Battery
277
step out of the vehicle first and touch the
bodywork.
R
Do not wipe the battery using a cloth. The
battery may explode as a result of elec-
trostatic charge or due to flying sparks.
!
Switch the engine off and remove the key
before unscrewing or disconnecting the
terminal clamps from the battery. You may
otherwise destroy electronic components
such as the alternator.
i
Mercedes-Benz recommends that you
have all work involving the battery, e.g.
removing, charging and replacing, carried
out at a qualified specialist workshop, e.g.
a Mercedes-Benz Service Centre.
Installation location of the battery
Your vehicle is equipped with two batteries:
R
Starter battery in the engine compartment
R
Consumer battery in the boot
Starter battery in the engine compartment
1
Positive terminal
2
Negative terminal
Disconnecting the battery
G
Risk of accident
If the battery is disconnected:
R
the brake boosting effect will not be avail-
able. Greater braking force will then be
required and the brake pedal travel will
be longer. If necessary, depress the
brake pedal with maximum force.
R
you can no longer turn the key in the igni-
tion and, on vehicles with KEYLESS
GO*, pressing the KEYLESS GO button*
will have no effect
R
the selector lever is locked in position P
!
Always disconnect the battery in
the order described below. Never swap the
terminal clamps. You may otherwise dam-
age the vehicle electronics.
Disconnecting the starter battery
X
Firmly depress the parking brake and shift
the selector lever to position P on vehicles
with automatic transmission*.
X
Switch off all electrical consumers.
X
Turn the key to position 0 in the ignition
lock and remove it.
X
Open the bonnet.
X
Remove the negative terminal clamp from
the battery.
X
Remove the cover from the positive termi-
nal clamp.
X
Remove the positive terminal clamp from
the battery.
X
Disconnect the breather hose.
Practical advice
* optional
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