power steering MERCEDES-BENZ CLK-CLASS 2003 User Guide

126 Automatic climate control
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Rear window defroster
Turn electronic key in steering lock to position 2.
To select, press F button.
To c a nc el, pr ess F button again.
Notes:
Heavy accumulation of snow and ice should be removed
before activating the defroster.
The rear window defroster consumes a large amount of
electrical power. To keep the battery drain to a
minimum, turn off the defroster as soon as the window
is clear.
The defroster is automatically turned off after a
maximum of 12 minutes of operation.
If several power consumers are turned on
simultaneously, or the battery is only partially charged,
it is possible that the defroster will automatically turn
itself off. When this happens, the indicator lamp inside
the switch starts blinking.
As soon as the battery has sufficient voltage, the
defroster automatically turns itself back on.Air distribution
TPress b button for each side repeatedly until the
requested symbol is displayed.
Press U button to return to automatic mode.
Air volume
Press – or + side of rocker switch ï until the
requested blower speed is attained. A choice of 7 blower
speeds is available.
To switch the automatic climate control off, press – side
of rocker switch ï until symbol OFF is displayed.IThe fresh air supply to the vehicle interior is shut off.
While driving, use this setting only temporarily,
otherwise the windshield could fog up.
To switch the automatic climate control on again, press
U, P or + side of ï.
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147 Interior equipment
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Power windows
Power window switches located on center consoleTurn electronic key in steering lock to position 1 or 2.
Press switch in to resistance point:
kto open
jto close
Release switch when window is in desired position.
P54.25-2031-26
Wa r n i n g !
When closing the windows, be sure that there is no
danger of anyone being harmed by the closing
procedure.In case of obstruction, the automatic reversal will
not operate if a window is being closed by pressing
the switch to its resistance point and holding it
there, or when using the remote control.The c los in g proc ed ure c an b e im m edi ately reversed
by either pressing the switch k or pressing
button Πon the remote control, and holding it.When leaving the vehicle, always remove the
electronic key from the steering lock, and lock the
vehicle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment can cause
serious personal injury.
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148 Interior equipment
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Express opening and closing of front door windows
Press switch k or j past resistance point and
release — window opens or closes completely.
To interrupt procedure, briefly press k or j.
If the upward movement of the window is blocked
during the closing procedure, the window will stop
during the last few inches before closure and open
slightly.
When pressing and holding the switch j to close the
window, and upward movement of the window is
blocked during the last few inches before closure, it will
stop but not
open slightly.Note:
The power windows can also be opened or closed with
the infrared remote control while unlocking or locking
the vehicle doors or trunk, see page 31.
If the express closing function of the door windows is
interrupted, press and hold the switch j to close the
window completely.
The automatic full closing procedure of the window
should now be reactivated.
Synchronizing power windows
If the power supply was interrupted (battery
disconnected or low), the windows cannot be opened or
closed by the express feature.
To resynchronize the express feature, press j si de of
power window switch until the window is completely
closed and hold for additional 2 seconds. Repeat
procedure for each window.
The automatic full opening and closing procedure of the
windows should now be restored.
Wa r n i n g !
When leaving the vehicle, always remove the
electronic key from the steering lock and lock the
vehicle. Do not leave children unattended in the
vehicle, or with access to an unlocked vehicle.
Unsupervised use of vehicle equipment can cause
serious personal injury.
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150 Interior equipment
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
With the roof closed or tilted open, a screen can be slid
into the roof opening to guard against sun rays. When
sliding the roof open, the screen will also retract.
Express opening of sliding / pop-up roof
Move switch past resistance point and release — the
sliding / pop-up roof slides open automatically.
To interrupt procedure, briefly move switch in any
direction.Synchronizing sliding/pop-up roof
If the power supply was interrupted (battery
disconnected or low), or if the sliding/pop-up roof is
blocked during closing/opening procedure, the system
has to be synchronized.
