424 Practical hintsJump startingThe main battery is located in the trunk un-
derneath the luggage box (
page 395).
Only jump start the vehicle from the bat-
tery in the trunk.
Make sure the two vehicles do not
touch.
Turn off all electrical consumers.
Apply parking brake (
page 59).
Make sure the gear selector lever is set
to positionP.
Open the trunk.1Positive terminal of discharged battery
2Negative terminal of discharged bat-
tery
3Positive terminal of charged battery
4Negative terminal of charged battery
Connect positive terminals1 and3
of the batteries with the jumper cable.
Clamp cable to charged battery3
first.
Start engine of the vehicle with the
charged battery and run at idle speed.
Connect negative terminals4 and2
of the batteries with the jumper cable.
Clamp cable to charged battery4
first.
Start the engine of the disabled vehi-
cle.
You can now turn on the electrical con-
sumers. Do not switch on the headlamps
under any circumstances.
Remove the jumper cables first from
negative terminals2 and4 and then
from positive terminals1 and3.
You can now switch on the headlamps.
Have the battery checked at the near-
est authorized Mercedes-Benz Center.
!
Never invert the terminal connections!
