Mercedes-Benz CLS-Class 2008 Owners Manual - Manual (Page 425)

424
Practical hints
Jump starting
The battery is located in the trunk under-
neath the luggage box (
୴ page 397). Only
jump start the vehicle from the battery in
the trunk.
̈ Make sure the two vehicles do not
touch.
̈ Turn off all electrical consumers.
̈ Apply parking brake ( ୴ page 59).
̈ Make sure the gear selector lever is set
to position P.
̈ Open the trunk.
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
̈ Connect positive terminals 1 and 3
of the batteries with the jumper cable.
Clamp cable to charged battery
3
first.
̈ 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.
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 terminals
2 and 4 and then
from positive terminals 1 and 3.
You can now switch on the headlamps.
̈ Have the battery checked at the near-
est authorized Mercedes-Benz Center.
! Never invert the terminal connections!