check engine MERCEDES-BENZ CLS COUPE 2008 Owners Manual

5
Central locking
Automatic locking (on-board com-
puter) . . . . . . . . . . . . . . . . . . . . . . . 127
Key . . . . . . . . . . . . . . . . . . . . . . . . . . 66
KEYLESS GO . . . . . . . . . . . . . . . 68, 69
Central locking/unlocking button . . . 70
Central unlocking Key . . . . . . . . . . . . . . . . . . . . . . . . . . 66
KEYLESS GO . . . . . . . . . . . . . . . 68, 69
Centre console
Lower section . . . . . . . . . . . . . . . . . . 32
Upper section . . . . . . . . . . . . . . . . . . 34
Changing a wheel
see Flat tyre
Child-proof locks
Rear doors . . . . . . . . . . . . . . . . . . . . 56
Side windows (rear) . . . . . . . . . . . . . 56
Children
in the vehicle . . . . . . . . . . . . . . . . . . 49
Restraint systems . . . . . . . . . . . . . . 49
Child seat
Automatic recognition . . . . . . . . . . . 51
Automatic recognition (malfunc-
tion) . . . . . . . . . . . . . . . . . . . . . . . . 243
ISOFIX . . . . . . . . . . . . . . . . . . . . . . . 55
Recommendations . . . . . . . . . . . . . . 54
Suitable positions . . . . . . . . . . . . . . 53
Cigarette lighter . . . . . . . . . . . . . . . . 181
Cockpit Overview . . . . . . . . . . . . . . . . . . . . . 22 Collapsible wheel
Pumping up . . . . . . . . . . . . . . . . . . 285
Storage location . . . . . . . . . . . . . . . 218
Technical data . . . . . . . . . . . . . . . . 308
COMAND . . . . . . . . . . . . . . . . . . . . . . . 114
On-board computer . . . . . . . . . . . . 114
Constant headlamp mode
Setting (on-board computer) . . . . . 125
Consumption statistics (on-board
computer) . . . . . . . . . . . . . . . . . . . . . . 130
Convenience closing . . . . . . . . . . . . . 100
Coolant . . . . . . . . . . . . . . . . . . . . . . . . 196
Checking the level . . . . . . . . . . . . . 196
Display message . . . . . . . . . . 229, 232
Mixture ratio . . . . . . . . . . . . . . . . . 316
Temperature gauge . . . . . . . . . . . . 110
Warning lamp . . . . . . . . . . . . . . . . . 246
Cruise control . . . . . . . . . . . . . . . . . . 132
Display message . . . . . . . . . . . . . . 227
Cup holder . . . . . . . . . . . . . . . . . . . . . 172 D
Dashboard see Cockpit


Date
Setting (on-board computer) . . . . . 124
Daytime driving lights
see Constant headlamp mode Delayed switch-off
Exterior lighting (on-board com-
puter)

