warning MERCEDES-BENZ E-CLASS SALOON 2008 Service Manual
[x] Cancel search | Manufacturer: MERCEDES-BENZ, Model Year: 2008, Model line: E-CLASS SALOON, Model: MERCEDES-BENZ E-CLASS SALOON 2008Pages: 401, PDF Size: 6.89 MB
Page 153 of 401
Driving sys
tems 150
X
Press the èorÿ button repeatedly
until one of the following two displays
appears in the multi-function display.
Distronic deactivated
When Distronic is deactivated you will see the
standard Distronic display in the multi-func-
tion display. 1
Vehicle in front, if detected
2 Distance indicator, displaying current dis-
tance to the vehicle in front
3 Specified minimum distance to the vehi-
cle in front, adjustable
4 Own vehicle
5 Symbol for activated distance warning
function
Distronic activated
When Distronic is activated, the stored speed
appears in the multi-function display for
approximately five seconds. With Distronic activated, you will see the following in the
multi-function display:
1
Display for activated Distronic
Deactivating Distronic 1
To deactivate Distronic
2 LIM indicator lamp
3 To switch between Distronic and variable
Speedtronic There are several ways to deactivate Dis-
tronic:
X
Briefly press the cruise control lever for-
wards 1.
or
X Brake.
or
X Briefly press the cruise control lever in the
direction of arrow 3.
Variable Speedtronic is selected. LIM indi-
cator lamp 2in the cruise control lever
lights up.
i You will see the Distronic off message
in the multi-function display for approxi-
mately five seconds.
The last speed stored is cleared when you
switch off the engine.
i Distronic is not deactivated if you depress
the accelerator pedal. If you accelerate
briefly to overtake, Distronic adjusts the
vehicle's speed to the last speed stored
after you have finished overtaking.
Distronic is automatically deactivated if:
R you depress the parking brake
R you are driving at less than 30 km/h Controls
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Page 154 of 401
Driving sys
tems 151
R
ESP ®
is intervening or you deactivate
ESP ®
R you move the selector lever* to Nwhile
driving
If Distronic is deactivated, you will hear a
warning tone. You will see the Distronic
off message in the multi-function display for
approximately five seconds.
Tips for driving with Distronic The following contains descriptions of certain
road and traffic conditions in which you must
be particularly attentive. In such situations,
brake if necessary. Distronic is then deacti-
vated. Cornering, going into and coming out of a
bend The ability of Distronic to detect vehicles
when cornering is limited. Your vehicle may
brake unexpectedly or belatedly.
Vehicles travelling on a different line Distronic may not detect vehicles travelling
on a different line. The distance to the vehicle
in front will be too short.
Other vehicles changing lane
Distronic has not yet detected the vehicle
cutting in. The distance to this vehicle will be
too short. Controls
* optional
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Page 157 of 401
Driving sys
tems 154
Making adjustments in 10 km/h incre-
ments X
Briefly press the cruise control lever up
1 for a higher speed or down 4for a
lower speed.
or
X Keep the cruise control lever pressed until
the desired speed is set. Press the cruise
control lever, up 1for a higher speed or
down 4for 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 3until 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 2in the cruise control
lever goes out. Variable Speedtronic is
deactivated.
Cruise control or Distronic* is selected.
Variable Speedtronic is deactivated automat-
ically when you depress the accelerator pedal
beyond the pressure point (kickdown) but
only if your current speed does not differ by
more than 20 km/h from the stored speed.
You will hear a warning tone if this is the case. G
Risk of accident
It is not possible to deactivate variable
Speedtronic by braking.
i The last speed stored is cleared when you
switch off the engine.
Permanent Speedtronic i
Permanent Speedtronic is only available
for certain countries.
You can use the on-board computer to limit
the speed permanently to a value between
160 km/h (e.g. for driving with winter tyres)
and the maximum speed. Shortly before the stored speed is reached it
is shown in the multi-function display.
You cannot exceed the stored limit speed,
even if you depress the accelerator pedal
beyond the pressure point (kickdown).
Setting permanent Speedtronic
X
Press èor· to select the Set-
tings... menu (Ypage 131).
