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Driver cockpit
To switch on/off with the button: briefly
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press button 7.
To dim: press and hold button 7.
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When the ambient living area light has reached
maximum brightness, the brightness will
decrease again. When the ambient living area
light has reached the maximum dimming level,
the brightness will increase again.
Changing bulbs
Notes on changing a bulb
Mercedes-Benz recommends that you have the
headlamp bulbs changed at a qualified specialist
workshop.
& WARNING Risk of burns from hot com‐
ponent parts whilst replacing a bulb
Bulbs, lamps and plug connectors can
become very hot during operation.
When replacing a bulb, you could burn your‐
self on these component parts.
Allow the component parts to cool
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down before replacing the bulbs.
When changing bulbs, wear safety glasses and
clean gloves.
A bulb could explode in the following cases:
You touch the bulb when it is hot.
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You drop the bulb.
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You scratch the bulb.
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Do not use a bulb if it has been dropped or if its
glass has been scratched.
Stains on the glass tube will reduce the bulb's
service life. Do not touch the glass tube with your
bare hands. If necessary, clean the bulb with
alcohol or spirits when it is cold and wipe it down
with a lint-free cloth.
Protect bulbs from moisture during operation and
do not allow bulbs to come into contact with liq‐
uids.
Bulbs and lights are a major element in vehicle
safety. Therefore, ensure that all bulbs are always
working.
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Mercedes-Benz recommends that you also
change the corresponding bulb in the other
headlamp when a bulb for the low beam or
high beam fails. Mercedes-Benz recommends
that you use long-life bulbs for this.
& DANGER Risk of fatal injuries as a result
of touching the electrical contacts of the
xenon bulb
Xenon bulbs carry a high voltage.
If you remove the cover of the xenon bulb and
touch the electrical contacts of the xenon
bulb, you could receive an electric shock.
Never touch components or electrical
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contacts of the xenon bulb.
Always have work on the xenon bulb
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carried out at a qualified specialist
workshop.
You will be able to tell whether your vehicle is
equipped with bi-xenon lamps from the following:
the light cone of xenon bulbs will move from top
to bottom and back again when the engine starts.
For this to work, the low beam needs to have
been switched on before the engine is started.
When you are changing a bulb, also note the fol‐
lowing points:
To prevent a short circuit, switch off the light‐
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ing system and the ignition before changing
the bulb.
Wear safety glasses and gloves when you are
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removing the faulty bulb.
Always replace faulty bulbs with specified
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new bulbs with the correct wattage and volt‐
age.
Touch new bulbs only with a clean, lint-free
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cloth or similar. Do not perform this work with
moist or oily fingers.
Check the contacts for corrosion and clean
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them if necessary.
Ensure that seals are seated correctly and
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replace damaged seals.
If the new bulb does not light up, consult a
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qualified specialist workshop.
Have the following light sources changed by a
qualified specialist workshop:
Bi-xenon lamps
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Position lamp (bi-xenon headlamps)
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LED daytime running lamps
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LED clearance lights, front
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LED turn signal lamps
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Lamps for ambient lighting in the cab
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LED interior lamps
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LED night lighting
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