2011 Mercedes C-Class Owner's Manual - Page 265
2011 Mercedes C-Class Manual
Page 265 highlights
Jump-starting X X 263 Manual transmission: engage neutral. Automatic transmission: move the selector lever to P. X Switch off all electrical consumers (e.g. radio, blower etc.). X Open the hood (Y page 238). Position number B identifies the charged battery of the other vehicle or an equivalent jumpstarting device. ! Never swap the terminal connections. X Slide cover : of positive terminal ; in the direction of the arrow. X Connect positive terminal ; on your vehicle to positive terminal = of donor battery B using the jumper cable, beginning with your own battery. X Start the engine of the donor vehicle and run it at idling speed. X Connect negative terminal ? of donor battery B to earth point A of your vehicle using the jumper cable, connecting the jumper cable to donor battery B first. X Start the engine. X First remove the jumper cable from earth point A and negative terminal ?, then from positive terminal ; and positive terminal =, each time disconnecting from the battery on your own vehicle first. X Have the battery checked at a qualified specialist workshop, e.g. an authorized MercedesBenz Center. Z Breakdown assistance