Page 316 of 401

Changing the bulbs
313
Front bulbs Bulb Type
1 Additional turn
signal lamp
LEDs
35 2 Turn signal lamp PY 21 W
3 Dipped-beam
headlamp
H7 55 W
36
or
D1S 35 W* 37 4 Main-beam
headlamp H7 55 W
Side lamp/park-
ing lamp W 5 W
or
LED*
35 5 Front foglamp
H11 55 W
35 Rear bulbs
Bulb Type
6 Third brake
lamp
LED
35 7 Rear foglamp
HiP
35 Side lamp/park-
ing lamp
HiP
35 Reversing lamp
HiP
35 Brake lamp
HiP
35
or
LED* 35 Turn signal lamp
HiP
35 8 Licence plate
lamp C 5 W Before changing bulbs
You can replace the following bulbs:
R
Dipped-beam headlamps (vehicles with
halogen headlamps)
R Main-beam headlamp
R Replacing the bulb in the side lamp/park-
ing lamp (vehicles with halogen headlamps)
R Turn signal lamp (front)
R Licence plate lamp
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.
35 These bulbs must be replaced at a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre.
36 Vehicles with halogen headlamps.
37 Vehicles with xenon headlamps*: always have these bulbs changed at a qualified specialist workshop, e.g. a Mercedes-Benz Service Centre. Practical advice
* optional
211_AKB; 2; 5, en-GB
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Page 317 of 401

Changing the bulbs
314 Changing the front bulbs
Halogen or bi-xenon* headlamps
1
Bulb holder for turn signal
2 Bulb holder for main-beam headlamp
3 Bulb holder for side/parking lamp
4 Housing cover for dipped-beam headlamp
(halogen/bi-xenon headlamps)
Replacing dipped-beam headlamps
(vehicles with halogen headlamps) X
Switch off the lights.
X Open the bonnet.
X Turn housing cover 4anti-clockwise and
remove it.
X Turn the bulb holder anti-clockwise until it
is released. X
Pull out the bulb holder.
X Change the bulb.
X Insert the bulb holder into the headlamp
and turn it clockwise until it engages.
X Place housing cover 4back on and turn it
clockwise until it engages.
Replacing the bulbs in the main-beam
headlamp X
Switch off the lights.
X Open the bonnet.
X Turn bulb holder 2anti-clockwise and
remove it together with the bulb.
X Pull the bulb out of bulb holder 2.
X Insert the new bulb into bulb holder 2.
X Insert bulb holder 2into the headlamp
and turn it clockwise until it engages.
Replacing the bulb in the side lamp/
parking lamp (vehicles with halogen
headlamps) X
Switch off the lights.
X Open the bonnet. X
Turn bulb holder 3anti-clockwise and pull
it out.
X Pull the bulb out of bulb holder 3.
X Insert the new bulb into bulb holder 3.
X Insert bulb holder 3into the headlamp
and turn it clockwise until it engages.
Replacing the bulbs in the turn signal
lamps X
Switch off the lights.
X Open the bonnet.
X Turn bulb holder 1anti-clockwise and
remove it along with the bulb.
X Turn the bulb anti-clockwise, applying
slight pressure, and remove it from bulb
holder 1.
X Insert the new bulb into bulb holder 1and
turn it clockwise.
X Insert bulb holder 1into the headlamp
and turn it clockwise until it engages. Practical advice
* optional
211_AKB; 2; 5, en-GB
mkalafa,
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Page 393 of 401

Service products and capacities
390 E 200 CDI E 220 CDI E 280 CDI
E 280 CDI
4MATIC
E 300 Bluetec E 320 CDI
E 320 CDI
4MATIC E 420 CDI
Coolant 10.2 l 10.2 l 13.0 l 13.0 l 15.3 l
Amount of antifreeze/corrosion inhibitor required for antifreeze protection
Down to –37 °C
(approx. 50%) 5.1 l 5.1 l 6.5 l 6.5 l 7.7 l
Down to –45 °C
(approx. 55%) 5.6 l 5.6 l 7.2 l 7.2 l 8.4 l
Brake fluid
Over a period of time, the brake fluid absorbs
moisture from the air; this lowers its boiling
point. G
Risk of accident
If the boiling point of the brake fluid is too
low, vapour pockets may form in the brake
system when the brakes are applied hard
(e.g. when driving downhill). This would
impair braking efficiency. Have the brake fluid renewed every two
years with a brake fluid that has been
approved by Mercedes-Benz and have this
confirmed in the Service Booklet.
i There is usually a notice in the engine
compartment to remind you when the next
brake fluid change is due. Windscreen washer system
The washer fluid reservoir holds approxi-
mately 4.5 litres; on vehicles with the head-
lamp cleaning system* it holds 7 litres.
The headlamp cleaning system* and the
windscreen washer system are both supplied
from the washer fluid reservoir.
X At temperatures above freezing point:
Top up the washer fluid reservoir with a
mixture of water and windscreen washer
concentrate (Y page 226).
X At temperatures below freezing point: Technical data
* optional
211_AKB; 2; 5, en-GB
mkalafa,
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