Mercedes-Benz SL-Class 2007 Owners Manual - Manual (Page 417)

416
Practical hints
Batteries
Disconnecting the batteries
̈ Apply the parking brake ( ୴ page 61).
̈ Make sure the gear selector lever is set
to position P (
୴ page 168).
̈ Close the retractable hardtop
(
୴ page 199).
̈ Turn off all electrical consumers.
̈ Turn off the engine ( ୴ page 62).
̈ Remove the SmartKey from the starter
switch.
̈ Vehicles with KEYLESS-GO*: Open
the driver’s door.
̈ Open the trunk.
̈ Read and observe safety instructions
and precautions (
୴ page 281).
̈ Open the luggage cover in the trunk
(
୴ page 206).
̈ Remove the trunk floor.
The battery for electrical consumers is
located in the right hand area of the
trunk (
୴ page 388).
̈ Use the 10 mm open-end wrench from
the vehicle tool kit to disconnect the
negative lead from negative
terminal
5 of the consumer battery
( ୴ page 414).
Warning!
G
With a disconnected battery
ț you will no longer be able to turn the
SmartKey in the starter switch and
pressing the KEYLESS-GO* start/stop
button on the gear selector lever will
have no effect
ț the gear selector lever will remain
locked in position P
! Always disconnect the batteries in the order
described below, even if you only want to charge
the starter battery, for example. Otherwise the
vehicle’s electronics can be damaged.