XPress mechanical key ; into the SmartKey
opening until battery compartment
cover : opens. Do not keep the cover
shut.
XRemove the battery compartment cover.XPat the SmartKey against the palm of your
hand until battery = falls out.
XInsert the new battery with the positive
terminal (+) facing up. Use a lint-free cloth.
XInsert the tabs of the battery compartment
cover into the housing and press the cover
closed.
XCheck the operation of the SmartKey as
well as the KEYLESS-GO function.
Replacing bulbs
Safety notes
Safe vehicle operation depends on proper
exterior lighting and signaling to a large
degree.
Correct headlamp adjustment is extremely
important. Have headlamps checked and
readjusted at regular intervals and when a
bulb has been replaced. Contact an
authorized Mercedes-Benz Center for
headlamp adjustment.
GWarning!
Bulbs and bulb sockets can be very hot. Allow
the lamp to cool down before changing a bulb.
Keep bulbs out of reach of children.
Halogen lamps contain pressurized gas. A
bulb can explode if you
Rtouch or move it when hot
Rdrop the bulb
Rscratch the bulb
Wear eye and hand protection.
Because of high voltage in Xenon lamps, it is
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.
iSince replacing bulbs is a technically
highly demanding process, we recommend
to have them replaced at an authorized
Mercedes-Benz Center.
iIf the headlamps or front fog lamps are
fogged up on the inside as a result of high
humidity, driving the vehicle a distance with
the lights on should clear up the fogging.
318Replacing bulbsPractical hints
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