Using the interior
roof car rier sy stem &
WARNING Risk of inju rydue tounse‐
cured loads
When you secure or loosen a load, the load
may fall down and injure vehicle occupants. #
When securing or loosening a load, do
not stand under the load. *
NO
TERisk of damage tothe belt stra ps
and slider Excessive point loading on
the belt stra ps and
sliders may cause the belt stra ps totear or cause
the sliders tobreak off from thera ck
ra il. #
Distribute the load evenly. When doing
so, ensure that theove rall cen ter of
gr av ity of the load is alw ays as close to
th e center as possible and between the
ro of rails and between thera ck rails. Yo
u can use the interior roof rack system to
secure loads. It is also suitable for securing long
loads.
% The interior
roof rack system may be subjec‐
te dto a maximum load of 110 lbs (50 kg).
The interior roof rack system consists of thefo l‐
lowing components:
R Roofrails 1 are attached tothero of of the
ve hicle.
R Rack rails 2 are scr ewed onto thero of rails
and can be mo ved.
R Rack rail2 is equipped with slider pair 4.
Slider pair 4with attached belt stra p5 can
be mo ved. Load 6isstowe dby placing and
lashing it in belt stra p5.
R The load has tobe secured in the direction of
tra vel and in the opposite direction tothe direction of tra
vel using two head lashings
3. Tr
ansporting 275
#
Tomo vetherack ra ils:unsc rew star knobs
7 coun ter-clockwise until they are slightly
loose. #
Slide rack rail2 along roof rail1 tothe
desired position. #
Screw star knobs 7tight clo ckwise. #
Check that thera ck rail is seated securely.
Moving the sliders &
WARNING Risk of inju rydue toinade‐
qu ately secured loads
If th e slider of the interior roof rack system is
not engaged proper ly,th e load may come
loose, fall down and injure people, for
ins tance when they enter or load and unload
th e cargo compartment. #
Always engage the slider properly. %
Ring
8of slider 4must alw ays be at an
angle of 90° torack rail2, so that slider 4
is engaged proper ly. #
When thering of the slider is at an angle
of 90° totherack ra il:pull ring 8 of slider
4 down and simul taneously mo veslider 4
to the desired position. #
Release ring 8 atthe desired position. #
Moveslider 4slightly fur ther along on rack
ra il2 until slider 4engages automaticall y. #
When thering of the slider is pa rallel to
th erack ra il:mo veslider 4tothe desired
position. #
Position ring 8 of slider 4at an angle of
90° torack rail2.
Slider 4is engaged. Ad
justing the belt strap #
Press and hold the locking mechanism on
slider 9. #
Pull or release belt stra p5. #
Release the locking mechanism on slider 9.
% When securing or loosening a load, be sure
to not stand under the load.
Securing and loosening the load #
Tosecure the load: placethe load in the belt
st ra ps of thera ck rails. #
Fasten the load flush with the partition. #
Secure belt stra p5. #
Check that the load is seated securel y. #
Toloosen the load: press and hold the lock‐
ing mechanism on slider 9. #
Pull ring 8 ofthe slider down and simultane‐
ously mo vethe slider away from the load. #
Loosen belt stra p5 and at the same time
make sure that the load does not fall out of
th e belt stra ps. #
Remo vethe load from the belt stra ps.
Installing cargo tie down rings 276
Transporting
#
Turn thering of cargo tie-down ring B until it
is pa rallel tothe longitudinal axis of cargo tie-
down ring C. #
Hold cargo tie-down ring C between the
index finger and middle finger and place your
th umb thro ugh thering of cargo tie-down ring
B and onto the cent ral pressure point. #
Use your thumb topush the locking pin down
as far as it will go. #
Push cargo tie-down ring C near the load
th ro ugh the notches on rack rail2 and mo ve
it appr oximately 0.5 in (12 mm). #
Remo veyour thumb from the pressure point
and slide cargo tie-down ring C until it
engages. #
Turn thering of cargo tie-down ring B until it
is pe rpendicular tothe longitudinal axis of
cargo tie-down ring C.
Cargo tie-down ring C is secu red.
Re moving cargo tie down rings #
Turn thering of cargo tie-down ring B until it
is pa rallel tothe longitudinal axis of cargo tie-
down ring C. #
Grip cargo tie-down ring C as described
ab ove under ins talling and use your thumb to
push the locking pin down as far as it will go. #
Slide cargo tie-down ring C and pull it down
and out thro ugh the notches of rack rail2.
