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
#
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
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 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. #
Intheeve nt of a fire inthe engine com‐
partment, keep the hood closed and call
th efire service. &
WARNING Risk of scalding from hot
coolant
The engine cooling sy stem is pressurized,
particular lywhen the engine is warm. If you
open the cap, you could be scalded byhot
coolant spr aying out. #
Letthe engine cool down before open‐
ing the cap. #
When opening the cap, wear pr otective
gl ove s and saf etygl asses. #
Open the cap slowly torelease pres‐
sure. Allow
the engine and the engine cooling sy stem
to cool down before checking the coolant le vel or
re filling coolant.
* NO
TEPaint wo rkdamage due tocoolant If coolant
gets on painted sur faces, the paint‐
wo rkcan be damaged. #
Add coolant carefully. #
Remo vespilled coolant. Checking
the coolant le vel Example: coolant
expansion reser voir #
Park theve hicle on an even sur face. #
Open the hood (/ page278). #
Slow ly tu rncoolant expansion reser voir cap
1 half a turn coun ter-clockwise and allow
exc ess pressure toescape. #
Turn coolant expansion reser voir cap 1fur‐
th er and remo veit. #
Check the coolant le vel.
There is enough coolant in coolant expansion
re ser voir if the coolant reaches the MAX
mar k.
Ad ding coolant #
Refill th e coolant tothe MAX mark on the
coolant expansion reser voir.
Only use coolant appr oved byMercedes-Benz to
avo id damaging the engine cooling sy stem. #
Replace coolant expansion reser voir cap 1
and tigh ten in a clo ckwise direction. #
Start the engine. #
After appro ximately five minutes, switch off
th e engine again and allow it tocool down. #
Che ckthe coolant le vel again and add coolant
if necessar y.
% Obser
veadditional coolant information
(/ page 347). Main
tenance and care 283
Data transmitted is
vehicle information. For any
qu estions about the collection, use and sharing
of the eCall sy stem data, please contact MBU‐
SA 's Cus tomer Assis tance Center at 800-FOR-
MERC.
Fo r Canada, please contact MBC’s Cust omer
Assis tance Center at 1-800-387-0 100.
Cust omer requ ests for co vered information
should be submitted via the same channels.
Fo r accident clarification purposes, thefo llowing
measures can be take n up toan hour af terthe
emer gency call has been initia ted:
R The cur rent vehicle position can be de ter‐
mined
R Avo ice connection totheve hicle occupants
can be es tablished Flat tire
Note
s onflat tires &
WARNING Risk of an accident when driv‐
ing wi thaflat tire
A flat tire greatly impairs driving characteris‐
tics, as well as steering and braking. #
Do not drive with a flat tire. #
Remo vetheflat tire and ins tallthe
spare wheel or consult a qualified spe‐
cialist workshop. Depending on
your vehicle's equipment, in the
eve nt of a flat tire you ha vethefo llowing possibil‐
ities:
R You can call breakdown assis tance via the
breakdown assis tance call button in theove r‐
head control panel (/ page196).
R Cha nge the wheel (/ page 327). Batte
ry Note
s onthe12 V battery &
WARNING Risk of an accident due to
wo rkcar ried out incor rectly on the bat‐
te ry
Wo rkcar ried out incor rectly on the battery
can, forex ample, lead toa short circuit. This
can lead tofunction restrictions in saf ety-re l‐
ev ant sy stems, forex ample the lighting sys‐
te m, ABS (anti-lock braking sy stem) or ESP ® (Elect
ronic Stability Prog ram). The operating
saf ety of your vehicle may be restricted.