. . . . . . . . . . . . . . . . . . . . . . . 126
Interior lighting (on-board com-
puter) . . . . . . . . . . . . . . . . . . . . . . . 126
Diesel
Low outside temperatures . . . . . . . 193
Diesel engine
Winter driving . . . . . . . . . . . . . . . . . 193
Digital speedometer . . . . . . . . . . . . . 116
Dipped-beam headlamps Automatic headlamp mode* . . . . . . 92
Display message . . . . . . . . . . . . . . 233
Symmetrical . . . . . . . . . . . . . . . . . . 208
Display message . . . . . . . . . . . . . . . . 219
Displaying . . . . . . . . . . . . . . . . . . . 121
Service display . . . . . . . . . . . . . . . . 209
Symbol messages . . . . . . . . . . . . . 228
Text messages . . . . . . . . . . . . . . . . 220
Up (AMG menu) . . . . . . . . . . . . . . . 116
Distance warning function . . . . . . . . 138
Distance warning lamp . . . . . . . . . . . 138
Distronic . . . . . . . . . . . . . . . . . . . . . . . 135
Cleaning the sensors . . . . . . . . . . . 213
Cover . . . . . . . . . . . . . . . . . . . . . . . 213
Display message . . . . . . . . . . . . . . 221
Distance warning function . . . . . . . 138
Driving tips . . . . . . . . . . . . . . . . . . . 141
Warning lamp . . . . . . . . . . . . . . . . . 245 Index
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6
Door
Automatic locking . . . . . . . . . . . . . . 69
Display message . . . . . . . . . . . . . . 229
Emergency locking . . . . . . . . . . . . . 267
Emergency unlocking . . . . . . . . . . . 266
Opening (from the inside) . . . . . . . . 69
Door control panel
Overview . . . . . . . . . . . . . . . . . . . . . 37
Drinks holder
see Cup holder
Driver's airbag . . . . . . . . . . . . . . . . . . . 46
Driver's door Unlocking (KEYLESS GO) . . . . . . . . . 69
Driver's seat position . . . . . . . . . . . . . 90
Driving abroad . . . . . . . . . . . . . . . . . . 208
Driving safety system . . . . . . . . . . . . . 57 ABS . . . . . . . . . . . . . . . . . . . . . . . . . 57
ADAPTIVE BRAKE . . . . . . . . . . . . . . . 60
Adaptive brake lamps . . . . . . . . . . . 58
BAS . . . . . . . . . . . . . . . . . . . . . . . . . 58
EBV . . . . . . . . . . . . . . . . . . . . . . . . . 60
ESP ®
. . . . . . . . . . . . . . . . . . . . . . . . 59
Driving system . . . . . . . . . . . . . . . . . . 132
Airmatic DC . . . . . . . . . . . . . . . . . . 146
Cruise control . . . . . . . . . . . . . . . . 132
Distronic . . . . . . . . . . . . . . . . . . . . 135
HOLD . . . . . . . . . . . . . . . . . . . . . . . 144
Parktronic . . . . . . . . . . . . . . . . . . . 148
Speedtronic . . . . . . . . . . . . . . . . . . 142 Driving tip
Braking . . . . . . . . . . . . . . . . . . . . . . 206
Distronic . . . . . . . . . . . . . . . . . . . . 141
Driving abroad . . . . . . . . . . . . . . . . 208
Driving on flooded roads . . . . . . . . 208
Driving on wet roads . . . . . . . . . . . 208
Winter . . . . . . . . . . . . . . . . . . . . . . 205
DVD audio
Operation (on-board computer) . . . 119
DVD video
Operation (on-board computer) . . . 120
Dynamic driving seat . . . . . . . . . . . . . 79
Select Seat adjustment (on-board
computer) . . . . . . . . . . . . . . . . . . . 129 E
Easy-entry/exit feature Activating/deactivating (on-
board computer)

. . . . . . . . . . . . . . 128
Easy-entry feature . . . . . . . . . . . . . . . . 83
Easy-exit feature . . . . . . . . . . . . . . . . . 83
EBV (electronic brake-power distri-
bution) . . . . . . . . . . . . . . . . . . . . . . . . . 60
Display message . . . . . . . . . . . . . . 231
Electrical/electronic equipment
Retrofitting . . . . . . . . . . . . . . . . . . . 299
Electronic brake-power distribution
see EBV Electronic Stability Program
see ESP ®



e mark . . . . . . . . . . . . . . . . . . . . . . . . . 299
Emergency key element Lost . . . . . . . . . . . . . . . . . . . . . . . . 261
Emergency locking
Vehicle . . . . . . . . . . . . . . . . . . . . . . 267
Emergency running mode
Automatic transmission . . . . . . . . . 257
Emergency unlocking
Boot . . . . . . . . . . . . . . . . . . . . . . . . 267
Vehicle . . . . . . . . . . . . . . . . . . . . . . 266
Engine
Display message . . . . . . . . . . . . . . 237
Running irregularly . . . . . . . . . . . . . 256
Starting problems . . . . . . . . . . . . . 255
Starting with KEYLESS GO . . . . . . . 102
Starting with the key . . . . . . . . . . . 101
Technical data . . . . . . . . . . . . . . . . 302
Engine diagnostic warning lamp . . . 247
Engine electronics . . . . . . . . . . . . . . . 299
Malfunction . . . . . . . . . . . . . . . . . . 255
Engine number . . . . . . . . . . . . . . . . . . 301
Engine oil . . . . . . . . . . . . . . . . . . . . . . 314
Checking the oil level (dipstick) . . . 195
Consumption . . . . . . . . . . . . . . . . . 195
Display message . . . . . . . . . . . . . . 237
Filler neck . . . . . . . . . . . . . . . . . . . 195 Index
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8
Head restraint
Adjusting (front) . . . . . . . . . . . . . 76, 77
Adjusting (rear) . . . . . . . . . . . . . . . . 78
Luxury . . . . . . . . . . . . . . . . . . . . 76, 77
NECK-PRO . . . . . . . . . . . . . . . . . . . . 49
Resetting triggered head
restraints . . . . . . . . . . . . . . . . . . . . 269
Heating
see Air conditioning
High-pressure cleaners . . . . . . . . . . . 211
HOLD . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Display message . . . . . . . . . . . . . . 226 I
Immobiliser

