347 Practical hints
Jump starting
The battery is located in the trunk on the
right hand side underneath the luggage
box (
page 325). Only jump start the ve-
hicle from the battery in the trunk.
Make sure that the two vehicles do not
touch.
Turn off all electrical consumers.
Apply parking brake.
Shift selector lever to positionP.1Positive terminal of charged battery
2Positive terminal of discharged battery
3Vehicle ground
4Negative terminal of charged battery
Connect positive terminals1 and2 of
the batteries with the jumper cables.
Clamp cable to charged battery1 first.
Start engine of the vehicle with the
charged battery and run at idle speed.
Connect negative terminal4 of the
charged battery and vehicle ground3
(lock ring of the trunk lid lock) in the
trunk with the jumper cable. Clamp ca-
ble to charged battery4 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
vehicle ground3 and negative
terminal4 and then from positive
terminals1 and2.
Have the battery checked at the next
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
(page 266).
iThe 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.
!Vehicles with automatic transmission:
Do not tow-start the vehicle.
