Removing/fitting the battery
X To remove: disconnect the battery
(Y page 307).
X Loosen the bol twhich holds the battery in
place.
X Remove the battery.
X To fit: follow the steps described in "To
remove" in reverse order. Reconnecting the battery
! Always connect the battery in the order
described below. Never swap the terminal
clamps. You may otherwise damage the
vehicle electronics.
X Switch off all electrical consumers (e.g.
radio, blower, etc.).
X Connect the positive terminal clamp and
secure the cover.
X Connect the negative terminal clamp.
X Put the filter box back in place, then clip in
and close the retaining clamps.
X Close the bonnet.
i If the power supply has been interrupted,
e.g. if the battery has been reconnected,
you must carry out the following tasks:
R set the clock (Y page 226).
R reset the function for automatically fold-
ing the exterior mirrors in/out by folding
the mirrors out once (Y page 110).Charging the battery
G
WARNING
Only charge the battery in awell-ventilated
area. As the 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.
You can obtain information about battery
chargers which allow the battery to be charged while still installed from
aqualified
specialist workshop, e.g. aMercedes-Benz
Service Centre. G
WARNING
There is arisk of acid burns during the charg-
ing process due to the gases which escape
from the battery. Do not lean over the battery
during the chargin gprocess. G
WARNING
Battery acid is caustic. Avoid contact with the
skin ,eyes or clothing.
! Only charge the installed batter ywith a
batter ycharger which has been tested and
approved by Mercedes-Benz .These battery
chargers allow the battery to be charged
while still installed.
! Only use battery chargers with amaxi-
mum charging voltage of 14.8 V.
! Only charge the battery using the jump-
start connection point.
The jump-starting connection point is in the
engine compartment( Ypage 309).
X Open the bonnet (Y page 281).
X Connect the battery charger to the positive
terminal and earth point in the same order
as when connecting the donor battery in
the jump-starting procedure
(Y page 309).
X Read the battery charger's operating
instructions before charging the battery. 308
BatteryBreakdown assistance
Example: Cabriolet
X
Press the mark on cover :inwards in the
direction of the arrow.
X Take cover :off the opening.
X Screw the towing ey einclockwise to the
stop and tighten it.
Removing the towin geye X
Loosen the towing ey eand unscrew it.
X Attach cover :to the bumpe rand press
unti lite ngages.
X Place the towing ey einthe vehicl etool kit. Towin
gthe vehicle with the rear axle
raised
Whe ntowing your vehicle with the rear axle
raised, it is important that you observe the
safety instructions (Y page 310).
! The ignition must be switched off if you
are towing the vehicle with the rear axle
raised. Intervention by ESP ®
could other-
wise damage the brake system. X
Switch on the hazard warning lamps
(Y page 117).
X Turn the key in the ignition lock to position
0and remove the key from the ignition
lock.
X When leaving the vehicle, take the key or
the KEYLESS-GO key with you. Towing the vehicle with both axles on
the ground
It is important that you observe the safety
instructions when towing away your vehicle
(Y page 310). G
WARNING
The power assistance for the steering and the
brake force booster do not work when the
engine is not running. You will then need
much more effort to brake and steer the vehi-
cle. Adapt your style of driving accordingly.
X Switch on the hazard warning lamps
(Y page 117).
i When towing with the hazard warning
lamps switched on, use the combination
switch as usual to signal achange of direc-
tion. In this case, only the turn signals for
the desired direction flash. When the com-
bination switch is reset, the hazard warning
lamps start flashing again.
X Turn the key to position 2in the ignition
lock.
X When the vehicle is stationary, depress the
brake pedal and keep it depressed.
X Vehicles with manualt ransmission:
depress the clutch pedal.
X Shift to neutral.
or
X Vehicles with automatic transmission:
shift the automatic transmission to posi-
tion N.
X Release the brake pedal.
X Release the parking brake. 312
Towing and tow-startingBreakdown assistance