. . . . . . . . . . . . . . . . . . . . . 61
Indicator and warning lamp Brakes (red) . . . . . . . . . . . . . . . . . . 245
Coolant . . . . . . . . . . . . . . . . . . . . . 246
Distronic (red) . . . . . . . . . . . . 138, 245
Engine diagnostic . . . . . . . . . . . . . . 247
ESP ®
. . . . . . . . . . . . . . . . . . . . 59, 244
LIM . . . . . . . . . . . . . . . . . . . . . . . . . 133
PASSENGER AIRBAG OFF . . . . 51, 242
Reserve fuel . . . . . . . . . . . . . . . . . . 250
Seat belt . . . . . . . . . . . . . . . . . . . . . 249
SRS . . . . . . . . . . . . . . . . . . . . . 43, 248
Tyre pressure monitor . . . . . . . . . . 248
Indicator and warning lamps . . . . . . 244 Indicator lamp
see Indicator and warning lamp

Instrument cluster . . . . . . . . . . . . . . 109
Overview . . . . . . . . . . . . . . . . . . . . . 26
Selecting the language (on-board
computer) . . . . . . . . . . . . . . . . . . . 123
Instrument lighting . . . . . . . . . . . . . . 110
Interior lighting . . . . . . . . . . . . . . . . . . 96
Ambient (on-board computer) . . . . 126
Automatic control . . . . . . . . . . . . . . 96
Delayed switch-off (on-board
computer) . . . . . . . . . . . . . . . . . . . 126
Manual control . . . . . . . . . . . . . . . . . 96
Reading lamp . . . . . . . . . . . . . . . . . . 96
Interior motion sensor . . . . . . . . . . . . 62
ISOFIX child seat securing system . . 55 J
Jack Operation

. . . . . . . . . . . . . . . . . . . . 283
Storage location . . . . . . . . . . . . . . . 217
Jump-starting . . . . . . . . . . . . . . . . . . . 291
Jump leads . . . . . . . . . . . . . . . . . . . 291 K
Key

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Changing the battery . . . . . . . . . . . 270
Checking the battery . . . . . . . . . . . 270
Convenience closing . . . . . . . . . . . 101 Display message

. . . . . . . . . . . . . . 238
Factory setting . . . . . . . . . . . . . . 66, 67
Loss . . . . . . . . . . . . . . . . . . . . . . . . 261
Malfunction . . . . . . . . . . . . . . . . . . 261
Modifying the programming . . . . . . . 66
KEYLESS GO . . . . . . . . . . . . . . . . . . . . . 67
Button . . . . . . . . . . . . . . . . . . . . . . . 74
Changing the battery . . . . . . . . . . . 270
Checking the battery . . . . . . . . . . . 270
Closing the boot lid automatically . . 73
Convenience closing . . . . . . . . . . . 101
Factory settings . . . . . . . . . . . . . . . . 68
Losing the key . . . . . . . . . . . . . . . . 264
Malfunction . . . . . . . . . . . . . . . . . . 263
Modifying the programming . . . . . . . 68
Starting the engine . . . . . . . . . . . . 102
Key positions
Key . . . . . . . . . . . . . . . . . . . . . . . . . . 74
KEYLESS GO . . . . . . . . . . . . . . . . . . 74
Kickdown . . . . . . . . . . . . . . . . . . 107, 109 L
Lamps see Indicator and warning lamp