Yo u could lose control of theve hicle in the
fo llowing situations:
R when braking
R intheeve nt of ab rupt steering maneuvers
and/or when theve hicle's speed is not
adap tedto thero ad conditions #
Intheeve nt of a sho rtcircuit or a simi‐
lar incident, contact a qualified special‐
ist workshop immediately. #
Do not continue driving. #
Always ha vewo rkon the battery car ried
out at a qualified specialist workshop. R
Further information on ABS (/ page146)
R Further information on ESP ®
(/ page 147)
Mercedes-Benz recommends that you ha vethe
12 V battery replaced at a qualified specialist
wo rkshop, e.g. at an authorized Mercedes-Benz
Center.
Should youwa nttoreplace the battery yourself,
obse rveth efo llowing information:
R Alwaysre place a faulty bat tery with a battery
which fulfills theve hicle's specific require‐
ments.
R Carryove r de tach able parts such as theve nt
hose, elbow fitting or term inal co ver from the
battery tobe replaced.
R Make sure that theve nt hose is al wayscon‐
nected toits original opening on the battery
side.
Ins tallth eex isting or newly supplied stop
plugs.
Otherwise, gases or battery acid could
escape.
R Make sure that the de tach able parts are con‐
nec ted in the same way as before.
Fo r saf etyre asons, Mercedes-Benz recommends
th at you on lyuse bat teries that ha vebeen tested
and appr ovedfo ryo ur vehicle byMercedes-Benz.
These batteries pr ovide inc reased impact pr otec‐
tion topreve ntvehicle occupants from suf fering
acid bu rns should the battery be damaged in an
accident. 294
Breakdown assis tance
Obser
vethe additional following points during
st arting assistance:
R Starting assis tance may only be pr ovided
using batteries with a nominal voltage of 12 V
R The vehicles must not touch each other
R Vehicles with a gasoline engine: only per‐
fo rm starting assis tance when the engine and
ex haust sy stem are cold #
Vehicles with a battery main switch: check
whe ther the battery main switch is inser ted
( / page 120) #
Secure theve hicle using the parking brake. #
Vehicles with automatic transmission:
shift the transmission toposition 005D. #
Switch off the ignition and all electrical con‐
sumers. #
Open the hood (/ page278). Example: jump-s
tart connection
% Right-hand drive
vehicle: the jump-s tart
connection may be on the opposite side. #
Remo vethe co ver from the positive term inal
on the donor batter y. #
First, connect the positive term inal clamp of
th e jumper cables/charging cables tothe
positive term inal of theot her vehicle's bat‐
te ry. #
With positive term inal clamp 2ofthe
jumper cable/charging cable, slide thered
pr otective cap on jump-s tarting connection
1 back with a clockwise turn. #
Connect theot her positive term inal clamp to
th e positive term inal of jump-s tart connection
1. #
During starting assistance: start the engine
of the donor vehicle and let it run at idle
speed. #
First, connect the negative term inal clamp of
th e jumper cable/charging cable tothe nega‐
tive pole of the donor batter y. #
Connect theot her negative term inal clamp of
th e jumper cable/charging cable toaground
po int on your ow nve hicle (a bare me tal part
in the engine compartment). #
During starting assistance: start the engine
on your ow nve hicle. #
When charging: start thech arging process. #
During starting assistance: letthe engine
ru nfo r a few minutes. #
During starting assistance: before discon‐
necting the jumper cable, switch on an elec‐
trical consumer on your ow nve hicle, e.g. the
re ar wind owheater or lighting.
When thest arting assis tance/charging process is
comple te: #
Remo vethe jumper cables/charging cables
in reve rse order: firs tth e negative clamp from
th e ground point in the engine compartment,
th en the negative clamp from the donor bat‐
te ry. Then the positive clamp from the posi‐
tive term inal of jump-s tart connection 1,
th en the positive clamp of the donor batter y.
The red pr otective cap springs back toits ini‐
tial position when positive term inal clamp 2
is disconnected from jump-s tarting connec‐
tion 1.
Yo u can obtain fur ther information at a qualified
specialist workshop. Installing/removing
thefloor co vering (vehi‐
cles with rear wheel drive) &
WARNING Risk of accident due to
objects in the driver's foot we ll
Objects in the driver's foot we ll may impede
pedal tr avel or block a depressed pedal.
