
#
Toremo ve:using a suitable object, turn the
two mounts 1ofthe co ver2 in an anti-
clockwise direction as far as they will go. #
Remo vethe unloc ked co ver2 from the
wheel ar chliner bypulling it upwards. #
Tofit: inse rtco ver 2 at bottom of the wheel
ar ch liner. #
Using a suitable object, turn the two mounts
1 ofthe co ver2 in clockwise direction as
fa r as they will go.
Re placing bulbs in the halo gen headla mp
Re quirements:
The lighting sy stem is switched off.
Low beam/high beam
R A H7 55 W light bulb is available.
R The bonnet is open.
Tu rn signal lights:
R A PWY 24W light bulb is available.
R The co ver in the front wheel ar chhas been
re mo ved. 1
Low beam
2 High beam
3 Turn signal lights #
Turn there leva nt housing co ver1–3 anti-
clockwise and remo veit. #
Low beam / high beam: turnthe soc ket
anti-clockwise and remo veit. #
Indicator: turnthe soc ket anti-clo ckwise,
re lease it and remo veit. #
Pull the bulb out of the soc ket. #
Inse rtthe new bulb into the soc ket su chthat
th e entire base of the bulb is resting on the
bottom of the soc ket. #
Inse rtthe soc ket and turn it clo ckwise. #
Press on the housing co ver and turn it clock‐
wise. #
Turn signal lights: installth e co ver in the
front wheel ar ch. Changing
there ar bulbs (vehicles with halo‐
ge n headla mps) Opening and closing
the side trim panels in
th e load compa rtment #
Toopen: release the side trim panel on the
left or right 1attheto p and fold it down in
th e direction of the ar row. 14 0
Light and sight

#
With your hand flat, push down active bonnet
1 inthe area around the hinges on bo th
sides (ar rows).
In doing so, the actuator is depressurised
and you may hear a hissing sound.
The engine bonnet must en gage in position. #
Ifth e active bonn etcan be raised slight lyat
th ere ar in the area of the hinges, repeat the
st ep until it engages cor rectl y. Opening and closing
the bonnet &
WARNING Risk of accident due todriv‐
ing with the bonn etunlo cked
The bonn etmay open and block your vie w. #
Neverre lease the bonn etwhen driving. #
Before every trip, ensure that the
engine bonn etis loc ked. &
WARNING Risk of accident and inju ry
when opening and closing the bonn et
The bonnet may suddenly drop into the end
position.
There is a risk of injury for an yone in the
engine bonn et's range of mo vement. #
Do not open or close the bonn etifth ere
is a person in the bonn et's range of
mo vement. &
WARNING Risk of burn s when opening
th e bonn et
If yo u open the bonn etwhen the engine has
ove rheated or when there is a fire inthe
engine compartment, thefo llowing situations
may occur:
R You could come into contact with hot
ga ses.
R You could come into contact with other
hot, escaping operating fluids. #
Before opening the bonn et, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the bonn etclosed and
call thefire service. &
WARNING Risk of injury duetomoving
parts
Components in the engine compartment may
continue running or start up sudden ly,even if
th e ignition is switched off.
Make sure of thefo llowing before per form ing
ta sks in the engine compartmen t: #
Switch the ignition off. #
Neverre ach into the danger zone sur‐
ro unding moving co mponents, e.g. the
ro tation area of thefa n. #
Remo vejewe llery and watches. #
Keep items of clo thing and hair away
from moving parts. 380
Maintenance and care

&
WARNING Risk of injury fromtouching
co mp onents under voltage
The ignition sy stem and the fuel injection
sy stem workunder high voltage. You could
re cei vean electric shoc k. #
Neverto uch co mponents of the ignition
sy stem or the fuel injection sy stem
when the ignition is switched on. &
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. &
WARNING Risk of injury from usingthe
windscreen wipers while the engine bon‐
net is open
When the engine bonn etis open, and the
windscreen wipers are set in motion, you can
be trapped bythe wiper linkage. #
Alw ays switch off the windscreen wip‐
ers and ignition before opening the
engine bonn et. *
NO
TEPlug-in hybrid #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Opens the bonnet
#
Torelease the bonn et, pull on handle 1. Maintenance and care
381

