Display messages
Possible causes/consequences and
X
X Solutions h Tyre pres‐
sure Cau‐
tion,
tyre malf.
G
Risk of accident
Vehicles with the tyre pressure monitor*: the pressure is
dropping rapidly in one or more of the tyres. A warning tone
also sounds.
X Stop the vehicle without making any sudden steering or
braking manoeuvres. Pay attention to traffic conditions as
you do so.
X Repair the faulty tyre or replace the wheel ( Ypage 309). h Tyre pres‐
sure
Check
tyre(s)
G
Risk of accident
Vehicles with tyre pressure monitor*: the tyre pressure has
dropped significantly in one or more of the tyres. A warning
tone also sounds.
X Stop the vehicle without making any sudden steering or
braking manoeuvres. Pay attention to traffic conditions as
you do so.
X Correct the tyre pressure (Y page 225).
X If necessary, repair any defective tyres or change the wheel
(Y page 309). & inopera‐
tive Bat‐
tery low The on-board voltage is too low. The auxiliary heating/venti-
lation* has switched off or cannot be switched on.
X
Drive for a longer distance.
The battery is being charged. The auxiliary heating/venti-
lation *can be reactivated as soon as there is sufficient on-
board voltage. & inopera‐
tive
Refuel
vehicle The fuel level in the fuel tank is too low. The auxiliary heat-
ing* cannot be switched on.
X
Refuel at the nearest filling station. & inopera‐
tive See
Owner's
Man.
The auxiliary heating
*is temporarily malfunctioning or is
defective.
X When the vehicle is on a level surface and the engine has
cooled down, make up to four attempts to switch on the
auxiliary heating*, waiting several minutes between each
attempt.
X If the auxiliary heating* does not switch on, visit a qualified
specialist workshop. 276
Display messagesPractical advice
* optional
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Display messages
Possible causes/consequences and
X
X Solutions 6 Rear
centre
malfunc‐
tion Con‐
sult work‐
shop
G
Risk of injury
SRS has malfunctioned at the rear centre*. The 6warning
lamp also lights up in the instrument cluster.
X Visit a qualified specialist workshop. 6 Left
windowbag
malfunc‐
tion Con‐
sult work‐
shop
or
Right
windowbag
malfunc‐
tion Con‐
sult work‐
shop
G
Risk of injury
There is a malfunction in the left-hand or right-hand window-
bag. The 6warning lamp also lights up in the instrument
cluster.
X Visit a qualified specialist workshop. C There is only a small amount of fuel in the fuel tank.
X
Refuel at the nearest filling station. 8 Reserve
fuel level The fuel level has fallen below the reserve range. The opera-
tion of the auxiliary heating* can no longer be guaranteed.
X
Refuel at the nearest filling station. ¥ Top up
washer
fluid The washer fluid level in the washer fluid reservoir has drop-
ped below the minimum.
X
Top up the windscreen washer fluid (Y page 222).Troubleshooting
Points to remember
G
Risk of accident and injury
The operating safety of the vehicle can be compromised if maintenance work is carried out
incorrectly. This could cause you to lose control of the vehicle and cause an accident. The safety
systems may also not be able to protect you or others as they are designed to do.
Always have maintenance work carried out at a qualified specialist workshop. The qualified spe-
cialist workshop 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. In particular, work relevant to safety or on safety-related systems must be carried out
at a qualified specialist workshop. 278
TroubleshootingPractical advice
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Problem
Possible causes/consequences and
X
X Solutions 7
The red seat belt
warning lamp
flashes and an
intermittent
audible warning
sounds. G
Risk of injury
The driver or front passenger has not fastened their seat belt. At
the same time, you are driving faster than 25 km/ho r have briefly
driven faster than 25 km/h.
X Fasten your seat belt (Y page 89).
The warning lamp goes out and the intermittent audible warning
ceases. G
Risk of injury
There are objects on the front-passenger seat. At the same time,
you are driving faster than 25 km/h or have briefly driven faster
than 25 km/h.
X Remove the objects from the front-passenger seat and stow
them safely.
The warning lamp goes out and the intermittent audible warning
ceases. 8
The yellow
reserve fuel
warning lamp
lights up while
the engine is
running. The fuel level has fallen below the reserve range. The operation of
the auxiliary heating* can no longer be guaranteed.
X
Refuel at the nearest filling station. Warning tones
Problem
Possible causes/consequences and
X
X Solutions The anti-theft warning
alarm* is triggered. You have opened the vehicle with the anti-theft alarm system still
activated*.
X Switch off the alarm (Y page 65). You hear a warning
tone. A message appears in the multi-function display.