Language
Selecting (on-board computer) . . . 123
Licence plate lighting
Display message . . . . . . . . . . . . . . 235
Lighting
see Lights Index
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Operating safety
16 Operating safety
Safety notes
G
Risk of accident and injury
All work on the vehicle and, in particular,
work relevant to safety or on safety-related
systems must be carried out at a qualified
specialist workshop. The specialist work-
shop must have the necessary specialist
knowledge and tools to carry out the work
required. Mercedes-Benz recommends
that you use a Mercedes-Benz Service
Centre for this purpose. G
Risk of accident and injury
Some safety systems only function when
the
engine is running. You should therefore
never switch off the engine when driving.
Otherwise the safety systems of your vehi-
cle may no longer protect you and other
persons as intended. In addition, there is
the danger that you may lose control of your
vehicle and thus cause an accident. G
Risk of accident and injury
Work carried out incorrectly, or alterations
made
to the vehicle, e.g. rerouting of cables
under coverings, could cause the safety
systems of your vehicle to stop working properly. The safety systems would thus no
longer protect you and other persons as
intended. In addition, there is the danger
that you may lose control of your vehicle
and thus cause an accident.
All

work and alterations to the vehicle, e.g.
installations or modifications, should there-
fore be carried out at a qualified specialist
workshop. G
Risk of accident
A heavy impact to the underbody, tyres or
wheels,
for example when bottoming out on
rough terrain or driving over an obstacle at
high speed, could damage your vehicle. As
a result, you could cause an accident. This
also applies to vehicles which are equipped
with underbody protection.
For this reason, drive slowly over obstacles,
avoid bottoming out the vehicle in rough
terrain and, if necessary, have your vehicle
checked at a qualified specialist workshop. G
Risk of accident
If work on electronic equipment and its
software is carried out incorrectly, this
equipment could stop working. The elec-
tronic systems are networked via interfa-
ces. Tampering with these electronic sys- tems could cause malfunctions in systems
which have not been modified. Malfunc-
tions such as these can seriously jeopard-
ise the vehicle's operating safety and
therefore your own safety.
You should thus have all work and modifi-
cations to electronic components carried
out at a qualified specialist workshop.
Vehicle registration
Mercedes-Benz may ask its Service Centres
to carry out technical inspections on certain
vehicles to improve their quality or safety.
If you did not purchase your vehicle from an
authorised specialist dealer and your vehicle
has never been inspected at a Mercedes-
Benz Service Centre, it is possible that your
vehicle is not registered in your name with
Mercedes-Benz. Mercedes-Benz can only
inform
you about vehicle checks if it has your
registration data.
It is advisable to register your vehicle with a
Mercedes-Benz Service Centre.
Inform Mercedes-Benz as soon as possible
about any change in address or vehicle own-
ership. Introduction
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Exterior view
21Function Page
1 Boot
Opening and closing 70
Spare wheel 217
Vehicle tool kit 217
Vehicle battery 288
2 Rear lights
271
3 Rear window heating
164
4 Fuel filler flap
190
Fuel requirements 191
5 Opening and closing the
doors
66
6 Demisting the windscreen
163
Cleaning the windows 212
7
Sliding/tilting sunroof* 169
8 Exterior mirrors
84
Parking aid*
85 Function Page
9 Windscreen wipers, opera-
tion
97
Cleaning the wiper blades 211
Replacing the wiper blades 275
a Opening the bonnet
193
Engine oil 195
Coolant 196
b Front lights
271
c Fitting the front towing eye
293
d Tyres and wheels
198
Checking the tyre pressure 200
Flat tyre, fitting the spare
wheel
276
e Fitting the rear towing eye
293 At a glance
* optional
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Occupant safety
43In particular, work relevant to safety or on
safety-related
systems must be carried out
at a qualified specialist workshop. If this
work is not carried out correctly, the oper-
ating safety of your vehicle may be affec-
ted. There is a risk of an accident and injury. SRS (Supplemental Restraint System)
The SRS reduces the risk of occupants com-
ing into contact with the vehicle's interior in
the event of an accident. It can also reduce
the forces to which occupants are exposed
during an accident.
The SRS consists of:
R 1 warning lamp
R belt tensioners
R belt force limiters
R Airbags
1 warning lamp The SRS functions are checked regularly
when you turn on the ignition and when the
engine

is running. Malfunctions can therefore
be detected in good time. The 1 warning lamp in the instrument
cluster