This jeopardizes the operating and road
saf ety of theve hicle. #
Stow all objects in theve hicle securely
so that they cannot getinto the driver's
fo ot we ll. Breakdown assis
tance 297
Pe
rm issible towing me thods Bo
th axles on the
gr ound Fr
ont axle raised Re
ar axle raised
Ve hicles with auto‐
matic transmission and
re ar-wheel drive Ye
s, no fur ther than
31 miles (50 km) at
31 mp h (50 km/h) Ye
s, no fur ther than
31 miles (50 km) at
31 mp h (50 km/h) Ye
s, if thesteering
wheel is fixe d in the
center position wi th a
st eering wheel lock
Ve hicles with all-wheel
drive Ye
s, no fur ther than
31 miles (50 km) at
31 mp h (50 km/h) No
NoTo
tow with a raised axle: towing should be per‐
fo rm ed byato wing compan y. To
wing away theve hicle with bo thaxles on
th egr ound #
Obser vethe no tes on permissible towing
me thods (/ page 300). #
Make sure that the battery is connected and
ch arge d.
When the battery is dischar ged, thefo llowing sit‐
uations occur:
R The engine cannot be star ted.
R It is not possible torelease or apply the elec‐
tric parking brake.
R Vehicles with automatic transmission: the
automatic transmission cannot be shif tedto
position 005Cor005D.
* NO
TEDama gedue to to wing away at
exc essively high speeds or over long dis‐
ta nces The driv
etra in could be damaged when towing
at exc essively high speeds or over long dis‐
ta nces. #
Atowing speed of 30 mph (50 km/h)
must not be exceeded. #
Atowing distance of 30 miles (50 km)
must not be exceeded. %
Ve
hicles with automatic transmission
and rear wheel drive: ifth ere is a malfunc‐
tion, the automatic transmission may be
loc ked in position 005D. If
th e automatic transmission cann otbe shif‐
te dto position 005C, transport theve hicle
(/ page 303). A towing vehicle with lifting
equipment is requ ired forve hicle transport. &
WARNING Risk of accident when towing
a ve hicle which is too heavy
If th eve hicle being tow- star ted or towed
aw ay is heavier than the permissible gross
mass of your vehicle, thefo llowing situations
can occur:
R The towing eye may become de tach ed.
R The vehicle/trailer combination may
swer veoreve nove rturn. #
If ano ther vehicle is tow- star ted or
to we daw ay, its weight must not exceed
th e permissible gross mass of your own
ve hicle. If a
vehicle needs tobe towe d or tow star ted, its
we ight should not be greaterth at the permissible
gross mass of theto wing vehicle. #
Information on theve hicle's permissible gross
mass can be found on theve hicle identifica‐
tion plate (/ page 338). #
Vehicles with automatic transmission: do
not open the driver's or co-driver door, as the
automatic transmission will automatically
shift toposition 005D. #
Installth eto wing eye (/ page 304). #
Secure theto wing device. Breakdown assis
tance 301
*
NO
TEDama gedue toincor rect connec‐
tion of theto w bar #
Only connect theto w rope or tow bar to
th eto wing eyes. %
Yo
u can also secure theto wing device tothe
trailer hitch.
* NO
TEDama geand risk of accident when
to wing with a tow rope There is a
risk of an accident if you do not
obse rve saf ety and pr otective measures when
to wing using a tow rope.
