Driving179
Safety First
Operating Instructions
Practical Tips
Technical Specifications
Activating/DeactivatingActivating
– Engage reverse gear or
– Press the button
on the centre console ⇒fig. 150 or on the
gear selector gate. You will hear a brief confirmation tone and the
LED on the switch will light up.
Deactivating
– Drive forward faster than 10 km/h, or
–Press the
button or
– Switch off the ignition or
– Disengage the reverse gear.
WARNING
•The parking aid is not a replacement for driver awareness. The driver is
personally responsible for safe parking and other manoeuvres.•The sensors have blind spots in which obstacles are not registered.
Always look out for small children and animals because the system will not
always detect them. Always pay attention when reversing to avoid acci-
dents.•Always keep a close eye on the area around the vehicle and make full
use of the rear view mirrors.Caution
Please note that low obstacles detected by the system may no longer be
registered by the sensors as the vehicle moves closer, so the system will not
give any further warning. Certain kinds of obstacles (such as wire fences,
chains, thin painted posts or trailer draw bars, etc) may not always be
detected by the system, so take care not to damage the vehicle in such cases.
Note
•Please refer to the notes on towing ⇒page 179.•There is a slight delay in the picture display.To w i n g b r a c k e t *In towing mode, the rear parking aid sensors are not enabled when you select
reverse gear or press the switch
. This function may not be guaranteed on
towing brackets that are not factory fitted. This results in the following restric-
tions:
Fig. 150 Centre console:
switch for parking aid
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Driving181
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Setting the speed
The desired cruising speed has to be stored in the memory.– Drive at the desired speed.
– Pull the lever to position ⇒ fig. 151 to activate the
system.
– Briefly press button .When button is released, the current speed is stored in the memory and
the vehicle will then maintain this speed.
Adjusting the stored speed
The desired cruising speed can be adjusted up or down as
required.Acceleration
–Move the lever up towards ⇒ fig. 151 .
– Release the lever to store the current cruising speed.
Deceleration
–Move the lever down towards ⇒ fig. 151 .
– Release the lever to store the current cruising speed.
Pressing lever briefly
– You can increase the set speed in steps of 2 km/h by briefly
pressing the lever up towards ⇒ fig. 151 .
– You can decrease the set speed in steps of 2 km/h by briefly
pressing the lever down towards ⇒ fig. 151 .You can also use the accelerator pedal momentarily to increase speed. The
previously programmed speed will be automatically resumed when the accel-
erator pedal is released.
However, if the vehicle exceeds the programmed speed by more than 10
km/h for more than 5 minutes, the programmed speed will be deleted. You
will then need to enter the speed again.
Fig. 151 Controls for the
cruise control system
AA
A1
AB
AB
AA
A+
AA
A-
AA
AA
A+
AA
A-
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Driving183
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Technical Specifications
Manual gearboxDriving with a manual gearboxEngaging the reverse gear
– The vehicle should be stationary with the engine idling. Press the
clutch down thoroughly.
– Place the gear lever into neutral and push the lever downwards.
– Slide the gear lever to the left, and then into the reverse position shown on the gear lever.The reverse gear can only be engaged when the vehicle is stationary. When
the engine is running and before engaging this gear, wait about 6 seconds
with the clutch pressed down thoroughly in order to protect the gearbox.
The reverse lights light up when the reverse gear is selected and the ignition
is on.
WARNING
•When the engine is running, the vehicle will start to move as soon as a
gear is engaged and the clutch released.•Never select the reverse gear when the vehicle is in motion. Risk of acci-
dent.Note
•Do not rest your hand on the gear lever while driving. The pressure of your
hand could cause premature wear on the selector forks in the gearbox.•When changing gear, you should always depress the clutch fully to avoid
unnecessary wear and damage.•Do not hold the vehicle on the clutch on hills. This causes premature wear
and damage to the clutch.Automatic gearbox*Introduction
multitronic
®, tiptronic (7-speed gearbox)
Vehicles with multitronic
® gearbox
The vehicle is equipped with an electronically controlled continuously vari-
able transmission (multitronic®). Unlike conventional automatics, the gear
ratios are not shifted in fixed steps but continuously variable. This gives
smoother transmission and makes for better fuel economy.
The gearbox selects the gear ratio and shifts up or down automatically
according to the gear change programmes stored in the control unit
⇒ page 188.
Fig. 153 Detailed view of
the centre console: gear
shift pattern of a 6-speed
manual gearbox
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This avoids overloading the locking mechanism and it will be easier to move
the selector lever from position P.
