2010 Mercedes R-Class Owner's Manual - Page 339

251_AKB; 4; 52, en-US d2ureepe, 2009-03-23T09:22:52+01:00 - Seite 337 Version: 2.11.8.1 Jump starting that move when an engine is started or running. RShould X 337 the battery be drained completely, let the donating power source charge the vehicle for several minutes before reattempting the starting process. The jump-start contacts are located in the engine compartment on the passenger side. Make sure the two vehicles do not touch. X Switch off all electrical consumers. X Engage the parking brake. X Make sure the automatic transmission is in park position P. X Open the hood (Y page 222). 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. ! 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. X 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 =. Z Practical hints