Mercedes-Benz SLS AMG GT Coupe, Operator'S Manual

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If the battery is fully discharged, leave the battery that is being used to jump-start connected
for a few minutes before attempting to start. This charges the battery slightly.
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Make sure that the two vehicles do not touch.
Make sure that:
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the jumper cables are not damaged.
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when the jumper cables are connected to the battery, uninsulated sections of the terminal
clamp do not come into contact with other metal sections.
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the jumper cables cannot come into contact with parts such as the V-belt pulley or the fan.
These parts move when the engine is started and while it is running.
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Press the electric parking brake handle.
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Shift the transmission to P with the button in the center console.
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Remove the SmartKey from the ignition lock.
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Switch off all electrical consumers (e.g. radio, blower, etc.).
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Open the hood (
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page 218).
Position number B identifies the charged battery of the other vehicle or an equivalent jump-
starting device.
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Slide cover A of positive terminal : in the direction of the arrow.
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Connect positive terminal : on your vehicle to positive terminal ; of donor battery B
using the jumper cable, beginning with your own battery.
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Start the engine of the donor vehicle and run it at idling speed.
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Connect negative terminal = of donor battery B to earth point ? of your vehicle using
the jumper cable, connecting the jumper cable to donor battery B first.
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Start the engine.
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Before disconnecting the jumper cables, let the engine run for several minutes.
Jump-starting
241
Breakdown
assistance
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