Vehicles with multitronic® gearbox: Your vehicle is equipped with the
hill
hold assist function which makes it easier to start off on a slope. The system
is activated when you press and hold the brake pedal for a few seconds.
When you release the brake pedal the braking force will be maintained for a
short moment in order to prevent the vehicle rolling back when you drive
away.
WARNING
•While you are selecting a gear and the vehicle is stopped with the
engine running, do not accelerate. Failure to do so could result in an acci-
dent.•Please note that some power will still be transmitted when you stop
temporarily with the selector lever in position D, S or R. Therefore, when
stopping you will need to press the brake with the force required to hold
the vehicle still. Failure to do so could result in an accident.•N e v e r m ov e t h e s e l e c t o r l e v e r t o R o r P w h e n d r i v i n g , a s t h i s co u l d ca u s e
an accident.•Vehicles with multitronic® gearbox: Please note that some power will
still be transmitted when you stop temporarily with the selector lever in
position D, S or R. Therefore, when stopping you will need to press the
brake with the force required to hold the vehicle still. Failure to do so could
result in an accident.
Selector lever positions
This section covers all th e selector lever positions.The current selector lever position is shown on the instrument panel display.
P - parking lock
This locks the driving wheels mechanically. The parking brake should only be
used when the vehicle is already stopped ⇒ .
The interlock button (the button on the selector lever handle) must be
pressed in and the brake pedal must be depressed before moving the
selector lever either in or out of position P. This is only possible when the igni-
tion is on.
R - Reverse gear
When reverse gear is engaged the gearbox automatically selects the lowest
gear ratio.
The reverse gear may be engaged only when the vehicle is stationary and the
engine is idling ⇒.
Fig. 155 Display:
Selector lever positions
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Selector lever lock
The selector lever lock prevents gears from being engaged
inadvertently, so that the vehicle is not set in motion uninten-
tionally.The selector lever lock is released as follows:
– Switch the ignition on.
–Press the brake pedal and at the same time press in the interlock
button.Automatic selector lever lock
With the ignition turned on, the selector lever is locked in the positions P and
N. To remove it from these positions, press on the brake. The following
message appears in the instrument panel as a reminder for the driver when
the selector lever is in position P or N:
WHEN STATIONARY APPLY FOOTBRAKE WHILE SELECTING GEAR The selector lever lock only works if the vehicle is stationary or driving at
speeds up to 5 km/h. At higher speeds the selector lever lock in the N posi-
tion is disengaged automatically.
The selector lever lock is not engaged if the selector lever is moved quickly
through position N (e.g. when shifting from R to D). This makes it possible, for
instance, to “rock” the vehicle backwards and forwards if it is stuck in snow
or mud. The selector lever lock engages automatically if the brake pedal is not
depressed and the lever is in position N for more than about a second.
Interlock button
The interlock button on the selector lever handle prevents the driver from
inadvertently engaging particular gears. Press the button in to disengage the
selector lever lock. The selector lever
positions in which the interlock button
has to be pressed are shown in the illustration, highlighted in colour
⇒ fig. 156 .
Safety interlock for ignition key
Once the ignition has been turned off, the key may be removed only if the gear
selector is in position P. While the key is not in the ignition, the selector lever
is locked in position P.
Kick-down feature
The kickdown feature is designed to give maximum accelera-
tion.Vehicles with multitronic
® gearbox
When the accelerator pedal is pressed right down past the point of resistance
at full throttle, the gearbox will select a lower gear ratio, depending on road
speed and engine speed. While you keep the accelerator depressed the
engine speed is automatically controlled to give your vehicle maximum accel-
eration.
Fig. 156 Selector lever
lock functions
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Manual gear selection (tiptronic mode)
With the manual shift programm e (tiptronic) the driver can
manually select pre-programmed gears.
Switching over to the manual programme
– Move the selector lever from the position D to the right-hand
side. As soon as the selector lever has entered the tiptronic rail,
the gear engaged is displayed on the screen.
Shifting up a gear
– Briefly push the selector lever forwards (in the tiptronic gate) ⇒fig. 157 .
Shifting down a gear
– Briefly pull the selector lever backwards (in the tiptronic gate)
.With the tiptronic system, the driver can manually choose between eight (in
vehicles with multitronic) or seven (in vehicles with tiptronic) different gear
programmes. The manual programme can be selected either with the vehicle
stationary or on the move.
When accelerating, the gearbox automatically shifts up into the next gear
shortly before the maximum engine speed is reached.
If you select a gear which is lower than the gear shown on the instrument
panel display ⇒ fig. 158, the gearbox will only shift down when there is no
longer a risk of over-revving the engine.
