Mercedes-Benz M-Class 2007 Owners Manual - Manual (Page 518)

517
Practical hints
Jump starting
̈ Connect positive terminal 1 and 2
with the jumper cable. Clamp cable to
charged battery
1 first.
̈ Start engine of the vehicle with the
charged battery and run at idle speed.
̈ Connect negative terminals 3 and 4
of the batteries with the second jumper
cable. Clamp the cable to negative
terminal
3 of the charged battery
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
4 and 3 and then
from positive terminals 2 and 1.
You can now switch on the headlamps.
̈ Have the battery checked at the near-
est authorized Mercedes-Benz Light
Truck Center.
! Never invert the terminal connections!