To do so, turn electronic key in steering lock to
position 2, move and hold switch in direction (3) until
the sliding/pop-up roof is completely raised at rear, and
hold for additional 1 second.
P68.00-2101-26
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175 Contents – Driving
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
DrivingControl and operation of
radio transmitters ..................... 176
The first 1 000 miles
(1 500 km) ................................. 177
Maintenance ................................... 177
Catalytic converter ........................ 178
Emission control ............................ 179
Tele Aid ........................................... 180
Steering lock ................................... 190
Starting and turning off
the engine .................................. 192
Automatic transmission ............... 193
Parking brake .................................202Driving instructions ...................... 203
Drive sensibly – save fuel ........ 203
Drinking and driving ................ 203
Pedals .......................................... 203
Power assistance ........................ 204
Brakes .......................................... 204
Driving off ................................... 205
Parking ........................................ 206
Tires ............................................. 206
Snow chains ............................... 209
Winter driving
instructions ................................ 209
Deep water ...................................210
Passenger compartment ............ 211
Traveling abroad ......................... 211Cruise control ................................. 212
Brake assist system
(BAS) ........................................... 214
Antilock brake system
(ABS) ........................................... 216
Electronic stability program
(ESP) ........................................... 218
What you should know
at the gas station .......................222
Check regularly and
before a long trip ......................224
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191 Steering lock
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Important!
If the electronic key is left in the steering lock position 0
for an extended period of time, it can no longer be
turned in the lock. In this case, remove electronic key
from steering lock and reinsert.
Caution!
To prevent accelerated battery discharge and a possible
dead battery, always remove the electronic key from the
steering lock. Do not leave the electronic key in steering
lock position 0.Notes:
A warning sounds when the driver’s door is opened
while the electronic key is in steering lock position 1
or 0.
If the electronic key cannot be turned in the steering
lock, the vehic le b attery may no t b e suf f i cien tly charged .
See battery on page 268 or jump starting on page 270.
With the engine at idle speed, the charging rate of the
alternator (output) is limited.
It is therefore recommended that you turn off
unnecessary electrical consumers while driving in stop-
and-go traf fic. This precaution helps to avoid draining of
the battery.
Unnecessary strain on the battery and charging system
may be minimized by turning off the following power
consumers, for example: Heated seats, rear window
defroster. In addition, the automatic climate air volume
control should be set to the lowest position.
The steering lock can only be unlocked with the vehicle
battery properly charged and connected.
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204 Driving instructions
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Power assistance
BrakesExcessive use of salt and other snow melting chemicals
spread on roads during the winter months may cause a
build up of moisture or residue to form on the braking
components. This build up or residue could cause light
corrosion of the braking components if the vehicle is
parked with the brakes cold. Apply steady and even
braking pressure when stopping the vehicle to warm up
and dry the brake components.
Important!
Please pay attention to the function of the brake assist
system (BAS), see page 214.
The condition of the parking brake system is checked
each time the vehicle is in the shop for the required
maintenance service at an authorized Mercedes-Benz
Center.
If the parking brake is released and the brake warning
lamp in the instrument cluster stays on, the brake fluid
level in the reservoir is too low.
Brake pad wear or a leak in the system may be the
reason for low brake fluid in the reservoir.
Have the brake system inspected at an authorized
Mercedes-Benz Center immediately.
Wa r n i n g !
When the engine is not running, the brake and
steering systems are without power assistance.
Under these circumstances, a much greater effort is
necessary to stop or steer the vehicle.Wa r n i n g !
After driving in heavy rain for some time without
applying the brakes or through water deep enough
to wet brake components or salty road conditions,
the first braking action may be somewhat reduced
and increased pedal pressure may be necessary to
obtain expected braking effect. Be sure to maintain
a safe distance from vehicles in front.Resting your foot on the brake pedal will cause
excessive and premature wear of the brake pads.It can also result in the brakes overheating thereby
significantly reducing their effectiveness. It may
not be possible to stop the vehicle in sufficient time
to avoid an accident.
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215 Driving systems
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Applying the brakes very quickly results in maximum
BAS assistance.
