419
Practical hints
Batteries
! Always disconnect the batteries in the or-
der described below, even if you only want to
charge the starter battery, for example. Oth-
erwise, the vehicle’s electronics could be dam-
aged.
i Using the Maybach battery charger*
(컄 page 267), it is only possible to charge or
maintain the existing charge in the battery for
electrical consumers, not the starter battery.
왘
Depress parking brake firmly and
move gear selector lever to
position P.
왘 Turn off the engine (컄 page 78).
왘 Turn off all electrical consumers.
왘 Remove SmartKey from starter
switch.
왘 In vehicles with KEYLESS-GO**: Open
the driver‘s door.
왘 Open the trunk (컄 page 123).
왘 Read and observe safety instructions
and precautions (컄 page 417).
왘 Remove trunk floor from right hand
side of the trunk.
The consumer battery is located in
the trunk on the right hand side.
왘 Read and observe safety instructions
and precautions (
컄 page 417).
왘 Disconnect negative terminal from
consumer battery.
왘 Open hood.
The starter battery is located in the
engine compartment on the passen-
ger side.
왘 Read and observe safety instructions
and precautions (
컄 page 417).
왘 Disconnect negative terminal of start-
er battery.
왘 Remove cover from positive terminal.
왘 Disconnect the positive lead of con-
sumer battery and of the starter bat-
tery.
Removing the consumer battery
왘 Loosen the screws that hold the con-
sumer battery in the trunk in place.
왘 Remove battery’s support and
bracket.
왘 Pull out the battery ventilation tube
from the battery (depending on bat-
tery arrangement in your vehicle
model, the ventilation tube is located
either on the left or right side of the
battery).
왘 Take battery out of trunk.
Warning! G
The electro-hydraulic brake system re-
quires electrical power to operate.
A malfunction in the vehicle’s power sup-
ply or electrical system may impair brake
system operation and switch it into its
emergency operation mode. The same ap-
plies if battery is disconnected. To brake,
the driver must then apply significantly
greater brake pedal pressure and depress
the pedal much further to obtain the ex-
pected braking effect. If necessary, apply
full pressure to the brake pedal. Brakes are
only applied to the front wheels. Stopping
distance is increased! Adjust your driving
style accordingly. For more information,
refer to “Electro-hydraulic brake system”
(컄 page 107).
Warning! G
With a disconnected battery
앫 you will no longer be able to turn the
SmartKey in the starter switch and
pressing the KEYLESS-GO** start/stop
button (컄 page 61) on the gear selec-
tor lever will have no effect
앫 the gear selector lever will remain
locked in position P
Disconnecting the batteries
Removing the batteries
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