Page 247 of 297
243 Exterior lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Headlamp assembly (Halogen)
1Headlamp horizontal adjustment screw
2Headlamp vertical adjustment screw
3High and low beam headlamp cover
4Squeeze latches for high and low beam headlamp
cover5Turn signal, parking, side marker and standing
lamp bulb
6Electrical connector for high and low beam
headlamp bulb
7Clamping ring for high and low beam headlamp
bulb
Page 249 of 297
245 Exterior lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Headlamp assembly (Xenon)1Headlamp horizontal adjustment screw
2Headlamp vertical adjustment screw
3Adjuster for horizontal adjustment scale
4Cover for low beam headlamp
5Latch for cover (4)
6Cover for high beam headlamp
7Latch for cover (6)
Wa r n i n g !
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.
Page 250 of 297
246 Exterior lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
8Turn signal, parking, side marker and standing
lamp bulb
9Electrical connector for high beam headlamp bulb
10Electrical connector for low beam headlamp bulb
Page 251 of 297

247 Exterior lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index Adjusting headlamp aim
Correct headlamp adjustment is extremely important.
To check and readjust a headlamp, follow steps 1
through 7. Please note:
• Adjustments to low beam simultaneously aim the
high beam.
• Vehicle should have a normal trunk load.
• Vertical aim adjustments change horizontal aim.1. Park vehicle on level surface approximately 25 ft.
(7.6 m) from a vertical test screen or wall. The
centerline of the vehicle must be at a 90° angle to
the test screen.
2. (Low beams on):
Using a carpenter‘s level, align and mark a vertical
centerline (8) on the test screen using the vertex of
the angle formed in each beam image. As a check,
the distance between centerlines should be 49
5/8
inches (1260 mm). If the distance does not check,
have the system verified by an authorized
Mercedes-Benz Center.
3. Open hood.
4. Vertical headlamp aim (Low beams on):
T u rn a d j u st i n g sc re w ( 2 ) ( c o u n t e rc l oc k w i s e to a d j u st
headlamp downward, clockwise upward) until
bubble in the level (6) is centered on the “0” mark.
Graduations: 0.18° pitch.
Page 252 of 297

248 Exterior lamps
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
5. Horizontal headlamp aim (Low beams on):
Turn adjusting screw (1) (Right front headlamp:
counterclockwise to adjust to the left, clockwise to
the right; left front headlamp: counterclockwise to
adjust to the right, clockwise to the left.) until the
headlamps (low beam) illuminate the test screen as
shown. The vertex of the angle formed in each beam
image should align with the vertical centerline (8) of
each lamp. The left and right headlamps must be
adjusted individually.6. This indicator (7) in the sight glass should align
with the “0” mark after any horizontal adjustment.
If it does not, depress latch (5) and remove access
cover (4) from the headlamp (left side only). Insert
and turn screwdriver on adjuster (3) until scale (7)
is centered on the “0” mark.
Graduations: 0.38° pitch.
7. Reinstall access cover (4).
Note:
If it is not possible to obtain a proper headlamp
adj ustment, h ave the system ch ecked a t your a ut horized
Mercedes-Benz Center.
Page 262 of 297
258 Replacing wiper blade insert
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar care Index
Headlamp wiper blades
(Halogen lamps)
Removal:
Fold wiper arm forward. Pull out pin (1) and remove
wiper blade (2).
Installation:
Insert wiper blade and install pin.Headlamp wiper blades
(Xenon lamps)
Removal:
Fold wiper arm forward. Rotate wiper blade (2) in
direction of arrow (1) until it releases from the wiper
arm.
Installation:
Insert wiper blade (2) onto arm, perpendicular to arm,
and rotate in direction of arrow (3) until it engages.
1
2
P82.30-0344-26
3
21
P82.30-0334-26
Page 264 of 297

260 Contents – Vehicle care
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hints Car care Index
Vehicle careCleaning and care
of the vehicle ............................. 261
Power washer ..............................262
Tar stains .....................................262
Paintwork, Painted Body
Components ................................262
Engine cleaning ..........................263
Vehicle washing .........................263Ornamental moldings ............... 263
Headlamps, taillamps,
turn signal lenses ...................... 263
Window cleaning ....................... 264
Light alloy wheels ..................... 264
Instrument cluster ..................... 264
Steering wheel and
gear selector lever ..................... 264
Cup holder .................................. 264
Seat belts ..................................... 265
Headliner, shelf behind
roll bars, and other hard
plastic trim items ....................... 265Soft top .........................................265
Headliner .....................................266
Wind screen ................................266
Automatic antenna .....................266
Wiper blade .................................266
Headlamp cleaning system .......266
Leather upholstery .....................267
Plastic and rubber parts ............267
Illuminated door sill panels .....267
Page 267 of 297

263 Cleaning and care of the vehicle
Technical
data Instruments
and controlsOperation DrivingInstrument
cluster displayPractical hintsCar careIndex Engine cleaning
Prior to cleaning the engine compartment make sure to
protect electrical components and connectors from the
intrusion of water and cleaning agents.
Corrosion protection, such as MB Anticorrosion Wax
should be applied to the engine compartment after
every engine cleaning. Before applying, all control
linkage bushings and joints should be lubricated. The
poly-V-belt and all pulleys should be protected from any
wax.
Ve h i c l e w a s h i n g
Do not use hot water or wash your vehicle in direct
sunlight. Use only a mild car wash detergent, such as
Mercedes-Benz approved Car Shampoo.
Thoroughly spray the vehicle with a diffused jet of
water. Direct only a very weak spray towards the
ventilation intake. Use plenty of water and rinse the
sponge and chamois frequently.
Rinse with clear water and thoroughly wipe dry with a
chamois. Do not allow cleaning agents to dry on the
finish.If the vehicle has been run through an automatic car
wash – in particular one of the older installations -
rewipe the recessed sections in the taillamps (designed
to prevent soiling) if necessary. No solvents (fuels,
thinners etc.) must be used.
In the winter thoroughly remove all traces of road salt
as soon as possible.
When washing the underbody, do not forget to clean the
inner sides of the wheels.
Ornamental moldings
For regular cleaning and care of very dirty chrome-
plated parts, use a chrome cleaner.
Headlamps, taillamps, turn signal lenses
Use a mild car wash detergent such as Mercedes-Benz
approved Car Shampoo, with plenty of water.
To prevent scratches, never apply strong force and use
only a soft, non-scratchy cloth when cleaning the lenses.
Do not attempt to wipe dirty lenses with a dry cloth or
sponge.