Mercedes-Benz S 320 1999, Owner'S Manual

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Exterior Lamp Failure Indicator
Lamp
With the key in steering lock
position 2, a dim indicator lamp
comes on, and goes out when the
engine is running.
With the key in steering lock posi­
tion 2 or with the engine running,
a bright illumination of this lamp
indicates an exterior lamp failure
(except high mounted stop lamp).
If an exterior lamp fails, the
indicator lamp will come on only
when that lamp is switched on.
If a brake lamp fails, the lamp
failure indicator will come on when
applying the brake and stay on
until the engine is turned off.
Note:
The indicator lamp will also come
on if an incorrect bulb is installed.
If additional lighting equipment is
installed (e.g. auxiliary headlamps
etc.) be certain to connect into the
fuse before the failure indicator
monitoring unit in order to avoid
damaging the system.
With the key in steering lock
position 2, the warning lamp comes
on and a warning sounds for a
short time if the driver’s seat belt is
not fastened.
After starting the engine, the
warning lamp blinks for a brief
period to remind the driver and
passengers to fasten seat belts
before driving off.
Seat Belt Warning Lamp
The brake pad wear indicator lamp
in the instrument cluster comes on
when the key in the steering lock is
turned to position 2 and goes out
when the engine is running.
If the indicator lamp lights up
during braking, this indicates that
the brake pads are worn down.
Have the brake system checked at
your authorized Mercedes-Benz
dealer as soon as possible.
Brake Pad W ear Indicator Lamp
92