-~_C_ le_ a_n_ i_ n_ g=- a_ n_d___. p_ ro_ t_e _c_ t_ i_o _n ___________________________________________ _
in. WARNING
Be aware: The engine compartment of any motor vehicle is a
potentially hazardous area.
• Before working in the engine compartment, be sure to read the information =>
page 281.
• Before reaching into the front plenum panel, always remove
the ignition key . Otherwise, the windshield wiper system could
unintentionally be switched on, possibly causing personal injury
from the moving wiper linkage.
• Never reach into the area around or touch the radiator fan. The
auxiliary fan is temperature controlled and can switch on suddenly
- even when the ignition is off.
• Do not wash, wax or dry the engine with the engine running.
Moving or hot parts could injure you.
• Do not clean the underside of the chassis, fenders, wheel
covers, or other hard to reach parts without protecting your hands
and arms. You may cut yourself on sharp-edged metal parts.
• Always read and heed all WARNINGS and other information
=:> page 270. •
___________________________________________ C..:...._ h:....:e :....:c:..:. k.::..: i..:.. n .:..:g:!:....:: a....:. n..:.. d~ f:....:. i.:..ll :.:.i:....:n :.:g !....- __
Closing the engine hood
- Pull the hood down until the pressure from the struts is
reduced.
- Let the hood
drop down and latch in place. Do not try to
push it shut;
it may fail to engage=:> &.
& WARNING
A hood that is not completely latched could fly up and block your
view while driving.
• When you close the engine hood, check it to make sure the
safety catch has properly engaged. The hood should be flush with
the surrounding vehicle body parts.
• If you notice while driving that the hood is not secured prop
erly, stop at once and close it. •
Working in the engine compartment
Be especially careful whenever you work in the engine
compartment.
Whenever you must perform any work in the engine compartment,
for example checking and filling different fluids, there is a risk of injury, burns and accidents. To prevent personal injury always
observe the following WARNINGS. The engine compartment of any
vehicle is a hazardous area=>& .
& WARNING
To help avoid injury, before you check anything under the hood:
• Turn off the engine.
• Remove the ignition key.
• Apply the parking brake.
Safety first
& WARNING (continued)
• Move selector lever to "P" (Park).
• Always let the engine cool down. Hot components will burn
skin on contact.
• To reduce the risk of being burned, never open the hood if you
see or hear steam or coolant escaping from the engine compart
ment. Wait until no steam or coolant can be seen or heard before
carefully opening the hood.
• Keep children away from the engine compartment.
• Never spill fluids on hot engine components. They can cause a
fire. • Never touch the radiator fan. The auxiliary electric fan is
temperature controlled and can switch on suddenly.
• Never open the coolant reservoir cap when the engine is still
warm. The coolant system is pressurized and hot coolant could
spray out.
• Protect your face, hands and arm from steam or hot engine
coolant by placing a thick rag over the cap when you open the
coolant reservoir.
• If work on the fuel system or the electrical system is necessary:
- Always disconnect the battery.
- Never smoke or work near heaters or open flames. Fluids in
the engine compartment could start a fire.
- Keep an approved fire extinguisher immediately available.
• To avoid electrical shock and personal injury while the engine is
running or being started, never touch:
-Ignition cables
- Other components of the high voltage electronic ignition
system.
• If you must perform a check or repair with the engine running:
- First, fully apply the parking brake, move selector lever to
"P" (Park). .,
Vehicle care Technical data
Checking and filling ------------------------------- ---=.:..:..=.:=~..:::..:.....:..:.;__ ___ _::,______,.J
& WARNING (co ntinued )
• Antifreeze is pois onous. Alway s store antifreeze in its original
container and well out of the r each of children.
• If you drain the coolant , it must be caught and safely stored in
a proper container clearly marked "poi son ".
0 Note
• Coolant poll utes the environment and could cause an engine fire .
Excess coolant w ill be forced out throug h the pressure re lief valve in
t he cap when the e ng ine becomes hot .
• If, in an emergency, o nly wate r ca n be adde d, the correct ratio
between water and antifreeze=>
page 296 must be restored as soon
as possib le.
W For the sake of the environment
Dra ined coolant shou ld not be reused. A lways dispose of used coo lant
w hile observ ing a ll enviro nment al regul ations . •
Radiator fan
The radiator fan switches on automatically by itself
T he radi ator fa n is d riven by the engine via th e V-bel t. The v iscous
clutch regu lates the speed of the fan accord ing to the temperature of
t he coolant.
