i
Remove th ekeyif you park th evehicle
and do no trequire any electrical consum-
ers .The vehicl ewill then use ver ylittle
energy, thus conservin gthe battery.
i If th ebattery is discharged, you mus tuse
th ee mergenc ykey elemen ttounlockthe
vehicle. Disconnecting th
ebattery G
Ris
kofa ccident
If th ebattery is disconnected:
R theb rak eboostin geffec twill no tbea vail-
able. Greate rbrakin gforce will then be
require dand brak epedal travel will be lon-
ger .Ifn eces sary, depress th ebrak epedal
wit hm aximum force.
R thet ransmission is locke dinposition Pon
vehicles wit hautomati ctransmission*
! Always disconnect th ebattery in the
order described below. Never mix up the
terminal clam pdisconnection/connection
order and never mix up th eterminal
clamps. You may otherwise damag ethe
vehicl eelectronics.
X Firmly depress th eparkin gbrak eand on
vehicles wit hautomatic transmission*,
shift th etransmission to position P.
X Switc hoff all electrical consumer s(e.g.
radio, blower, etc.).
X Turn th ekeyto0(Y page 65 )inthe ignition
lock and remove it or make sure tha tno
ignition positio nhasbeen selecte dwith
KEYLESS GO *.In the instrument cluster, all
of the indicator lampsm ust be out.
X Open the bonnet. X
Release clamps 0047on filter box 0046.
X Remove filter box 0046.
X Remove the negative terminal clamp from
the battery.
X Remove the cover from the positive termi-
nal clamp.
X Remove the positive terminal clamp from
the battery.
X Disconnect the breather hose. Removing the battery
X Disconnect the battery ( Ypage 275).
X Loosen the bolt which holds the battery in
place.
X Remove the battery. Charging and fitting the battery
G
Risk of injury
Battery acid is caustic. Avoid contact with the
skin, eyesorc lothing.
Charging the battery G
Risk of injury
Only charge the battery in awell-ventilated
area.Ast he battery is being charged, gases
can escape and generate minor explosions.
This could injure you and other persons or
cause damage to the paintwork or acid cor-
rosion on the vehicle. Battery
275Practical advice
*optional
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-Seite 275 Z
Towin
gand tow-starting Points to remember
G
Ris
kofa ccident
If yo uhavet he vehicl etowed ,you must us ea
rigid towing ba rif:
R the engine is not running.
R there is abrake system malfunction.
R there is amalfunctio ninthe powe rsupply
or the vehicle's electrical system.
The powe rsteerin gand the brake force boos-
ter do not work when the engine is not run-
ning .Greate rbraking force will the nbe
required and brake peda ltravel will be longer.
If necessary ,dep ress the brake peda lwithf ull
force.
Before towing away ,makes uret ha tthe steer-
ing can be moved and is not locked.
If yo utow or tow-start anothe rvehicle, its
weight must not exceed the maximum per-
missibl egross vehicl eweigh tofy ourvehicle. G
Ris
kofa ccident
The vehicl eisbraked when the HOLD function
or DISTRONI CPLUS* is activated .Therefore,
deactivate HOLD and DISTRONI CPLUSift he
vehicl eistobet owed.
It is better to have the vehicl etransported
tha ntoh aveitt owed.
When towing ,obs erve the lega lrequirements
in al lcountrie sconcerned.
! When towing ,pulla wa yslowly and
smoothly. If the tractiv epower is too high,
the vehicles could be damaged.
! Do not us ethe towing ey efor recovery,
as thi scould damage the vehicle. If in
doubt, recover the vehicl ewithac rane.
! Youm aytow the vehicl efor am aximum
of 50 km. Atowing spee dof50k m/h must
not be exceeded.
For towing distances ove r50km, the entire
vehicl emustbel ifted up and transported. !
On vehicles with KEYLESS-GO *, usethe
key instea dofthe Start/Stop button. Turn
the key to position 2in the ignition lock and
shift the automatic transmission to N.Then
tur nthe key back to 0and leav eitinthe
ignition lock.
! Onlysecur ethe tow cable or towing bar
to the towing eyes .You could otherwise
damage the vehicle.
R Vehicle swithana utomatic transmission*
must not be tow-started.
R If yo uaretowing the vehicl eoveral onger
distance, thi smustbed onew itht he rear
axl eraised.
R Th eign ition must be switched off if yo uare
towing the vehicl ewitht he rea raxler aised.
Otherwise, interventio nbyESP®
could
damage the brake system.
R If the vehicl ehassuffered transmission
damage ,onlyt ow it with the propeller shaft
disconnected.
R If the engine does not start, try jump-start-
ing it (Y page 276).
R If it is not possibl etojump-star tthe vehicle,
have it towed to the neares tqualified spe-
cialist workshop ,e.g.aM ercedes-Benz
Service Centre.
R Th ea utomatic transmission* must be in
position Nwhen the vehicl eisbeing towed.
R Before towing the vehicle, make sure that
the battery is connected and charged. Oth-
erwise:
-yo uc annot switch on the ignition.
- yo uc annot shift the transmission to posi-
tion Non vehicles with automatic trans-
mission*.
- yo uh avenos upport when braking.
i Switch off the automatic locking feature
befor ethe vehicl eistowed (Y page 120).
Otherwise, yo ucould be locked ou twhen
pushing or towing the vehicle. 278
Towin
gand tow-startingPractical advice
*optional
207_AKB; 2; 3, en-GB
mkalafa
,V ersion: 2.11.8.1
2009-07-23T10:23:49+02:00
-Seite 278