X Press the jbutton to call up the selec-
tion of submenus.
X Press the æorç button to select the
Vehicle submenu.
X Press jto select Speed limit (win-
ter tyres) . X
Press the æorç button to select the
desired setting.
The following settings can be selected:
R Off Controls
* optional
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Page 159 of 401
Driving sys
tems 156 R
HOLD is deactivated by depressing the
accelerator pedal or the brake pedal
R there is a malfunction in the system or an
interruption in the power supply, e.g. bat-
tery failure
R the electrical system in the engine com-
partment, the battery or the fuses are
tampered with
R the battery is disconnected G
Risk of accident
If you wish to leave the vehicle or park it,
deactivate HOLD and secure the vehicle
against rolling away.
You will see a warning message in the multi-
function display if HOLD is activated and:
R the driver's door is opened and you release
the seat belt
R the ignition is switched off
R the bonnet is opened
Vehicles with manual transmission:
Brake immediately
X Immediately depress the brake pedal firmly
until the warning message in the multi-
function display goes out. This deactivates
HOLD. Vehicles with automatic transmission*:
Selector lever in park position
X Move the selector lever to Pto prevent the
vehicle from rolling away.
HOLD is deactivated. The warning message
in the multi-function display goes out.
A horn will also sound at regular intervals if
HOLD is activated and you:
R stop the engine and open the driver's door
R open the bonnet
The horn draws your attention to the fact that
the vehicle has been parked while HOLD is
still activated. The sound becomes louder if
you attempt to lock the vehicle. The vehicle
is not locked until HOLD is deactivated.
i If the ignition has been switched off, the
engine cannot be restarted until HOLD is
deactivated.
If there is a fault in the system or power supply
while HOLD is activated, the Brake immedi-
ately message appears in the multi-function
display. Immediately depress the brake firmly
until the warning message disappears from
the multi-function display, or in vehicles with
automatic transmission*, move the selector
lever to P. This deactivates HOLD. AIRMATIC DC*
Vehicle level Your vehicle automatically adjusts its ride
height to reduce petrol consumption and
improve driving safety.
The following vehicle levels are possible:
R
Normal
R Raised
R Lowered
The "Normal" and "Raised" vehicle levels can
be set manually.
The "Lowered" vehicle level is set automati-
cally:
R at speeds above 140 km/h
R if you have selected "Sports tuning I or
II" (Y page 157)
Setting the vehicle level manually
Select the "Normal" setting for normal road
surfaces and "Raised" for driving with snow
chains or on particularly poor road surfaces. G
Risk of injury
Make sure that nobody is in the vicinity of
the wheel housing or under the vehicle Controls
* optional
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Page 163 of 401
Driving sys
tems 160
If there is an obstacle within this range, all
warning displays light up and a tone sounds.
If the distance falls below the minimum clear-
ance, it may no longer be shown.
Warning displays The warning displays show the distance
between the sensors and the obstacle. The
warning display for the front area is located
on the dashboard above the centre air vents.
The warning display for the rear area is in the
roof trim at the rear. Front area warning display
1
Left-hand side of the vehicle
2 Right-hand side of the vehicle
3 Indicator segments The warning display for each side of the vehi-
cle is divided into five yellow and two red
segments. Parktronic is operational if yellow
indicator segments
3light up.
The gear lever or selector lever position*
determines which warning display is active:
Manual transmission: Gear lever in Warning display
Forwards gear
or
Neutral Front area activated
Reverse gear Rear and front areas
activated
Automatic transmission*:
Selector lever at Warning display
D Front area activated
R
or N Rear and front areas
activated
P No areas activated One or more segments light up as the vehicle
approaches an obstacle, depending on the
vehicle's distance from the obstacle.
From the:
R
sixth segment onwards, you will hear an
intermittent warning tone for approxi-
mately two seconds.
R seventh segment onwards, you will hear a
warning tone for approximately two sec-
onds. You have reached the minimum dis-
tance.
