387 Practical hints
Jump starting
The battery is located in the engine 
compartment on the right hand side. The 
terminals for jump starting are located in 
front of the battery.
Make sure the two vehicles do not 
touch.
Turn off all electrical consumers.
Apply the parking brake (page 54).
Make sure the gear selector lever* is 
set to positionP (
page 153) (manual 
transmission: to Neutral (
page 149)).
Open the hood (page 274).
Flip up cover from the positive under 
hood terminal2 in front of the filter 
box (
page 383).1Positive terminal of charged battery
2Positive under hood terminal in front of 
discharged battery
3Negative under hood terminal in front 
of discharged battery
4Negative terminal of charged battery
Connect positive terminal1 of the 
charged battery with positive under 
hood terminal2 in front of the filter 
box with the jumper cable. Clamp cable 
to charged battery1 first.
Start engine of the vehicle with the 
charged battery and run at idle speed.
Connect the negative terminal4 of 
the charged battery with the negative 
under hood terminal3 in front of the 
filter box with the second jumper cable. 
Clamp cable to charged battery4 
first.
Start the engine of the disabled 
vehicle.
You can now turn on the electrical con-
sumers. Do not switch on the headlamps 
under any circumstances.
Remove the jumper cables first from 
the negative terminals3 and4 and 
then from the positive terminals2 
and1.
You can now switch on the headlamps.
Have the battery checked at the near-
est authorized Mercedes-Benz Center.
!Never invert the terminal connections!