When the vehicle slows down (for instance when braking), the gearbox auto-
matically shifts down into the next gear when the minimum engine speed is
reached.
Changing down to a lower gear increases the engine braking effect on down-
hill gradients.
When the accelerator pedal is pressed right down past the point of resistance
at full throttle, the gearbox will select a lower gear ratio, depending on road
speed and engine speed.
Fig. 157 Centre console:
Manual gear selection
(tiptronic mode)Fig. 158 Display: Manual
gear selection (tiptronic
mode)
A+
A-
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Intelligent technology191
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Operating Instructions
Practical Tips
Technical Specifications
Practical TipsIntelligent technologyElectronic Stability Programme (ESP)General notes
The Electronic Stability Programme increases the vehicle's
stability on the road.The ESP is designed to increase the degree of control in situations where the
vehicle approaches the limits of adhesion, especially when accelerating and
cornering. It reduces the risk of skidding and improves stability in all road
conditions. The system is active across the entire speed range. The anti-lock brake system (ABS), the electronic differential lock (EDL) and
the traction control system (TCS) are all integrated into the Electronic Stability
Programme.
How it works
The ESP control unit processes data from the three integrated systems. It also
processes additional inputs provided by other high-precision sensors. These
register the vehicle's rotation about the vertical axis (yaw rate), lateral accel-
eration, brake pressure and steering wheel angle.
The system uses the steering wheel angle and road speed to calculate the
changes of direction desired by the driver, and constantly compares them
with the actual behaviour of the vehicle. If the desired course is not being
maintained (for instance, if the vehicle is starting to skid), then the ESP
compensates automatically by braking the appropriate wheel.
The forces acting on the braked wheel bring the vehicle back to a stable
condition. If the vehicle over
swerves (tendency of the rear to leave the road),
the brakes will act on the front wheel facing the outside of the bend. If the
vehicle under swerves (tendency to leave the bend), the braking force is
applied to the rear wheel facing the inside of the bend.
The ESP works in conjunction with the ABS ⇒page 192. If a malfunction
should occur in the ABS, the ESP will also stop working.
Deactivating
The ESP is activated automatically when the engine is started and performs a
self-test routine.
Fig. 160 Centre console
with ESP switch
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Brake assist system
The brake assist system helps the driver to achieve optimum
braking effect.The brake assist system helps to increase braking power and thus to achieve
a shorter stopping distance. If the driver presses the brake pedal very quickly,
the brake assist system automatically boosts the braking force to the
maximum level, up to the point where the anti-lock brake function (ABS) inter-
venes to stop the wheels from locking. You should then keep the brake pedal
pressed until the vehicle has braked to the required speed. The brake assist
system switches itself off as soon as you release the brake pedal.
The brake assist system will not be operative if there is a malfunction in the
ABS or the ESP.
WARNING
Please remember that the accident risk always increases if you drive too
fast, especially in corners or on a slippery road, or if you follow too close
behind the vehicle in front of you. An increased accident risk cannot be
compensated even by the brake assist system.Electronic differential lock (EDL)
The electronic differential lock prevents the loss of traction
caused if one wheel starts spinning.General notes
The electronic differential lock (EDL) helps the vehicle to start moving, accel-
erate and climb a gradient in slippery conditions where this may otherwise be
difficult or even impossible. How it works
The EDL works automatically, without the driver's involvement. With the aid
of the ABS sensors, the system monitors the rotational speed of the drive
wheels
⇒page 192. If a considerable difference in revs is detected (approx.
100 rpm) in the speed of the drive wheels, e.g. when only one part of the
surface supporting the wheels is slippery, the system applies the brake to
slow down the skidding wheel so that more of the power is directed to the
other wheels. The systems works up to a speed of approx. 80 km/h. The
system will make noise while it is working.
Starting the vehicle
If one wheel has less grip and starts spinning (for instance, if one of the drive
wheels is on ice), keep pressing the accelerator gradually until the vehicle
starts moving.
Overheating of the brakes
To prevent the brake disk of the braked wheel from overheating, the EDL cuts
out automatically if subjected to excessive loads. In this case, the vehicle will
continue to run and will have the same running properties as those of another
without EDL.
The EDL will switch on again automatically when the brake has cooled down.
WARNING
•When accelerating on a uniformly slippery surface (for instance all four
wheels on ice or snow), press the accelerator gradually and carefully.
Despite EDL, the drive wheels may otherwise start to spin. This could
impair the vehicle's stability. Risk of accident.•Even with EDL, you should always adjust your speed to suit the road and
traffic conditions. Do not let the extra safety features tempt you into taking
any risks when driving. Failure to do so could result in an accident.
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