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Changing the bulbs
315
Observe the following points:
R
Use only the bulb types specified here.
R To prevent a short-circuit, switch off the
lights before changing a bulb.
R Only hold bulbs with a clean, lint-free cloth.
R Do not work with wet or greasy fingers.
R If the new bulb still does not light up, con-
sult a qualified specialist workshop, e.g. a
Mercedes-Benz Service Centre.
i Have the headlamp setting checked reg-
ularly at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. Changing the front bulbs
i ML 500: the fuse box in the engine com-
partment must be removed before a bulb is
changed in the headlamp on the right-hand
side. Have the work carried out at a quali-
fied specialist workshop, e.g. a Mercedes-
Benz Service Centre. Replacing dipped-beam headlamps
(vehicles with halogen headlamps) 1
Housing cover for dipped-beam headlamp
2 Bulb holder for dipped-beam headlamp
X Switch off the lights.
X Open the bonnet.
X Turn housing cover 1anti-clockwise and
remove it.
X Turn bulb holder 2anti-clockwise and pull
it out.
X Pull the bulb out of bulb holder 2.
X Insert the new bulb into bulb holder 2.X
Insert bulb holder 2and turn it clockwise.
X Align housing cover 1and turn it clock-
wise.
Replacing the bulbs in the main-beam
headlamp 1
Housing cover for main-beam headlamp
2 Bulb holder for main-beam headlamp
X Switch off the lights.
X Open the bonnet.
X Turn housing cover 1anti-clockwise and
remove it.
X Turn bulb holder 2anti-clockwise and pull
it out.
X Pull the bulb out of bulb holder 2.
36 These bulbs must be replaced at a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre. Practical advice
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Page 319 of 381

Changing the bulbs
316
X
Insert the new bulb into bulb holder 2.
X Insert bulb holder 2and turn it clockwise.
X Place housing cover 1back on and turn it
clockwise until it engages.
Replacing side/parking lamp bulbs 1
Bulb holder for side/parking lamp
X Switch off the lights.
X Open the bonnet.
X Turn bulb holder 1anti-clockwise and pull
it out.
X Pull the bulb out of bulb holder 1.
X Insert the new bulb into bulb holder 1.
X Insert bulb holder 1and turn it clockwise. Replacing the bulbs in foglamps with-
out cornering light function/AMG Styl-
ing package* foglamps/foglamps on
the ML 63 AMG
Foglamps without cornering light function
1
Cover
2 Front foglamp
X Switch off the lights.
X Carefully detach cover 1using a suitable
object, e.g. a screwdriver.
Cover 1disengages.
X Remove cover 1. AMG Styling package* foglamps/foglamps on the
ML 63 AMG
1
Cover
2 Front foglamp
X Switch off the lights.
X Slide a suitable object, e.g. a screwdriver,
carefully into the recess between cover
1 and the bumper.
X Detach cover 1and pull it out. If neces-
sary, carefully use the screwdriver to prise
it off. Practical advice
* optional
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Changing the bulbs
3184
Bulb holder for front foglamp
X Turn bulb holder 4anti-clockwise to the
stop and remove it.
X Pull the bulb out of bulb holder 4.
X Insert the new bulb into bulb holder 4.
X Insert bulb holder 4and turn it clockwise.
X Insert cover 3with foglamp with cornering
light function.
X Replace and tighten the screws 2.Replacing the turn signal lamps 1
Bulb holder for turn signal (PY 5 W)
2 Bulb holder for turn signal (P 21 W)
X Switch off the lights.
X Open the bonnet.
X Turn bulb holder 1or2 anti-clockwise
and pull it out.
X Pull the bulb out of bulb holder 1or2.
X Insert the new bulb into bulb holder 1or
2.
X Insert bulb holder 1or2 and turn clock-
wise. Changing the rear bulbs
Opening and closing the side trim pan-
els You must open the side trim panel in the load
compartment before changing the bulbs in
the tail lamps.
Left-hand side trim panel
Left-hand side trim panel
1
Release catch
2 Side trim panel
X To open the side trim panel: turn catch
1 90° in the direction of the arrow and
remove side trim panel 2.Practical advice
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Page 341 of 381

Battery
338while it is still installed. Otherwise, the vehi-
cle's electronic system may be damaged.
! Only use battery chargers with a maxi-
mum charging voltage of 14.8 V.
X Charge the battery. Observe the notes in
the operating instructions for your battery
charger.
X Refit the charged battery.
To do this, follow the steps described in
"Removing the battery" (Y page 337) in
reverse order.
i You can charge the battery using the
jump-start terminals. These are located on
the right when viewed in the direction of
travel.
X Open the bonnet (Y page 219). Jump-start terminals
1
Body earth point (negative terminal)
2 Positive terminal (under cover) Reconnecting the battery
! Always reconnect the battery in the
sequence described below. Never swap the
terminal clamps. You may otherwise dam-
age the vehicle electronics.
X Switch off all electrical consumers.
X Connect the positive terminal clamp and
secure the cover.
X Connect the negative terminal clamp.
X Connect the breather hose. Make sure that
a cell cap is fitted is fitted on the side. i
If the battery power supply has been inter-
rupted (e.g. if it has been reconnected), you
must carry out the following tasks:
R Set the time (Y page 130).
On vehicles with COMAND and a naviga-
tion system*, the clock is set automati-
cally
R Reset the sliding/tilting sun-
roof* (Y page 189).
R Reset the function for folding the exterior
mirrors in/out automatically* by folding
the mirrors out once ( Ypage 86).
R Reset the side windows (Y page 101)Practical advice
* optional
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Page 347 of 381

Fuses
344have the correct fuse rating for the system
concerned. Otherwise, components or sys-
tems could be damaged.
The fuses are located in various fuse boxes:
R Dashboard fuse box on the front-passenger
side
R Fuse box in the engine compartment on the
right-hand side of the vehicle
R Fuse box in the luggage compartment on
the right-hand side of the vehicle
Fuse allocation chart The fuse allocation chart is located with the
vehicle tool kit (Y page 255) in the stowage
compartment under the luggage compart-
ment floor. Before changing a fuse
X Park the vehicle.
X Switch off all electrical consumers.
X Remove the key from the ignition lock. Dashboard fuse boxes
1
Cover
! Do not use a pointed object such as a
screwdriver to open the cover in the dash-
board. You could damage the dashboard or
the cover.
X To open: open the front-passenger door.
X Pull cover 1outwards in the direction of
the arrow and remove it. X
To close: clip in cover 1at the front.
X Fold cover 1inwards until it engages.
X Close the front-passenger door. Fuse box in the engine compartment
Illustrated: GL 320 CDI
1
Cover
2 Clamps
X To open: open the bonnet (Y page 219).
X Remove moisture from the fuse box using
a dry cloth.
X Fold clamps 2upwards.
X Fold up fuse box cover 1and remove it
towards the front of the vehicle. Practical advice
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Page 348 of 381
Fuses
345
X
To close: check whether the rubber seal is
lying correctly in lid 1.
X Insert lid 1at the rear of the fuse box into
the retainer.
! The cover must be fitted properly, other-
wise moisture or dirt could affect the oper-
ation of the fuses.
X Fold down lid 1and secure with clamps
2.
X Close the bonnet (Y page 220). Fuse box in the luggage compartment
1
Catches
2 Cover X
To open: open the tailgate.
X Turn catches 1in the direction of the
arrow.
X Open cover 2downwards. Practical advice
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