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Practical hints
Jump starting
ț Always make sure the jumper cables
are not on or near pulleys, fans or other
parts that move when the engine is
started or running.
The main battery is located in the trunk un-
derneath the luggage box (
୴ page 401).
̈ Make sure the two vehicles do not
touch.
̈ Turn off all electrical consumers.
̈ Apply parking brake.
̈ Shift gear selector lever to position P.
̈ Connect positive terminals 1 and 3
of the batteries with the jumper cable.
Clamp cable to charged battery 3
first.
1 Positive terminal of discharged battery
2 Negative terminal of discharged bat-
tery
3 Positive terminal of charged battery
4 Negative terminal of charged battery
̈ Start engine of the vehicle with the
charged battery and run at idle speed.
̈ Connect negative terminals 4 and 2
of the batteries with the jumper cable.
Clamp cable to charged battery 4
first.
̈ Start the engine of the disabled vehi-
cle.
Now you can again turn on the electrical
consumers. Do not turn on the lights under
any circumstances.
̈ Remove the jumper cables first from
negative terminals 2 and 4 and then
from positive terminals 1 and 3.
Now you can turn on the lights.
̈ Have the battery checked at the near-
est authorized Mercedes-Benz Center.
Warning! G
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries
(
୴ page 299).
!
Never invert the terminal connections!
i
The message
Malfunction - electric
consumers switched off
may appear
in the instrument cluster. It will disap-
pear as soon as the battery is suffi-
ciently charged.