#
Push handle 1ofthe bonn etcatch up wards
and lift the bonn etuntil it opens automati‐
call y.
Closing the bonnet #
Lowe rth e bonn etto a height of around
20 cm and then allow it tofall, applying a lit‐
tle forc e as you let it go. #
Ifth e bonn etcan still be lif ted slightl y,open
th e bonn etagain and close it with a little
more forc e until it engages cor rectly. Engine oil
Che
cking the engine oil le vel using the oil
dip stick &
WARNING Risk of burn s from hot com‐
ponent parts in the engine compartment
Cer tain component parts in the engine com‐
partment can be very hot, e.g. the engine,
th e cooler and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch co mponent parts described in
th efo llowing. *
NO
TEPlug-in hybrid #
Obser vethe no tes in the Supplement.
Yo u could otherwise failto recognise
dangers. Re
quirements:
R The engine has an oil dipstic k.If not, the
engine oil le vel can be checked only with the
on-board computer (/ page 383) .
Depending on the engine, the oil dipstick may be
ins talled in the engine compartment in dif fere nt
locations.
The waiting time before checking the oil le vel
when the engine is at normal operating temp era‐
ture is five minutes. 382
Maintenance and care

Display messages
Possible causes/consequences and M MSolutions #
Visit or consult a qualified specialist workshop immediatel y.Ù
Steering malfunction Stop
immediately See Owner's
Manual *T
hesteering is malfunctioning. Steering capability is significant lyimpaired. &
WARNING Risk of accident if steering capability is impaired
If th esteering does not function as intended, theve hicle's operating saf ety is jeopardised. #
Pull over and stop theve hicle safely as soon as possible, paying attention toroad and traf fic conditions.
Do not continue driving under any circums tances. #
Consult a qualified specialist workshop. Active bonnet malfunction
See Owner's Manual
*T
he active bonnet (pedestrian pr otection) is malfunctioning or inoperative af ter having already been triggered. #
Consult a qualified specialist workshop.
C *A
t least one door is open. #
Close all doors.
? *T
he bonnet is open. &
WARNING Risk of accident due todriving with the bonn etunlo cked
The bonn etmay open and block your vie w. 464
Display messages and warning/indicator lamps

EBD (Electronic Brake
forc e Distribu‐
tion)
Function/no tes..................................... 19 6
ECO Assist Function/no tes...................................... 171
ECO display Function................................................ 17 0
ECO start/s top function
Au tomatic engine start.......................... 16 8
Au tomatic engine stop...........................1 68
Operation.............................................. 16 8
Switching off/on................................... 17 0
Electric pa rking brake
Applying automaticall y.......................... 188
App lying or releasing manuall y.............. 19 0
Emergency braking................................ 19 0
Re leasing automaticall y......................... 189
Electrical fuses see Fuses
Electromagnetic compatibility Declaration of conformity........................ 25
Electronic Stability Prog ram
see ESP ®
(Electronic Stability Prog ram) Emer
gency
Fire extinguisher.................................... 395
Fir st-aid kit (so ftsided).........................3 95
Overview of the help functions................ 18
Re moving thewa rning triangle.............. 394
Saf etyve st............................................. 394
Setting up thewa rning triangle............. 395
Emer gency braking ................................... 19 0
Emer gency braking
see BAS (Brake Assi stSystem)
Emer gency engine start............................ 413
Emer gency key
Inserting/removing................................. 74
Locking a door........................................ 79
Un locking a door..................................... 79
Un locking theta ilgate............................ .85
Emer gency operation mode
St arting theve hicle...............................1 63
Emer gency spare wheel
No tes..................................................... 431
ENERGIZING COMFORT Overview of programmes.......................2 91
St arting the programme........................ 292 Engine
ECO start/ stop function........................ 16 8
Engine number...................................... 435
St arting (eme rgency operation mode)...1 63
St arting (Remo teOnline).......................1 64
St arting (s tart/s top button).................. 16 2
St arting assis tance................................ 406
Switching off (s tart/s top button).......... 185
Engine bonnet Function (active bonnet)........................ 379
Opening/closing................................... 380
Engine data Displaying..............................................1 74
Engine electronics Notes....................................................4 33
Engine number......................................... .435
Engine oil Additives...............................................4 43
Capacity................................................ 444
Checking the oil le vel using the oil
dipstick................................................. 382
Checking the oil le vel using the on-
board computer..................................... 383
MB-Fr eigabe or MB-Appr oval................ .444 534
Index