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Display
messages 27
4 Display messages Possible cause/consequence Possible solution
= 4-button multi-function
steering wheel:
R.cent.malf.
-
Workshop-
12-button luxury multi-
function steering
wheel:
Rear centre mal-
function Consult
workshop The rear centre SRS (Supplemental
Restraint System) is faulty. The
=
warning lamp also lights up in the instru-
ment cluster. X
Visit a qualified specialist workshop. = Left windowbag
malfunction Con-
sult workshop
or
Right windowbag
malfunction Con-
sult workshop The left-hand or right-hand windowbag is
faulty. The
=warning lamp also light s
up in the instrument cluster. X
Visit a qualified specialist workshop. W 4-button multi-function
steering wheel:
Reserve fuel level
12-button luxury multi-
function steering
wheel:
Reserve fuel level The level of fuel has fallen below the
reserve range
. X
Refuel at the nearest filling station .Practical advice
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Troubleshooting
28
5 Problem Possible cause/consequence Suggested solutions
<
The red seat belt warning
lamp flashes and you hear
an intermittent warning
tone. G
Risk of injury
Either the driver's or the front
passenger's seat belt is not fas -
tened and you are driving faste r
than 25 km/h or have driven
faster than 25 km/h for a short
time. X
Fasten your seat belt (Y page 98).
The warning lamp goes out and the intermittent warning ton e
ceases . G
Risk of injury
There are objects on the front-
passenger seat and you are driv-
ing faster than 25 km/h or have
driven faster than 25 km/h for a
short time. X
Remove the objects from the front-passenger seat and stow them
in a secure place.
The warning lamp goes out and the intermittent warning tone
ceases . 4
The yellow reserve fuel
warning lamp lights up
while the engine is run-
ning. The level of fuel has fallen below
the reserve range. X
Refuel at the nearest filling station . Practical advice
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Troubleshooting
29
0 Engine
Problem Possible cause/consequence Suggested solutions
The engine will not start. You can
hear the starter motor operating. R
There may be a malfunction in
the engine electronics.
R There may be a malfunction in
the fuel supply. X
Turn the key back to position 0in the ignition lock before the nex t
starting attempt.
X Try to start the engine again (Y page 113). When doing so, remem-
ber that excessively long and frequent attempts to start the engin e
will drain the battery.
If the engine does not start after several attempts:
X Consult a qualified specialist workshop. Vehicles with a diesel engine:
The engine will not start. You can
hear the starter motor operating
.
The reserve fuel warning lamp is
on and the fuel gauge shows 0. The fuel tank has been run dry. X
Refuel the vehicle.
X Bleed the fuel system (Y page 289). The engine will not start. You can-
not hear the starter motor oper-
ating. The on-board voltage is too low
because the starter battery is too
weak or discharged. X
Jump-start the vehicle (Y page 328).
If the engine does not start despite attempting to jump-start it:
X Consult a qualified specialist workshop. Practical advice
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0
Page 363 of 377

Service products and capacities
360 Service products and capacities
Notes on service products and capaci-
ties
Service products are:
R Fuels (e.g. petrol, diesel)
R Lubricants (e.g. engine oil, transmission oil)
R Coolan t
R Brake fluid
R Windscreen washer fluid
Mercedes-Benz recommends that you only
use those products which have been tested
and specially approved by Mercedes-Benz for
your vehicle and are listed in the Mercedes-
Benz Owner's Manual in the relevant chapter
since:
R parts and service products are matched
R damage caused by the use of non-approved
service products is not covered by the lia-
bility for material defect s
You can recognise service products approved
by Mercedes-Benz by the following inscrip-
tion on the containers:
R MB-Freigabe (e.g. MB-Freigabe 229.51)
R MB Approval (e.g. MB Approval 229.51) Other designations or recommendations that
relate to a level of quality or a specification in
accordance with an MB Approval have not
necessarily been approved by Mercedes-
Benz.
You can obtain further information from any
Mercedes-Benz Service Centre. G
Risk of injury
When handling, storing and disposing of
any service products, please observe the
relevant regulations, as you could other-
wise endanger yourself and others.
Keep service products away from children.
To protect your health, do not allow service
products to come into contact with your
eyes or open wounds. See a doctor imme-
diately if any service product is swallowed. H
Environmental not
e
Dispose of service products in an environ-
mentally-responsible manner. Fuel
s G
Risk of explosion
Fuel is highly flammable. Fire, naked flames
and smoking are therefore prohibited when
handling fuels.
Switch off the engine before refuelling. G
Risk of injury
Do not allow fuel to come into contact with
skin or clothing .
Allowing fuels to come into direct contact
with your skin or inhaling fuel vapours is
damaging to your health.
Tank capacity Total capacity 66
l Of which reserve
fuel Approximately 8
l !
Do not use petrol to refuel vehicles with a
diesel engine. Do not use diesel to refuel
vehicles with a petrol engine. Never mix
diesel with petrol. Even small amounts of
the wrong fuel will damage the injection Technical data
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