Deactivating/activating Parktronic 1
To deactivate/activate Parktronic
2 Indicator lamp
If indicator lamp 2is on, Parktronic is deac-
tivated. Controls
* optional
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Page 232 of 401
Tyres and wheels
229Direction of rotation
Direction of rotation Tyres with a specified direction of rotation
have additional benefits, e.g. if there is a risk
of aquaplaning. You will only gain these ben-
efits if the correct direction of rotation is
observed.
An arrow on the sidewall of the tyre indicates
its correct direction of rotation.
i You may fit a spare tyre* against the
direction of rotation. MOExtended run-flat system*
The MOExtended run-flat system allows you
to continue driving the vehicle even when one
or more tyres lose all air pressure.
The MOExtended run-flat system may only be
used in conjunction with the tyre pressure
loss warning system or the tyre pressure
monitor* and on wheels specifically tested by
Mercedes-Benz.
i Vehicles with MOExtended run-flat sys-
tem are not equipped with the TIREFIT
kit* 30
. It is therefore recommended to additionally
equip your vehicle with the TIREFIT kit*
when fitting tyres that do not feature run-
flat properties, e.g. winter tyres.
i A TIREFIT kit* is available from any quali-
fied specialist workshop, e.g. a Mercedes-
Benz Service Centre.
You will find notes on driving with a flat tyre
in the "Practical advice" section
(Y page 328). Tyre tread
G
Risk of accident
Bear in mind that:
R tyre grip decreases rapidly on wet roads
when the tread depth is less than 3 mm.
You should thus replace tyres that have
insufficient tread.
R winter tyres should be replaced when the
tread depth is 4 mm or less because oth-
erwise they no longer provide adequate
grip.
R the tread on a tyre may not wear evenly.
You should thus regularly check the tread depth and the condition of the tread
across the entire width of all tyres. If nec-
essary, turn the steering wheel so that
you can see the tyre tread more easily.
You could otherwise lose control of the
vehicle and cause an accident due to the
reduced grip of the tyres on the road. Tyre pressures
G
Risk of accident
Tyre pressure that is either too high or too
low has a negative effect on the vehicle’s
driving safety, which could lead you to
cause an accident. You should therefore
regularly check the pressure of all your
tyres (including the spare tyre*), particu-
larly prior to long trips, and correct the
pressure as necessary.
To test tyre pressure, use a suitable pressure
gauge. The outer appearance of a tyre does
not permit any reliable conclusion about the
tyre pressure. On vehicles fitted with the elec-
tronic tyre pressure monitor*, the tyre pres-
sure can be checked in the on-board com-
puter.
30 Only for certain countries Operation
* optional
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Page 233 of 401
Tyres and wheels
230
If the vehicle is to be heavily laden or driven
at high speeds, the tyre pressure must be
adapted according to the specifications given
in the fuel filler flap (Y page 218).
Use the highest specified tyre pressure for
the spare wheel*. G
Risk of accident
Should the tyre pressure drop repeatedly:
R Check the tyre for foreign bodies.
R Check whether the wheel is losing air or
the valve is leaking.
Tyre pressure that is too low has a negative
effect on the vehicle’s active safety, which
could lead to your causing an accident.
Tyre pressure changes by approximately
0.1 bar for every 10 °C change in ambient
temperature.
If you measure the tyre pressure in enclosed
spaces where the temperature differs from
the outside temperature, you will have to cor-
rect the measured value accordingly.
When the vehicle is driven, the tyre tempera-
ture, and with it the tyre pressure, will
increase depending on the road speed and
the load on the tyres. Therefore, you should only correct tyre pres-
sures when the tyres are cold.
The pressure of warm tyres should only be
corrected if it is too low for the current oper-
ating conditions.
You will find a table of tyre pressures for var-
ious operating conditions on the inside of
your vehicle's fuel filler flap.
Driving with tyre pressure that is too high or
too low can:
R shorten the service life of the tyres
R cause increased tyre damage
R have a negative effect on handling charac-
teristics (e.g. by causing aquaplaning)
E 350 CGI 31
/E 300 BLUETEC: the values on
the tyre pressure information label (fuel filler
flap) are for the use of the vehicle in partially
laden and fully laden condition whilst driving
at maximum speed.
