Remove theSmartKey if you park th evehicl e
and do no trequire any electrical consumers.
The vehicl ewill then use ver ylittl ee nergy, thus
conserving battery power .
If th epower suppl yhas been interrupted, e.g. if
you reconnect th ebattery, you will hav eto:
Rset th eclock usin gthe multimedia system;
see th eseparat eoperating instruction s
Rreset thefunction for foldin gthe exterio rmir-
ror sin/out automatically, by foldin gthe mir -
ror so ut once (
Ypage 97)
Charging th ebattery
GWARNIN G
During charging and jump-starting ,explosive
gase scan escape from th ebattery. There is a
ris kofane xplosion .
Particularly avoi dfire, open flames, creating
sparks and smoking. Ensur ethe re is sufficien t
ventilation while charging and jump-starting .
Do no tlean ove rabattery.
GWARNIN G
Battery acid is caustic. There is ariskofi njury.
Avoid contact wit hskin, eyes or clothing .Do
no tinhale any battery gases. Do no tlean ove r
th eb attery. Kee pchildren away from batter-
ies. Wash away battery acid immediately wit h
plenty of clean water and seek medical atten -
tion .
GWARNIN G
Ad ischarged battery can freez eattempera-
tures belo wfreezing point. When jump-start -
ing thevehicl eorc harging th ebattery, gase s
can escape from th ebattery. There is arisko f
an explosion .
Allow th efroze nbattery to thaw out before
charging it or jump-starting .
!Only use battery chargers wit hamaximum
charging voltag eof14.8V .
!Only charge th ebattery usin gthe jump-
starting connection point.
The jump-starting connection poin tisinthe
engin ecom partmen t(
Ypage 278).
XOpen thehood.
XConnect th ebattery charge rtothepositive
termina land ground poin tinthesam eorder
as when connecting th edonor battery in th e
jump-starting procedure (
Ypage 278).
If th eindicator/warning lamp sdonotligh tupi n
th ei nstrumen tcluste ratlow temperatures ,itis
ver ylikely that th edischarged battery has fro-
zen. In this cas eyou may neither jump-start th e
vehicl enorcharge th ebattery. The servic elife of
at hawed-out battery may be shorter. The start -
ing characteristics can be impaired, particularly
at low temperatures .Havet he thawed-out bat -
tery checke dataqualified specialist workshop.
Only charge th einstalled battery wit habattery
charge rwhic hh as been tested and approve dby
Mercedes-Benz .Abattery charge runi
ts p
ecially
adapted for Mercedes-Benz vehicles and tested
and approve dbyMercedes-Benz is available as
an accessory. It permit sthe charging of th ebat-
tery in it sinstalled position .Contac tana uthor-
ized Mercedes-Benz Cente rfor further informa-
tion and availability. Read th ebattery charger's
operating instruction sbefore charging th ebat-
tery.
Jump-starting
Fo rthe jump-starting procedure ,use only th ejump-starting connection point, consisting of apos-
itive termina land aground point, in th eenginec om partment.
GWARNIN G
Battery acid is caustic. There is ariskofi njury.
Avoid contact wit hskin, eyes or clothing .Donotinhale any battery gases. Do no tlean ove rthe
battery. Kee pchildren away from batteries. Wash away battery acid immediately wit hplenty of
clean water and seek medical attention .
278Jump-starting
Breakdown assistance
Asarule, yous houl dhavet he vehicl etrans-
ported.
RTowing the vehicl ewithat ow ropeort ow bar.
Onlyt ow the vehicl einexceptionalc ases.
The battery must be connected and charged.
Otherwise, you:
Rcanno tturn the SmartKeytop osition2in
the ignition lock.
Rcanno trelease the electri cparking brake.
Rcanno tshift the transmission to position i.
The functio nofthe electri cparking brake and
the parking lock is dependent on the on-board
voltage.
If the on-board voltag eislowor if ther eisasys-
tem malfunction:
Rthe electri cparking brake mayn ot be applied
in certain circumstances ,or
Rit maynol ongerbep ossibl etos hift the trans-
mission to position j
Switch off non-essentia lconsumers, e.g .the
radio.
Disar mthe automatic locking feature before the
vehicl eistowed (
Ypage 187). Yo ucould other-
wise be locked outw henp ushing or towing the
vehicle.
Installing/removin gthe towin geye
Installing the towin geye
The brackets for the screw-i ntowing ey eare
locate dinthe bumpers. The yareat the rea rand
at the front, under covers :.
XRemove the towing eyefrom the stowage
space.
The towing ey eislocate dw itht he vehicl etool
kit under the cargo compartment floor
(
Ypage 270).
Vehicles with the TIREFIT kit: the towing ey eis
beneath the tire inflation compressor
(
Ypage 271).
XPress the mark on cover :inwards in the
direction of the arrow.
XTake cover :off the opening.
XScrew in the towing ey eclockwise to the stop.
Removing the towin geye
XUnscrew and remove the towing eye.
XAttach cover :to the bumpe rand press until
it engages.
XPlace the towing ey einthe stowag ewell
beneath the cargo compartment floor in the
cargo compartment (
Ypage 270).
XVehicles with the TIREFIT kit: pu tbackt he tire
inflation compressor (Ypage 271).
Towin gthe vehicle with the fron taxle
raised
Observ ethe important safety notes when tow-
ing your vehicl ewitht he front axl eraised
(
Ypage 281).
Only vehicle swithou t4MATIC can be towed
with the fron taxler aised.
!Vehicles with 4MATIC must not be towed
with either the front or the rea raxler aised, as
doing so will damage the transmission.
Vehicles with 4MATIC maye ither be towed away
with both axles on the ground or be loaded up
and transported.
!The ignition must be switched off if the vehi-
cle is being towed with the front axl eraised.
Otherwise, ESP
®mayi ntervene and damage
the brake system.
XOn vehicle swithK EYLESS -GO or the KEY-
LESS-GO start function: youm ustu se the
SmartKeyi nsteadofthe Start/Stop button
(
Ypage 123).
XMake sure thatt he vehicleisstationary.
XTurn the SmartKeytop osition 2in the igni-
tio nlock.
282Towin gand tow-starting
Breakdo wn assis tance
