328 Practical hintsJump startingThe 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 parking brake.
Shift gear selector lever to positionP.1Positive terminal of charged battery
2Positive under hood terminal in front of 
discharged battery
3Negative terminal of charged battery
4Negative under hood terminal in front 
of discharged battery
Connect positive terminal1 of the 
charged battery with positive under 
hood terminal2 in front of the 
discharged battery 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 terminal3 of the 
charged battery with negative under 
hood terminal4 in front of the 
discharged battery with the jumper 
cables. Clamp cable to charged 
battery3 first.
Start the engine of the disabled 
vehicle.
You can now again turn on the electrical 
consumers. Do not turn on the lights under 
any circumstances.
Remove the jumper cables first from 
negative terminals3 and4 and then 
from positive terminals1 and2.
You can now turn on the lights.
Have the battery checked at the near-
est 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 258).
!Do not tow-start the vehicle.