2004 Mercedes ML-Class Owner's Manual - Page 282

Practical hints Jump starting ! Never invert the terminal connections. Start the engine of the disabled vehicle. Now you can turn on the electrical consumers. Do not turn on the lights under any circumstances. Remove the jumper cables first from the negative terminals 2 and 3 and then from positive terminals 1 and 4. You can now turn on the lights. Have the battery checked at the nearest authorized Mercedes-Benz Light Truck Center. Warning! G Keep flames or sparks away from battery. Do not smoke. Observe all safety instructions and precautions when handling automotive batteries ( page 223). The battery is located on the right side of the engine compartment. Make sure the two vehicles do not touch. Turn off all electrical consumers. Apply parking brake. Shift gear selector lever to position P. Open the hood. Connect positive terminals 1 and 4 of the batteries with the jumper cable. Clamp cable to positive terminal 4 of charged battery first. 1 Positive terminal of discharged battery 2 Negative terminal of discharged battery 3 Negative terminal of charged battery 4 Positive terminal of charged battery Start engine of the vehicle with the charged battery and run at idle speed. Connect negative terminals 2 and 3 of the batteries with the jumper cable. Clamp cable to negative terminal 3 of charged battery first. ! Do not tow-start the vehicle. 282