Despite what is stated on the tyre pressure
information label, for speeds up to
210 km/h the values stated can be reduced
as follows, without a reduction in safety:
-0.4 bar /-6 psi: E 350 CGI
-0.3 bar/-4 psi: E 300 BLUETEC This improves the ride comfort of your vehi-
cle, however the fuel consumption could
increase slightly.
Also check the tyre pressure of the spare
wheel*. H
Environmental note
Check the tyre pressure regularly, at least
every 14 days. Tyre pressure loss warning system
G
Risk of accident
The tyre pressure loss warning system does
not warn you of an incorrectly set tyre pres-
sure. The table on the inside of the fuel filler
flap will help you decide whether the tyre
pressures should be corrected.
The tyre pressure loss warning system does
not replace the need to regularly check
your vehicle's tyre pressures, since an even
loss of pressure on several tyres at the
same time cannot be detected by the tyre
pressure loss warning system.
The tyre pressure loss warning system is
not able to warn you of a sudden loss of
31 Only for certain countries. Operation
* optional
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Page 234 of 401
Tyres and wheels
231pressure, e.g. if the tyre is penetrated by a
foreign object.
In the event of a sudden loss of pressure,
bring the vehicle to a halt by braking care-
fully. Do not make any sudden steering
movements when doing so.
While the vehicle is in motion, the tyre pres-
sure loss warning system monitors the set
tyre pressure using the rotational speed of
the wheels. This enables the system to detect
significant pressure loss in a tyre. If the speed
of rotation of a wheel changes as a result of
a loss of pressure, a corresponding warning
message will appear in the multi-function dis-
play.
The function of the tyre pressure loss warning
system is limited or delayed if:
R snow chains are fitted to your vehicle's
tyres
R road conditions are wintry
R you are driving on sand or gravel
R you adopt a very sporty driving style (cor-
nering at high speeds or driving with high
rates of acceleration)
R you are towing a very heavy or large trailer
R you are driving with a heavy load (in the
vehicle or on the roof) Restarting the tyre pressure loss warn-
ing system Restart the tyre pressure loss warning system
if you have:
R
changed the tyre pressure
R changed the wheels or tyres
R fitted new wheels or tyres
X Before restarting, consult the table of tyre
pressures on the inside of the fuel filler flap
to ensure that the tyre pressure in all four
tyres is set correctly for the operating con-
ditions concerned.
X Also observe the notes in the section on
tyre pressures (Y page 229). G
Risk of accident
The tyre pressure loss warning system can
only give reliable warnings if you have set
the correct tyre pressure.
If an incorrect tyre pressure is set, these
incorrect values will be monitored.
A tyre with insufficient pressure results in
an instability of the vehicle when driving,
thus increasing the risk of an accident. X
Make sure that the key is in position 2in
the ignition lock.
The standard display appears in the multi-
function display (Y page 125).
X Press korj to select the tyre pres-
sure function:
Run Flat Indicator active
Menu: R-Button æ
X Press the reset button on the left of the
instrument cluster.
The following message appears in the
multi-function display:
Restart Run Flat Indicator?
Yes Cancel
If you wish to confirm the restart:
X Press the æbutton.
The following message appears in the
multi-function display:
Run Flat Indicator restarted
After a teach-in period, the tyre pressure
loss warning system will monitor the set
tyre pressures of all four tyres.
If you wish to cancel the restart:
X Press the çbutton.
or
X Wait until the message Operation
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Tyres and wheels
232Restart Run Flat Indicator?
Yes Cancel
disappears.
The tyre pressure values stored at the last
restart will continue to be monitored. Checking the tyre pressure electroni-
cally*
The tyre pressure monitor only functions if
the correct wheel electronics are fitted to all
wheels. These monitor the pressure in all four
tyres, which you have set when restarting the
tyre pressure monitor. The monitor warns you
when the pressure drops in one or more of
the tyres. G
Risk of accident
The tyre pressure monitor does not warn
you of an incorrectly set tyre pressure. The
table on the inside of the fuel filler flap will
help you decide whether the tyre pressures
should be corrected.
