Mercedes-Benz CLK-Class Owner's Manual page 380

Disconnecting the battery
G
Risk of accident
If the battery is disconnected:
the brake boosting effect will not be
available to you. Considerably greater
braking force will then be required and
brake pedal travel will be increased. It
may be necessary to depress the brake
pedal with full force
you can no longer turn the ignition key
or, if using KEYLESS GO*, pressing the
KEYLESS GO button* has no effect on
the selector lever
the selector lever is locked in position P
on vehicles with automatic transmis-
sion*
Always disconnect the battery in the order
described below. You could otherwise
damage the vehicle's electronics.
P 54.10-2137-31
1 Retaining clamps
Firmly depress the parking brake and
move the selector lever to position P.
Switch off all electrical consumers.
Turn the key to position 0 and remove
it.
Open the bonnet.
Practical advice
Loosen retaining clamps 1 and re-
move the air intake housing.
Remove the negative terminal from the
battery.
Remove the cover from the positive
terminal.
Remove the positive terminal from the
battery.
Disconnect the breather hose from the
battery.
Removing the vehicle battery
Disconnect the battery ( page 377).
Unscrew the battery holder used to
prevent the battery from slipping and
remove the battery.
Battery
377