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