At taching the head lashing &
WARNING Risk of inju rydue toincor‐
re ctly secu red loads
When the hooks on the head lashing are
attached totherings of the sliders, the slid‐
ers could come loose. The load may come
loose, fall down and injure people, for
ins tance when they enter or load and unload
th e cargo compartment. #
Only atta chthe hooks on the head lash‐
ing totherings of the cargo tie-down
ri ngs. %
The hoo
kson head lashing 3may only be
attached totherings of cargo tie down rings
B. #
Check that the load is seated securel y. #
Toattach the head lashing: tension head
lashing 3at bo thends of load 6and
attach two hooks Aofthe head lashing to
th erings of cargo tie down rings B. Placing a load on the wheel ar
ch
Comply with the impor tant sa fety no tes under
"No tes on loading" (/ page271). #
Place the objects on wheel ar ch2 and lash
th em using tie-down eyes 1(/ page273).
% A wheel arch may be subjec
tedto a load of
330 lb (150 kg). Tr
ansporting 277
ASS
YST PLUS se rvice inter val display Fu
nction of the ASS YST PLUS se rvice inter val
displ ay The ASS
YST PLUS service inter val display on the
instrument display pr ovides information on the
re maining time or dis tance be fore the next
service due date.
Yo u can hide this service message byusing the
back button on the left-hand side of thesteering
wheel.
Yo u can obtain fur ther information concerning
th e servicing of your vehicle from a qualified spe‐
cialist workshop, e.g. an authorized Mercedes-
Benz Center. Displaying
the service due da te On-board computer:
4 Service 5
ASSYST PLUS
The next service due date is displa yed. #
Toexitth e displa y:press the back button on
th e left-hand side of thesteering wheel.
Bear in mind thefo llowing related topic:
R Operating the on-board com‐
puter(/ page176) Ca
rrying out maintenance workregular ly *
NO
TEPremature wearthro ugh failure to
obser veservice due dates Service
workwhich is not car ried out at the
ri ght time or incomple tely can lead to
inc reased wear and damage totheve hicle. #
Always obser vethe prescribed service
inter vals. #
Always ha vethe prescribed service
wo rkcar ried out at a qualified specialist
wo rkshop. Special service
requ irements The prescribed service inter
val is based on nor‐
mal vehicle use. Maintenance workwill need to
be per form ed more of tenth an presc ribed if the
ve hicle is operated under arduous conditions or
increased loads. Examples of arduous operating conditions:
R Regular city driving with frequent intermedi‐
ate stops
R Mainly short-dis tance driving
R Frequent operation in mountainous terrain or
on poor road sur faces
R When the engine is of ten le ftidling for long
periods
R Operation in particula rly dusty conditions
and/or if air-reci rculation mode is frequently
used
In these or similar operating conditions, ha vethe
interior air filter, engine air cleaner, engine oil and
oil filter etc. changed more frequently. If theve hi‐
cle is subjected tohigher loads, the tires must be
ch ecked more frequentl y.Yo u can obtain fur ther
information at a qualified specialist workshop. Battery disconnection periods
The ASS
YST PLUS se rvice inter val display can
only calculate the service due date when the
battery is connected. #
Notedown the service due date displa yed on
th e Instrument Display before disconnecting
th e battery (/ page278). Engine compa
rtment Opening and closing the hood
&
WARNING Risk of accident if the engine
hood is unlatched while driving
An unloc ked engine hood may open up when
th eve hicle is in motion and block your vie w. #
Never unlatch the engine hood while
driving. #
Before every trip, ensure that the engine
hood is latched. &
WARNING Danger of bu rns when open‐
ing the hood
If yo u open the hood when the engine has
ove rheated or during a fire inthe engine com‐
partment, you could come into con tact wi th
hot gases or other escaping operating fluids. #
Before opening the hood, allow the
engine tocool down. 278
Maintenance and care
#
Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and call
th efire service. &
WARNING Risk of inju rydue tomoving
parts
Cer tain components in the engine compart‐
ment may continue tomo veor suddenly
mo veagain even af terth e ignition has been
switched off, e.g. the cooler fan.