lights up when the ignition is switched
on. It goes out no later than a few seconds
after the engine is started. G
Risk of injury
If SRS is malfunctioning, individual systems
may be activated unintentionally or not be
triggered in the event of an accident with
heavy braking.
A malfunction has occurred if the 1
warning lamp:
R does

not light up when you switch on the
ignition
R does not go out after the engine has been
running for a few seconds
R lights up again once the engine is running
In this case, have SRS checked immedi-
ately at a qualified specialist workshop.
Triggering of belt tensioners, belt force
limiters and airbags In the event of a collision, the sensor in the
airbag

control unit evaluates important phys-
ical data such as duration, direction and force
of the vehicle deceleration or acceleration.
Based on the evaluation of this data and depending on the vehicle's rate of longitudi-
nal deceleration in a collision, in the first
stage the airbag control unit pre-emptively
triggers the belt tensioners.
i
The

front belt tensioners can only be trig-
gered if the belt tongue is correctly
engaged in the seat belt buckle.
The front airbags are only deployed if there is
an even higher rate of vehicle deceleration in
a longitudinal direction.
Vehicles fitted with adaptive, dual-stage front
airbags: when the first deployment threshold
is reached, the front airbag is filled with
enough gas to reduce the risk of injuries. The
front airbag is only fully inflated if a second
threshold is reached within a few millisec-
onds due to the control unit having detected
further deceleration.
Criteria for triggering belt tensioners and
airbags
In the first stage of a collision, the airbag con-
trol unit evaluates the duration and direction
of vehicle acceleration or deceleration in
order to determine whether it is necessary to
trigger the belt tensioner and/or airbag.
The belt tensioner and airbag triggering
thresholds are variable and are adapted to the
rate of deceleration of the vehicle. This proc- Safety
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Opening and closing
67
X
To change the setting: press the k
and j buttons simultaneously for
approximately six seconds until the battery
check lamp flashes twice.
The key now functions as follows:
X To unlock the driver's door: press the
k button once.
X To unlock centrally: press the k but-
ton twice.
X To lock centrally: press the j button.
Restoring the factory settings X
Press the k and j buttons simulta-
neously for approximately six seconds until
the battery check lamp flashes twice. KEYLESS GO*
If you are carrying the KEYLESS GO key on
your person, you can use the KEYLESS GO
functions of your vehicle. The KEYLESS GO
key should not be more than one metre away
from the vehicle. However, you can also use
the KEYLESS GO key like a normal key with
remote control.
When you pull the door handle, the following
unlock centrally if the factory settings have
not been changed:
R the doors
R the boot lid
R the fuel filler flap G
Risk of accident
Never leave children unsupervised in the
vehicle. They could open a door from the
inside at any time, even if it has been
locked. Or they could start the vehicle if a
valid KEYLESS GO key is in the vehicle and
they press the KEYLESS GO button on the
gear selector lever. They could endanger
themselves and others. Switch off the
engine and take the KEYLESS GO key with
you, even if you are only leaving the vehicle
for a short time. 1
j Locking button
2 i Unlocking button for the boot lid
3 k Unlocking button
4 Battery check lamp
i You can also use the KEYLESS GO key to
open and close the side windows and slid-
ing/tilting sunroof* . You can open them
using the summer opening feature
(Y page 100). You can close them using
the convenience closing feature
(Y page 100).
i If the vehicle has been parked for a long
time, you must pull the door handle to acti-
vate the KEYLESS GO functions. Controls
* optional
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Driving systems
143
Selecting variable Speedtronic X
Check whether LIM indicator lamp 2 is on.
If it is on, variable Speedtronic is already
selected.
If it is not, press the cruise control lever in
the direction of arrow 5.
LIM indicator lamp 2 in the cruise control
lever lights up. Variable Speedtronic is
selected. G
Risk of accident
If there is a change of drivers, advise the
new driver of the limit speed stored.
Only use variable Speedtronic if you are
sure that you will not have to accelerate
suddenly to a speed above that stored as
the

limit speed, otherwise you could cause
an accident.
You can only exceed the limit speed stored
if you deactivate variable Speedtronic:
R using the cruise control lever
R if you depress the accelerator pedal
beyond the pressure point (kickdown)
It is not possible to deactivate variable
Speedtronic by braking. Storing the current speed You can use the cruise control lever to limit
the

