Mercedes-Benz S-Class 2013 Owners Manual - Manual (Page 491)

X Secure the vehicle by applying the electric parking brake.
X Shift the transmission to position P.
X
Switch off all electrical consumers (e.g. radio, blower, etc.).
X Open the hood (
Y
page 462).
Position number A identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
X Remove the cover from positive terminal :.
X Connect positive terminal : on your vehicle to positive terminal ; of donor battery A
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 A to ground point ? of your vehicle using
the jumper cable, connecting the jumper cable to donor battery A first.
X
Start the engine.
X Before disconnecting the jumper cables, let the engine run for several minutes.
X First remove the jumper cables from ground point ? 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.
i Jump-starting is not considered to be a normal operating condition.
i Jumper cables and further information regarding jump starting can be obtained at any
qualified specialist workshop.
Jump-starting
489
Breakdown
assistance
Z