Ma kesure of thefo llowing before per form ing
ta sks in the engine compartmen t:#
Switch the ignition off. #
Neverto uch the danger zone sur round‐
ing moving component parts, e.g. the
ro tation area of thefa n. #
Remo vejewe lry and watches. #
Keep items of clo thing and hair away
from moving parts. &
WARNING Risk of inju ryfrom touching
component parts under voltage
The ignition sy stem and the fuel injection sys‐
te m wo rkunder high voltage. If youto uch
component parts which are under voltage,
yo u could receive an electric shoc k.#
Neverto uch component parts of the
ignition sy stem or the fuel injection sys‐
te m when the ignition is switched on. Live components of
the fuel injection sy stem
include the injec tors,fo rex ample.
Live components of the ignition sy stem include
th efo llowing, forex ample:
R Ignition coils
R Spark plug connec tors
R Diagnostic soc ket &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch component parts desc ribed in the
fo llowing. If
yo u ha vetocar ryout any workinthe engine
compartment, touch only thefo llowing compo‐
nents:
R Hood
R Engine oil filler opening cap
R Washer fluid reser voir cap
R Coolant expansion reser voir cap &
WARNING Risk of inju ryfrom using the
windshield wipers while the engine hood
is open
When the engine hood is open and the wind‐
shield wipers are set in motion, you can be
trapped bythe wiper linkage. #
Always switch off the windshield wipers
and ignition before opening the engine
hood. #
Park theve hicle in a safe location and on a
le ve l sur face if possible. #
Switch off the engine. #
Secure theve hicle against rolling away. &
WARNING Risk of inju rywhen the hood
is opened
When you open the hood, it may suddenly
drop into the end position.
There is a risk of injury for an yone in the
hood's range of mo vement. #
Before releasing the hood, ensure that
th e support is firm ly seated in the
holder. #
Open the hood only when there is no-
one in the hood's range of mo vement. Maintenance and care
279
#
Toopen: pull handle 1torelease the hood. #
Reach into thega p and push the hood catch
handle upwards. #
Open the hood and hold it up. #
Take support 1from the brac ket on the
hood and pull it down wards. #
Inse rtthe support into the brac ket below 2. &
WARNING Risk offire due toflammable
material in the engine compartment or
th eex haust sy stem
Clo ths or other flammable materials left in
th e engine compartment bymis take could
igni teupon coming into con tact wi thhot sec‐
tions of the engine or exhaust sy stem. #
Ensure that there are no flammable
ex tern al materials in the engine com‐
partment or on theex haust sy stem
af te r maintenance workhas been con‐
ducted. &
WARNING Risk of accident and inju ry
when opening and closing the engine
hood
When opening or closing the engine hood, it
may suddenly drop into the end position.
There is a risk of injury for an yone in the
engine hood's range of mo vement. #
Only open or close the engine hood
when there are no persons in the engine
hood's range of mo vement. *
NO
TEDama getothe hood Pushing
the hood closed with your hands
could damage it. #
Toclose the hood, let it drop from the
specified height. #
Toclose: liftthe hood slightl y. #
Movesupport 1tothe brac ket on the hood
and apply light pressure toengage it. #
Lowe rth e hood and let it drop from a height
of appr oximately 0.5 ft(15 cm). #
If it is still possible tolift the hood a little,
open the hood again and let it drop from a
height of appr oximately 0.7 ft(20 cm) until it
engages cor rectly. Engine oil
Che
cking the engine oil le vel with a dip stick &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain component pa rts in the engine com‐
partment can be very hot, e.g. the engine, the
cooler and pa rts of theex haust sy stem. #
Letthe engine cool down and only
to uch the component parts described
as follo ws. Depending on
the engine, the dipstick may be in
va rying locations in the engine compartment.
Wa iting time before checking the oil le vel:
R engine at normal operating temp erature:
fi ve minutes
R engine not at normal operating temp erature
(the engine was only star ted briefly, forex am‐
ple): 30 minutes 280
Maintenance and care
Dip
stick (e xamp le) #
Park theve hicle on an even sur face. #
Remo vedipstick 1and wipe it off. #
Slowly insert dipstick 1into the dipstick
guide tube as far as it will go and pull it out
af te rth re e seconds.
R Oil le vel OK: the oil le vel is between the
MIN and the MAX mar k.
R Oil le velto o low: the oil le vel is at the MIN
mark or belo w. #
Ifth e oil le vel is too lo w,add appr ox.