An auxiliary e lectr ic rad iator fan* sw itches on and off depend ing o n
coo la nt tempe rat ur e and othe r vehicle ope ra ting condi tions .
After you switch the engi ne off, the auxilia ry fa n can cont inue r unning
for up to 10 minutes - even w ith the ignition off . It can even switch on
agai n lat er by itse lf => & , if
• the tempe rature of the e ngine coolant rises due to the heat build
up from the eng ine in t he engi ne comp art ment, or
Vehicle OP-eration
• the engine compartment heats up because the veh icle is parked in
in tense s unlight.
& WARNING
• To reduce the ri sk of personal injury never touch the radiator
fan.
• The auxiliary electri c fan is temperature controlled and can
switch on suddenly even when the engine is not running .
• The auxiliary radiator fan switches on automatically when the
engine coolant reaches a certain temperature and will cont inue to
run until the coolant temperature drops .•
Brake fluid
Checking brake fluid level
T h e b rake fluid l evel can be ch ecked with a quick glance.
-w ;:;
Fig. 24 8 En gine
compa rtme nt: Brak e
f luid re se rv oi r
Be fore you chec k anyt hin g in the engine compartment,
always read and heed all WARNINGS~ & in "Working in
t h e engine compartm ent" on
page 289 . .,_
Vehicle care Do-it-yourselt service iTechnical data
lffll.,___F_ u_ s_e _ s_ a_n_ d_ b_u _ l_ b_ s _______________________________________________ _
No. IIEquipment
30 Vacant
31
32
33
34
35
36
37
38
39
4 0
41
42 Onboard power s
upply, light contro l (r ight
headlight)
Vacant L eft rea r footwell heate r
Vacant
Vaca nt
A udi si de assist
Coo ler
Onboard power supply, light control (left head
light)
Door control un it, dr iver's side
Power steerin g column adjustmen t
Door control unit, rear left
Access/start control module
4 3 Adaptive L ight, le ft
--44 Adap tive Light, righ t
Amps
30
25
5
15
30
7 .5
25
7 .5
25
10
10
•
Fuse Location, Instrument Panel right
Fig. 279 Fuse panel
la yout
Some of the equipment items listed are optiona l or only availab le on
certain mode l configurations .
Note that the following table is accurate at the time of going to
press and is subject to change. In the event of discrepancies , the
label on the in sid e of the cover alway s take s precedence .
The power window regu lators and the power seats are protected by
circuit breakers , which automatically reset after a few seconds after
the overload -for examp le if a window is frozen -has been remedied .
No. Equipment
1 Parking br ake
2 A ir cond ition ing
3 Shift gate
4 Vacan t
5
6
7
---· 8
Eng ine contro l
Oxygen sensor before the three-way
cat alytic converter
Oxygen sensor behind the three -way
catalytic converte r
E ngine control, auxiliary w ater pump
Amps
5
10
5
15
15
15
1 0
________________________________________________ F_ u_s _e_ s_ a_ n_ d_ b_u_ lb_ s _ __.lftll
No. Equipment
9
10
11
13
14
15
16
17
Climate control front/rear, dash panel buttons
Suspension level control system
(Adaptive Air Suspension)
Light and rain sensor
Display-/control unit
Roof electronics control unit
CD/DVD drive Energy management
Vacant
Radiator fan electronics
Airbag front passenger recognition (weight sensor)
19 Vacant
20 Heated/ventilated seats
21 Engine control module
22 Vacant
23 Parking brake (switch)
24 Vehicle electrical system
25
26 Automat
ic transm ission
Air conditioning water valves water pump, rear climate control
27 Sunroof
28 Engine control module
29 Fuel injectors
30 Ignition coils
31 Fuel pump, r ight/fuel pump e lectron ics
Amps
5
10
5
5
10
5
5
5
5
5
5
5
10
15
10
20
5
15
30
20/40
-
Vehicle OP-eration
No ... Equipment
32
33
34
35
36
39
40
41
Automatic transmission
Right rear foo twell heater
Heated/ventilated seats, rear
Heated/venti lated seats, front
Cigarette lighter, front
Cigarette lighter, rear/socket, rear
Auxiliary cooler fan Door cont rol un it, front r ight
Brake booster
Door control un it, rear right
42 Vacant
43 Headlight washer system
Air conditioning heater fan
Amps
5
25
20
20
20
20/25
20
7.5
15
7.5
30
30
•
Fuse Location , Luggage Compartment left
0
Fig . 28 0 Fuse pan el
l a yo ut ..
Vehicle care Do-it-yourself service iTechnical data