Benz. Contact a qualified specialist workshop
for further information.
Have the battery charge level checked more
frequently if you use the vehicle mainly for
short trips or if you leave it standing idle for
a lengthy period .Consult a qualified specialist
workshop if you wish to leave your vehicle
parked for a long period of time.
i Remove the SmartKey if you park the
vehicle and do not require any electrical
consumers. The vehicle will then use very
little energy, thus conserving battery
power.
i If the power supply has been interrupted,
e.g. if you reconnect the battery, you will
have to:
R set the clock; see the separate operating
instructions.
On vehicles with COMAND and a
navigation system, the clock is set
automatically.
R reset the function for folding the exterior
mirrors in/out automatically, by folding
the mirrors out once (Y page 101).Charging the battery
G
WARNING
Never charge a battery still installed in the
vehicle unless a battery charger unit approved
by Mercedes-Benz is being used. Gases may
escape during charging and cause explosions
that may result in paint damage, corrosion or
personal injury.
Ab attery charge runit specially adapted for
Mercedes-Benz vehicles and tested and
approved by Mercedes-Benz is available as an
accessory. It permits the charging of the
battery in its installed position. Contact an
authorized Mercedes-Benz Center for further
informatio nand availability.
Charge the battery in accordance with the
separate instructions for the battery charger. G
WARNING
There is a ris kofacid burns during the
charging process due to the gases which
escape from the battery .Do not lean over the
battery during the charging process. G
WARNING
Battery acid is caustic. Avoid contact with the
skin, eyes or clothing.
! Only use battery chargers with a
maximum charging voltage of 14.8 V.
! Only charge the battery using the jump-
starting connection point.
The jump-starting connection point is in the
engine compartment.
Read the battery charger's operating
instructions before charging the battery.
X Open the hood (Y page 276).
X Connect the battery charger to the positive
terminal and ground point in the same
order as when connecting the donor
battery in the jump-starting procedure
(Y page 299). 298
Battery (vehicle)Breakdown assistance
Installing/removing the towing eye
Installing the towing eye G
WARNING
The exhaust tail pipe may be hot .You could
burn yourself if you touch the tail pipe. Be
particularly careful when removing the rear
cover. The mountings for the removable towing eyes
are located in the bumpers. They are at the
front and at the rear, under the covers.
X Press the mark on cover 0003inwards in the
direction of the arrow.
X Take cover 0003off the opening.
X Remove the towing eye from the vehicle
tool kit (Y page 291).
X Screw the towing eye in clockwise to the
stop and tighten it.
Removing the towing eye X
Loosen the towing eye and unscrew it.
X Attach cover 0003to the bumper and press
until it engages.
X Place the towing eye in the vehicle tool kit. Towing the vehicle with the rear axle
raised
! The ignition must be switched off if you
are towing the vehicle with the rear axle
raised. Intervention by ESP ®
could
otherwise damage the brake system.
X Switch on the hazard warning lamps
(Y page 109).
X Turn the SmartKey to position 0in the
ignition lock and remove the SmartKey
from the ignition lock.
X When leaving the vehicle, take the
SmartKey or the KEYLESS-GO key with you.
When towing your vehicle with the rear axle
raised, it is important that you observe the
safety instructions (Y page 301). Towing
avehicle with both axles on
the ground 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
vehicle .Adapt your style of driving
accordingly.
X Switch on the hazard warning lamps
(Y page 109).
i When towing with the hazard warning
lamps switched on, use the combination
switch as usual to signal a change of
direction. In this case, only the turn signals
for the desired direction flash. When the
combination switch is reset, the hazard
warning lamps start flashing again.
X Turn the SmartKey to position 2in the
ignition lock.
X When the vehicle is stationary, depress the
brake pedal and keep it depressed.
X Vehicles with manual transmission:
depress the clutch pedal.
X Shift to neutral. 302
Towing and tow-startingBreakdown assistance