Mercedes-Benz SLS AMG Owner's Manual page 221

Towing and tow-starting
218
Position number B identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
Slide cover A of positive terminal : in the direction of the arrow.
X
Connect positive terminal : on your vehicle to positive terminal ; of donor battery B
X
using the jump lead, beginning with your own battery.
Start the engine of the donor vehicle and run it at idling speed.
X
Connect negative terminal = of donor battery B to earth point ? of your vehicle using
X
the jump lead, connecting the jump lead to donor battery B first.
Start the engine.
X
First, remove the jump lead from earth point ? and negative terminal =, then from positive
X
terminal : and positive terminal ;, each time disconnecting from the battery on your own
vehicle first.
Slide cover A of the positive terminal in the opposite direction to the arrow.
X
Have the battery checked at a qualified specialist workshop, e.g. a Mercedes-Benz Service
X
Centre.
Towing and tow-starting
Important safety notes
If the vehicle can no longer be driven because
of an accident or breakdown, you have the
following options:
Transporting the vehicle
R
As a rule, you should have the vehicle trans-
ported.
Towing the vehicle with the rear axle raised
R
Only tow the vehicle with the rear axle
raised in exceptional cases.
Towing the vehicle with a tow rope or tow
R
bar
Only tow the vehicle in exceptional cases.
The engine must be running if you tow the