X
See the explanations for the display message (Y page 251). You are driving with the parking brake applied.
X
Release the parking brake. The lights are still switched on when you leave the vehicle.
X
Turn the light switch to c. Troubleshooting
287Practical advice
* optional
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Auxiliary heating*
Display messages
Possible causes/consequences and
X
X Solutions FAIL The starter battery is not charged sufficiently or the system
is faulty.
X
Charge the starter battery.
X Make another attempt to switch on the auxiliary heating
using the remote control.
X Have the auxiliary heating checked at a qualified specialist
workshop. $ FAIL The signal transmission between the transmitter and the vehi-
cle is faulty.
X
Change your position in relation to the vehicle, moving
closer if necessary.
X Make another attempt to switch the auxiliary heating on or
off using the remote control. © FAIL There is not enough fuel in the fuel tank, or the auxiliary heat-
ing is faulty.
X
Refuel at the nearest filling station.
X Make another attempt to switch on the auxiliary heating
using the remote control.
X Have the auxiliary heating checked at a qualified specialist
workshop. Parking up the vehicle
Problem
Possible causes/consequences and
X XSolutions The vehicle is to be left
parked up for longer
than four weeks. The battery can be damaged through exhaustive discharge.
X
Disconnect the battery (Y page 321) or connect to a trickle
charger.
i Have the battery checked at a qualified specialist workshop,
e.g. a Mercedes-Benz Service Centre. The vehicle is to be left
parked up for longer
than six weeks. Damage resulting from non-use may occur if the vehicle is parked
up for long periods.
X
Visit a qualified specialist workshop and seek advice. 298
TroubleshootingPractical advice
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Key
Checking the battery X
Press the &or% button.
The battery is working properly if the bat-
tery charge indicator lamp lights up briefly.
Removing/installing the battery You require a CR 2025 3 V cell battery.
X Remove the emergency key element from
the key (Y page 299). X
Press the emergency key element into the
opening in the key in the direction of
arrow ;until cover :of the battery tray
opens. Be sure that your fingers are not
stopping the cover from opening. X
Remove the cover of the battery tray.
X Repeatedly tap the key against your palm
until battery =falls out of the key.
X Insert the new battery with the positive
pole facing upwards. Use a lint-free cloth to
do so. X
Insert the front tabs of the battery tray's
cover first and then press to close it.
X Check the function of all key buttons on the
vehicle. Auxiliary heating* remote control
One 6 V pin battery, type 2CR11108 is
required. X
Prise apart the side arms of battery
cover ;and pull off battery cover ;.
X Remove old battery :.
X Insert the new battery. Observe the polarity
signs on the back of the remote control
when doing so.
X Slide battery cover ;back onto the
remote control.
X Use the remote control to check the vehi-
cle's auxiliary heating functions. Changing bulbs
Notes on changing bulbs
i If you need assistance in changing the
bulbs, contact a qualified specialist work-
shop which 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 purpose. In particular, work
relevant to safety or on safety-related sys-
tems must be carried out at a qualified spe-
cialist workshop. 304
Changing bulbsPractical advice
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as MB 229.5) 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 otherwise 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 immediately if
any service product is swallowed. H
Environmental note
Dispose of service products in an environ-
mentally-responsible manner. Fuel
G
Risk of explosion
Fuel is highly flammable. Fire, naked flames
and smoking are therefore prohibited when
handling fuels.
Before refuelling, turn off the engine and the
auxiliary heating *. 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
E 200 CGI BlueEFFICIENCY
E 250 CGI BlueEFFICIENCY
E 200 CDI BlueEFFICIENCY
E 220 CDI BlueEFFICIENCY
E 220 CDI BlueEFFICIENCY
(Belgium)
E 250 CDI BlueEFFICIENCY 59 l
E 63 AMG 66 l
Total capacity
All other models 80 l
Reserve fuel in
E 200 CGI BlueEFFICIENCY
E 250 CGI BlueEFFICIENCY
E 200 CDI BlueEFFICIENCY
E 220 CDI BlueEFFICIENCY
E 220 CDI BlueEFFICIENCY
(Belgium)
E 250 CDI BlueEFFICIENCY Approx-
imately 8 l Reserve fuel in all other
models Approx-
imately 9 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 result in damage to the
injection system. Damage resulting from
adding the wrong fuel is not covered by the
implied warranty.
Further information on refuelling and on
fuels (Y page 216)
Notes on fuel consumption The vehicle will use more fuel than usual in
the following situations:334
Service products and capacitiesTechnical data
* optional
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