To receive the benefit of the system you must apply
continuous full braking power during the stopping
sequence. Do not reduce brake pedal pressure.
Once the brake pedal is released, the BAS is deactivated.
The malfunction indicator lamp for the electronic
stability program (ESP) is combined with the BAS
malfunction indicator lamp.
The BAS/ESP malfunction indicator lamp in the
instrument cluster comes on with the electronic key in
steering lock position 2 and should go out with the
engine running.If the BAS/ESP malfunction indicator lamp comes on
permanently while the engine is running, a malfunction
has been detected in either system. As a result, it is
possible that now only partial engine output will be
available. If the BAS malfunctions, the brake system
functions in the usual manner, but without BAS.
If the charging voltage falls below 10 volts, the
malfunction indicator lamp comes on and the BAS is
switched off. When the voltage is above this value again,
the malfunction indicator lamp should go out and the
BAS is operational.
With the ABS malfunctioning, the BAS is also switched
off. Both malfunction indicator lamps come on with the
engine running.
If a BAS warning message is displayed, have the BAS or
ESP checked at your authorized Mercedes-Benz Center
as soon as possible.
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216 Driving systems
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Antilock brake system (ABS)
Important!
The ABS improves steering control of the vehicle during
hard braking maneuvers.
The ABS prevents the wheels from locking up above a
vehicle speed of approximately 5 mph (8 km/h)
independent of road surface conditions.At the instant one of the wheels is about to lock up, a
slight pulsation can be felt in the brake pedal,
indicating that the ABS is in the regulating mode. Keep
firm and steady pressure on the brake pedal while
experiencing the pulsation.
Continuous steady brake pedal pressure results in
applying the advantages of the ABS, namely braking
power and ability to steer the vehicle.
In the case of an emergency brake maneuver keep
continuous full pressure on the brake pedal. In this
manner only can the ABS be most effective.
On slippery road surfaces, the ABS will respond even
with light brake pedal pressure because of the
increased likelihood of locking wheels. The pulsating
brake pedal can be an indication of hazardous road
conditions and functions as a reminder to take extra
care while driving.
Wa r n i n g !
Do not pump the brake pedal, rather use firm,
steady brake pedal pressure. Pumping the brake
pedal defeats the purpose for ABS and significantly
reduces braking effectiveness.
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219 Driving systems
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Notes:
The malfunction indicator lamp¿ for the ESP is
combined with that of the BAS.
The yellow BAS/ESP malfunction indicator lamp in the
instrument cluster and the yellow ESP warning
lampv in the speedometer dial come on with the
electronic key in steering lock position 2. They should
go out with the engine running.
If the BAS/ESP malfunction indicator lamp comes on
continuously with the engine running, a malfunction
has been detected in either system. Only partial engine
output will be available.
If the BAS malfunctions, the brake system functions in
the usual manner, but without BAS.
If the ESP warning message is displayed, have the BAS
or ESP checked at your authorized Mercedes-Benz
Center as soon as possible.
For ESP warning message, see page 243.
With the ABS malfunctioning, the ESP is also switched
off.Driving the vehicle with varied size tires will cause the
wheels to rotate at different speeds, therefore the ESP
may activate (yellow ESP warning lamp in speedometer
dial c omes on ). For t his r eason , all wheels , i nclud in g t he
spare wheel, must have the same tire outside diameter.
When testing the parking brake on a brake test
dynamometer, the engine must be shut off. Otherwise,
the ESP will immediately be engaged and will apply the
rear wheel brakes.
In winter operation, the maximum effectiveness of the
ESP i s on ly achieved wit h Me rced es -B enz re comm end ed
M+S rated radial-ply tires and / or snow chains.
Synchronizing ESP
If the power supply was interrupted (battery
disconnected or empty), the BAS/ESP malfunction
indicator lamp may be illuminated with the engine
running.
Turn steering wheel completely to the left and then to
the right. The BAS/ESP malfunction indicator lamp
should go out.
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