speed to any speed above 30 km/h while
the engine is running.
X Briefly press the cruise control lever up
1 or down 4.
The current speed is stored. The stored
speed,

e.g. LIM km/h , appears in the multi-
function display.
The segments in the speedometer from the
start of the scale up to the stored speed
light up.
Selecting the current or last stored
speed X
Briefly pull the cruise control lever towards
you 3.
Adjustment in 10 km/h increments X
Briefly press the cruise control lever up
1 for a higher speed or down 4 for a
lower speed.
or
X Keep the cruise control lever pressed until
the desired speed is set. Press the cruise control lever, up 1 for a higher speed or
down 4 for a lower speed.
Making fine adjustments in 1 km/h
increments X
For a higher speed: briefly pull the cruise
control lever towards you 3.
or
X Keep the cruise control lever pulled
towards you 3 until the desired speed is
set.
Deactivating variable Speedtronic There are several ways to deactivate variable
Speedtronic:
X
Briefly press the cruise control lever for-
wards 6.
or
X Briefly press the cruise control lever in the
direction of arrow 5.
LIM

indicator lamp 2 in the cruise control
lever goes out. Variable Speedtronic is
deactivated.
Cruise control or Distronic* is selected. Controls
* optional
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Engine compartment
195Engine oil
Depending on how it is driven, the vehicle
consumes a maximum of 0.8 l oil per 1,000
km. The oil consumption may be higher than
this when the vehicle is new or if you fre-
quently drive at high engine speeds. You can
only estimate the oil consumption after you
have driven a considerable distance.
You will find further information about engine
oil in the "Technical data" section
(Y page 314).
Checking the engine oil level To do so:
R
the vehicle should be parked on level
ground
R the engine should be switched off for at
least five minutes if the engine was at nor-
mal operating temperature
R the engine should be switched off for at
least 30 minutes if the engine was not at
operating temperature (i.e. if you only star-
ted the engine briefly) Using the oil dipstick
Example of a vehicle with a petrol engine (CLS 350)
1
Oil dipstick
2 Upper mark
3 Lower mark
X Pull oil dipstick 1 out of the oil dipstick
tube.
X Wipe off oil dipstick 1.
X Insert oil dipstick 1 into the oil dipstick
tube to the stop, and take it out again.
The oil level is correct if the level is between
lower mark 3 and upper mark 2.
X Top up the oil if necessary ( Y page 195).i
The difference in quantity between lower
mark 3 and upper mark 2 is approxi-
mately 2 litres.
Topping up the engine oil Example of a vehicle with a petrol engine (CLS 350)
1
Cover Operation
219_AKB; 2; 4, en-GB
mkalafa,
2007-11-13T09:28:36+01:00 - Seite 195

Engine compartment
196Example of a vehicle with a diesel engine (CLS 320
CDI)
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Cover
X Unscrew cap 1 and remove it.
X Top up by the amount of oil required.
! Do not add too much oil. If too much oil
is added, there is a risk of damage to the
engine or the catalytic converter.
X Screw cap 1 onto the filler neck.
H Environmental note
When topping up the oil, take care not to
spill any. Oil must not be allowed to escape
into the soil or waterways. You would oth-
erwise be damaging the environment.
Coolant
G Risk of injury
The cooling system is pressurised. There-
fore, only unscrew the cap once the engine
has cooled down. The coolant temperature
gauge must display less than 70°C. You
could otherwise be scalded by escaping hot
coolant.
Coolant consists of water and antifreeze/cor-
rosion inhibitor. Only check the coolant level
when the vehicle is on a level surface and the
engine has cooled down. Checking the coolant levelThe expansion tank is located in the engine
compartment on the left when viewed in the
direction of travel.
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Cover
2 Expansion tank
3 Marker bar
X Slowly turn cap 1 by half a turn anti-clock-
wise to allow excess pressure to escape.
X Turn cap 1 further anti-clockwise and
remove it.
There is sufficient coolant in expansion
tank 2 if the coolant is level with marker
bar 3 in the filler neck when cold or
approximately 1.5 cm higher when hot.
Operation
219_AKB; 2; 4, en-GB
mkalafa,
2007-11-13T09:28:36+01:00 - Seite 196