1. 1 US qt (1 liter) engine oil. #
Ifth e oil le vel is too high, drain off excess
engine oil.
Vi sit a qualified specialist workshop.
Checking the engine oil le vel with the on-
board compu ter
Re quirements:
R The vehicle is le vel during the measuring
process.
R The hood is not open.
R Depending on the driving profile, the oil le vel
can be displa yed only af ter a driving time of
up to30 minutes and only when the ignition
is switched on.
On-board computer: 4 Service 5
Engine Oil Level
Yo u will see one of the following messa ges on
th e multifunction displa y:#
Measuring Engine Oil Level...: measurement
ofthe oil le vel not yet possible. Repeat the
qu ery af ter driving for a maximum of
30 minutes. #
Engine Oil Level OK andthe bar showing the
oil le vel on the multifunction display is green
and lies between "MIN" and "MAX": the oil
le ve l is OK. #
Engine Oil Level Drive until the engine is
warm. :wa rm upthe engine tooperating tem‐
perature. #
Engine Oil Level Correct Measurement Only
if Vehicle Is on Level Ground: park theve hicle
on a le vel sur face. #
Engine Oil Level Add 1,0 liq.gal. andthe bar
showing the oil le vel on the multifunction dis‐
play is orange and lies below "MIN": add
1. 1 US qt (1 l ) of engine oil. #
Reduce Engine Oil Level andthe bar showing
th e oil le vel on the multifunction display is
orange and lies abo ve"MAX": drain off excess
engine oil.
Vi sit a qualified specialist workshop. #
For Engine Oil Level Switch Ignition On :
switch on the ignition in order tocheck the
engine oil le vel. #
Engine Oil Level System Inoperative: the sen‐
sor is defective or not connected. Visit a
qu alified specialist workshop. #
Engine Oil Level System Currently Unavaila-
ble: close the hood.
% Ve
hicles with cold oil le vel displa ys:the oil
le ve l is automatically displa yed on the multi‐
function display af terth eve hicle has been
non-operational for an extended pe riod. If it
is not possible tomeasu rethe engine oil
le ve l, a cor responding message will appear.
Ad ding engine oil &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch component parts desc ribed in the
fo llowing. &
WARNING Danger of bu rns when open‐
ing the hood
If yo u open the hood when the engine has
ove rheated or during a fire inthe engine com‐
partment, you could come into con tact wi th
hot gases or other escaping operating fluids. Main
tenance and care 281
#
Before opening the hood, allow the
engine tocool down. #
Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and call
th efire service. If
yo u ha vetocar ryout any workinthe engine
compartment, touch only thefo llowing compo‐
nents:
R Hood
R Engine oil filler opening cap
R Washer fluid reser voir cap
R Coolant expansion reser voir cap &
WARNING Risk offire and injury from
engine oil
If engine oil comes into con tact wi thhot com‐
ponent parts in the engine compartment, it
may ignite. #
Make sure that no engine oil is spilled
next tothefiller opening. #
Allow the engine tocool off and thor‐
oughly clean the engine oil from compo‐
nent parts before starting theve hicle. *
NO
TEEngine damage due toincor rect oil
fi lter, incor rect oil or additi ve #
Do not use engine oil or an oil filter with
specifications deviating from those
re qu ired forth e prescribed service
inter vals.
Mercedes-Benz recommends using original or
te sted replacement and service parts. #
Do not change the engine oil or oil filter
in order toset change inter vals longer
th an those prescribed. #
Do not use any additive. #
Follow the instructions on the service
inter val display forch anging the engine
oil. *
NO
TEDama gecaused byadding too
much engine oil To
o much engine oil can damage the engine
or the catalytic con verter. #
Have excess engine oil remo ved at a
qu alified specialist workshop. Engine OM651
Engine OM642
#
Turn cap 1counter-clockwise and remo veit. #
Add engine oil. #
Replace cap 1and turn it clockwise until it
engages. #
Check the oil le vel again. Check using the on-
board computer (/ page 281),check with
th e oil dipstick (/ page 280). Checking
the coolant le vel &
WARNING Risk of bu rns from hot com‐
ponent parts in the engine compartment
Cer tain components in the engine compart‐
ment can be very hot, e.g. the engine, the
ra diator and parts of theex haust sy stem. #
Allow the engine tocool down and only
to uch component parts desc ribed in the
fo llowing. 282
Maintenance and care