The tyre pressure monitor is not able to
warn you of a sudden loss of pressure, e.g.
if the tyre is penetrated by a foreign object.
In the event of a sudden loss of pressure,
bring the vehicle to a halt by braking care-
fully. Do not make any sudden steering
movements when doing so. i
The operation of the tyre pressure moni-
tor can be affected by interference from
radio transmitting equipment (e.g. radio
headphones, two-way radios) that may be
being operated in or near the vehicle.
i If you are carrying a deflated tyre in the
vehicle, you may only reactivate the tyre
pressure monitor if:
R the deflated tyre is no longer in the vehi-
cle
R you have adjusted the tyre pressure cor-
rectly
Calling up the tyre pressure using the
on-board computer X
Make sure that the key is in position 2in
the ignition lock.
X Press the jork button to select the
tyre pressure function. The current tyre pressure for each wheel will
be displayed.
If the vehicle has been parked for longer than
20 minutes or you have not driven faster than
25 km/h since the vehicle was parked, the
following message appears:
Tyre pressure displayed only after
driving for a few minutes
i
The tyre pressure values indicated by the
on-board computer may differ from those
measured at a filling station with a pressure
gauge. The tyres pressures shown by the
on-board computer refer to those meas-
ured at sea level. The tyre pressure values
indicated by the on-board computer may
differ when the vehicle is at high altitude.
In this case, do not reduce the tyre pres-
sures.
Tyre pressure warning If the tyre pressure on one or more wheels
drops significantly, a message appears in the
multi-function display.
The tyre pressure of the affected wheel(s) will
be displayed in a red rectangle. You will also
hear a warning tone.Operation
* optional
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Page 236 of 401
Tyres and wheels
233
Restarting the tyre pressure monitor In most cases, the tyre pressure monitor will
automatically detect the new reference val-
ues, e.g. if you have:
R
changed the tyre pressure
R changed the wheels or tyres
R fitted new wheels or tyres
If you wish to define the new reference values
manually:
X Use the table on the inside of the fuel filler
flap to ensure that the tyre pressure is set
correctly in all four tyres for the current
operating conditions.
Also observe the notes in the section on
tyre pressures (Y page 229).
X Make sure that the key is in position 2in
the ignition lock.
The standard display appears in the multi-
function display (Y page 125).
X Press the jork button to select the
Tyre pressure function or wait until the
following message appears:
Tyre pressure displayed only after
driving for a few minutes X
Press the reset button on the left of the
instrument cluster (Y page 243).
The following message appears in the
multi-function display: Check current
tyre pressure?
X Press the æbutton.
The following message appears in the
multi-function display:
Tyre pressure monitor restarted
The tyre pressure monitor has stored the
pressure of the tyres as a new reference
value.
If you wish to cancel the restart:
X Press the çbutton. Interchanging the wheels
G
Risk of accident
Interchange the front and rear wheels only
if they have the same dimensions: for exam-
ple size, offset, etc.
After every wheel interchange/change,
have the tightening torque checked at a
qualified specialist workshop that has 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 pur-
pose. In particular, work relevant to safety
or on safety-related systems must be car-
ried out at a qualified specialist workshop.
The wheels could work loose if they are not
tightened to a torque of 130 Nm.
For safety reasons, Mercedes-Benz recom-
mends that you only use wheel bolts of the
correct size which have been approved for
Mercedes-Benz vehicles.
The wheels may be interchanged every
5,000 km to 10,000 km depending on the
degree of tyre wear, provided that the vehicle
has the same size front and rear tyres. Do not
reverse the direction of tyre rotation.
The wear patterns on the front and rear tyres
differ depending on the operating conditions.
Interchange the wheels before a clear wear
pattern has formed on the tyres. The front
tyres typically wear more on the shoulders
and the rear tyres in the centre.
Clean the contact surfaces of the wheel and
the brake disc thoroughly every time a wheel
is interchanged. Check the tyre pressure and,
if necessary, restart the tyre pressure loss
warning system or the tyre pressure moni-
tor*. Operation
* optional
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