Operation Manual

430
Practical hints
Batteries
왘 Open the hood (컄 page 282).
왘 Use the 10 mm open-end wrench from
the vehicle tool kit to disconnect the
negative lead from negative
terminal 2 of the starter battery
(
컄 page 427).
왘 Remove the covers from the positive
terminals 1 and 4 (
컄 page 427).
왘 Disconnect the positive lead from pos-
itive terminal 4 of the consumer bat-
tery (
컄 page 427).
왘 Disconnect the positive lead from pos-
itive terminal 1 of the starter battery
(
컄 page 427).
Removing the batteries
Removing the consumer battery
왘 Remove the screws securing the bat-
tery in the trunk.
왘 Remove the battery support and
bracket.
왘 Pull out the battery ventilation hose
from the battery.
Depending on battery arrangement in
your vehicle model, the ventilation tube
is located either on the left or right side
of the battery.
왘 Take out the battery.
Removing the starter battery
왘 Remove the screws securing the start-
er battery in the engine compartment.
왘 Pull battery ventilation 3
(
컄 page 427) out of the battery.
왘 Lift the retaining bracket.
왘 Remove the battery.
Charging and reinstalling batteries
Warning! G
Never charge a battery while still installed in
the vehicle unless the accessory battery
charge unit approved by Mercedes-Benz is
being used. Gases may escape during charg-
ing and cause explosions that may result in
paint damage, corrosion or personal injury.
An accessory battery charge unit specially
adapted for Mercedes-Benz vehicles and
tested and approved by Mercedes-Benz is
available, permitting the charging of the
battery in its installed position. Contact an
authorized Mercedes-Benz Center for infor-
mation and availability. Charge battery in
accordance with the separate instructions
for the accessory battery charger.
컄컄