Obser vethefo llowing points when towing
with a tow rope: #
Secure theto w rope on the same side
on bo thvehicles, if possible. #
Make sure theto w rope does not
exc eed the legally prescribed length. #
Mark theto w rope in the middle, e.g.
with a white clo th(30 x 30 cm). This
makes other road users aware that a
ve hicle is being towe d. #
Obser vethe brake lamps of theto wing
ve hicle while driving. Alw ays maintain a
dis tance that ensures theto w rope does
not sag. #
Do not use steel cables or chains to tow
yo ur vehicle. Otherwise, you could dam‐
age theve hicle. #
Deactivate automatic locking (/ page 50).#
Do not activate the HOLD function. #
Deactivate theto w- aw ay alarm (/ page 62). #
Deactivate Active Brake Assi st (/ page 150). #
Vehicles with automatic transmission:
shift the automatic transmission toposition
005C. #
Release the parking brake. &
WARNING Risk of accident due tolimi‐
te d saf ety-re lated functions during the
to wing process
Saf ety-re lated functions are limited or no lon‐
ge rav ailable in thefo llowing situations:
R the ignition is switched off.
R the brake sy stem or po werst eering sys‐
te m is malfunctioning.
R the energy supply or the on-board electri‐
cal sy stem is malfunctioning.
When your vehicle is then towe daw ay, signifi‐
cantly more ef fort may be requ ired tosteer
and brake than is normally required. #
Use a tow bar. #
Make sure that thesteering wheel can
mo vefreely, before towing theve hicle
aw ay. *
NO
TEDama gedue toexc essive tractive
po wer If
yo u pull away sharpl y,the tractive po wer
may be too high and theve hicles could be
damaged. #
Pull away slowly and smoo thly. To
wing a vehicle with the front or rear axle
ra ised *
NO
TEDama gewhen the ignition is
switched on If
yo u lea vethe ignition switched on when
to wing theve hicle with the front or rear axle
ra ised, ESP ®
actuation can damage the brake
sy stem. #
The ignition must be switched off. *
NO
TEDama gedue toincor rect remo val
or ins tallation of the propeller shafts When ins
talling the propeller shafts, they can
be damaged if you do not use new sc rews.
Alw ays use new scr ews when ins talling the
propeller shafts.
Only ha vethe propeller shafts ins talled or
re mo vedby qualified, skilled personnel. 302
Breakd own assi stance
Installing/removing
theto wing eye Ins
talling and removing the front towing eye #
Toinstall the front towing eye: press the
to p of the co ver and remo vethe co ver. #
Screw intowing eye1clockwise tothestop
and tighten. #
Toremo vethe front towing eye: unsc rew
to wing eye1 counter-clockwise. #
Insert the co ver with theta bs at theto p and
push in at the bottom until the co ver engages. Re
ar towing eye (vehicles with passenger vehicle
appr oval)
% Re
ar towing eye2 is permanently attached
to theve hicle.
* NO
TEDama getotheve hicle due to
incor rect use of theto 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 vehicle (eme rgency engine start) Ve
hicles with automatic transmission
* NO
TEDama getothe automatic trans‐
mission due to towstarting 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. #
Do not tow start vehicles with automatic
transmission. Electrical fuses
Note
s on electrical fuses &
WARNING Risk of accident and injury
due toove rloaded lines
If yo u manipulate or bridge a faulty fuse or if
yo ure place it with a fuse with a higher
amperage, the electric line could be overloa‐
ded.
This could result in a fire. #
Alwaysre place faulty fuses with speci‐
fi ed new fuses containing the cor rect
amperage. *
NO
TEDama gedue toincor rect fuses Electrical components or sy
stems could be
damaged byincor rect fuses. #
Only use fuses whi chhave been
appr ovedby Mercedes-Benz and which
ha ve the cor rect fuse rating. The electrical fuses in
your vehicle switch off
defective circuits. If a fuse blo ws, all the compo‐
nents on the circuit and their functions will cease
to operate.
Blown fuses must be replaced with fuses of an
equivalent specification, which you can de ter‐
mine bythe color and fuse rating. The fuse allo‐
cation chart and fur ther information on the elec‐
tric fuses and relays can be found in the "Fuse
allocation chart" supplement. 304
Breakd own assi stance