3 Securing bolts
4 Breather hose
E Remove securing screws 3.
E Pull breather hose 4 off from the front
end of the battery.
E Pull the battery out a little.
E Vehicle with a rotary seat: pull the
battery out far enough from the seat
base so that the retaining bolt for the
rotary seat is no longer above the nega-
tive terminal.
E Disconnect the negative clamp from
the negative terminal.
E Remove the negative clamp so that it is
no longer able to touch the terminal.
Removing the battery
E Disconnect the battery (e page 259).
E Pull the battery far enough out of the
seat base so that the positive terminal
is outside the seat base.
E Place the rear of the battery on the
door sill and hold the battery by its
front bar.
E Remove the cover from the positive ter-
minal clamp.
E Loosen the positive terminal clamp on
the positive pole.
E Remove the positive clamp so that it is
no longer in contact with the terminal.
E Fold the bar upwards and remove the
battery from the seat base.
Recharging the battery
G
Risk of injury
Only charge the battery in well-ventilated
areas. As the battery is being charged,
gases can escape and generate minor explo-
sions, which can injure you and others or
may cause damage to the paintwork or acid
corrosion on the vehicle.
There is a risk of acid burns during the
charging process due to the gases which es-
cape from the battery. Do not, therefore,
lean over the battery while it is being re-
charged.
! Only charge the fitted battery with a bat-
tery charger that has been tested and approved
by Mercedes-Benz. This device allows the bat-
tery to be charged when it is fitted in the ve-
hicle. The vehicle’s electronics system may oth-
erwise be damaged.
E Recharge the removed battery. Ob-
serve the notes in the operating in-
structions for your battery charger.
E Refit the battery in the reverse order.
Reconnecting the battery
! Always reconnect the battery in the se-
quence described below. Never swap the termi-
nal clamps. You may otherwise damage the ve-
hicle electronics.
E Switch off all electrical consumers.
E Connect the positive terminal clamp
and fasten its cover.
E Vehicles with a rotary seat: pull the
battery out from under the seat base
far enough that the retaining bolt for
Operation
Maintenance
260
4
Nur fuer internen Gebrauch
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