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Practical hints
Jump starting
Warning!
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries
( page 303).
Make sure the two vehicles do not
touch.
Turn off all electrical consumers.
Apply the parking brake ( page 59).
Make sure the gear selector lever* is
set to position P (manual transmission
to Neutral).
Open the hood ( page 294).
Flip up cover from positive under hood
terminal 2 in front of water tray 1
( page 416).
420
G
1 Positive terminal of charged battery
2 Positive terminal
3 Negative terminal of charged battery
4 Negative terminal
Connect positive terminal 1 of the
charged battery with positive
under-hood terminal 2 in front of the
water tray with one jumper cable.
Clamp the cable to positive terminal 1
of the charged battery first.
!
Never invert the terminal connections.
Start the engine of the vehicle with the
charged battery and run at idle speed.
Connect negative terminal 3 of the
charged battery with negative
under-hood terminal 4 with the
second jumper cable. Clamp the cable
to negative terminal 3 of the charged
battery first.
Start the engine of the disabled
vehicle.
You can now turn on the electrical
consumers. Do not switch on the
headlamps under any circumstances.
Remove the jumper cables first from
negative terminals 3 and 4 and then
from positive terminals 2 and 1.
You can now switch on the headlamps.
Have the battery checked at the
nearest authorized Mercedes-Benz
Center.
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