2010 Mercedes ML-Class Owner's Manual - Page 340

338 Towing the vehicle Practical hints Position C represents the charged battery of another vehicle or an equivalent starter pack. X Flip up cover : of positive terminal = in direction of arrow. X ! Never invert the terminal connections! X Connect positive terminal ; of charged battery C with positive terminal = with a jumper cable. Clamp the cable to positive terminal ; of charged battery C first. X Start engine of the vehicle with charged battery C and run at idle speed. X Slide cover A from negative terminal B in direction of arrow. X Connect negative terminal ? of charged battery C with negative terminal B with a jumper cable. Clamp the cable to negative terminal ? of charged battery C first. X Start engine of the vehicle with the discharged battery and run at idle speed. You can now turn on the electrical consumers. Do not switch on the headlamps under any circumstances. Remove the jumper cables from negative terminals ? and B first. X Remove the jumper cables from positive terminals ; and =. You can now switch on the headlamps. X Close cover : of positive terminal =. X Slide cover A back onto negative terminal B. X Have the battery checked at the nearest authorized Mercedes-Benz Center. Towing the vehicle Safety notes Mercedes-Benz recommends that the vehicle be transported with all wheels off the ground using flatbed or appropriate wheel lift/dolly equipment. This method is preferable to other types of towing. G Warning! HYBRID vehicles: It is imperative that you read the HYBRID Supplemental Operating Instructions included in your vehicle literature