery discharging, the
st anding lights or parking lights are automati‐
cally swit ched off tofacilitate the next engine
st art.
The exterior lighting (e xcept standing and park‐
ing lights) swit ches off automatically when the
driver's door is opened. R
Obser vethe no tes on sur round lighting
(→ page 154).
Au tomatic driving lights
The standing lights, dipped beam and daytime
ru nning lights are switched on au tomatical ly
depending on the ignition status, whe ther the
engine is running and on the light conditions. &
WARNING Risk of accident when the
dipped beam is switched off in poor visi‐
bility
When the light switch is set toà ,the
dipped beam may not be switched on auto‐
matically if there is fog, snow or other causes
of poor visibility such as spr ay. #
In such cases, turn the light switch to
L . The automatic driving lights are only an aid.
Yo u
are responsible forve hicle lighting. Switching
there ar fog lights on or off
Re quirements:
R The light switch is in the L orà posi‐
tion. #
Press the R button.
Please obser vethe count ry-specific la wsonthe
use of rear fog lamps. 14 8
Light and sight
&
WARNING Risk of accident due tomis‐
judgement of dis tances when using the
outside mir ror
The outside mir rors reflect objects on a
smaller scale. The objects in view are in fact
closer than they appear.
As a result, you may misjud gethe dis tance
between you and thero ad user driving
behind you, e.g. when changing lanes. #
Therefore, alw ays look over your shoul‐
der in order toensure that you are
aw are of the actual dis tance between
yo u and thero ad users driving behind
yo u. Fo
lding the outside mir rors in/out #
Brief lypress switch 2.
% Ifth e battery has been disconnected or has
dischar ged, the outside mir rors must be
mo ved briefly using button 2. Onlythen will
th e automatic mir rorfo lding function work
proper ly. Ad
justing the outside mir rors #
Press the1 or3 buttons toselect the out‐
side mir rorto be adjus ted. #
Press button 4toadjust the position of the
mir rorgl ass.
Engaging the outside mir rors
If an outside mir ror has been forc ibly disen‐
ga ge d, proceed as follo ws. #
Vehicles without electrically folding outside
mir rors: manually mo vethe outside mir ror
into the cor rect position. #
Vehicles with electrically folding outside mir‐
ro rs: press and hold button 2.
Yo u will hear a click and the mir ror will audi‐
bly engage in position. The outside mir ror is
set tothe cor rect position. Au
tomatic anti-dazzle mir rors function &
WARNING Risk of bu rns and poisoning
due tothe anti-dazzle mir ror electrolyte
Electrolyte may escape if theglass in an
automatic anti-dazzle mir ror breaks. Light and sight
161
St
ationary heater/ventilation St
ationary heater/stationary ventilation
function R The air inside theve hicle is heated or ventila‐
te dto the set temp erature.
R The air inside theve hicle cannot be cooled
down totemp eratures below the outside
te mp erature.
R Ifth e outside temp erature changes, ventila‐
tion mode au tomatical lyswitches toheating
mode or heating mode automatically
switches toventilation mode.
The stationary heater and theex haust gas outlet
are situated behind theright-hand front wheel.
Switching thest ationary heater/stationary
ve ntilation on/off via the operating unit &
DANG ER Risk of fata l injury due topoi‐
sonous exhaust gases
If th eta ilpipe is bloc ked or suf ficient ventila‐
tion is not possible, poisonous exhaust gases
such as carbon monoxide may enter theve hi‐ cle. This is
the case in enclosed spaces or if
th eve hicle gets stuck in sn ow,fo rex ample. #
Alw ays switch thest ationary heater off
in enclosed spaces without an air
ex traction sy stems, e.g. in garage s. #
Keep theta ilpipe and the area around
th eve hicle free from snow when the
engine or thest ationary heater are run‐
ning. #
Open a window on the windward side of
th eve hicle toensure an adequate sup‐
ply of fresh air. &
WARNING Risk offire due tohot station‐
ary heater components
When thest ationary heater is swit ched on,
parts of theve hicle can become very hot,
e.g. thest ationary heater exhaust sy stem. Flammable materials such as lea
ves, grass or
twigs may ignite if they come into contact
wi th:
R hot parts of thest ationary heater exhaust
sy stem
R theex haust gas itself #
When thest ationary heater is swit ched
on, make sure that:
R hot vehicle parts do not come into
contact with flammable materials.
R theex haust gas can flow out of the
st ationary heater tailpipe unhin‐
dered.
R theex haust gas does not come into
contact with flammable materials. *
NO
TEBattery discharge caused bysta‐
tionary heater or stationary ventilation
operation Ope
rating thest ationary heater or stationary
ve ntilation drains the batter y. Climate cont
rol171