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You can switch off the auxiliary heating by using the remote control or the auxiliary heat- ing button on the centre console. i Switch the auxiliary heating on regularly
once a month for about ten minutes.
Selecting the departure time or deactivat- ing a selected departure time You can call up the Aux. heating depar‐ ture time function directly. X Turn the key to position 1 or 2 in the ignition
lock.
X Press the button for the auxiliary heating on
the centre console (Y page 136).
or X Press the V or U button on the steer- ing wheel to select the Settings menu. X Press the & button to call up the selec-
tion of submenus. X Press the W or X button to select the Heater submenu. X Press the & button to select Aux. heating departure time. You will see the selected setting. X Press the W or X button to select one of the three departure times or Timer off (no timer active). If a switch-on time is selected, the yellow indicator lamp lights up on the auxiliary heating button.
X Press the &, V or U button to
select a different display.
Changing the departure time X Press the V or U button on the steer- ing wheel to select the Settings menu. X Press the & button to call up the selec-
tion of submenus. X Press the W or X button to select the Heater submenu. X Press the & button to select Aux. heating departure time. X Press the W or X button to select Time 1, Time 2 or Time 3 to be changed.
206 Menus and submenus
X Press the & button to select Depar‐ ture time X Set hour. X Press the W or X button to set the hour. X Press the & button to select Depar‐ ture time X Set minutes. X Press the W or X button to set the
minutes.
X Press the * button to select a different
display. After changing from one menu to another, the new time setting is stored. The yellow indicator lamp lights up on the button for the auxiliary heating on the centre console.
Convenience Activating/deactivating the EASY- ENTRY/EXIT feature G WARNING The steering wheel moves when the EASY- ENTRY/EXIT feature is active. There is a risk of occupants becoming trapped. Before acti- vating the EASY-ENTRY/EXIT feature, make sure that nobody can become trapped. Do not leave children unsupervised in the vehicle, even if they are secured in a child restraint system. The children could open the driver's door and thereby unintentionally acti- vate the EASY-ENTRY/EXIT feature and become trapped.
X Press the V or U button on the steer- ing wheel to select the Settings menu. X Press the & button to call up the selec-
tion of submenus. X Press the W or X button to select the Convenience submenu. X Press & to select the EASY-ENTRY system. X Press the a button to save the setting.
X Press the W or X button to activate or deactivate the EASY-ENTRY system. X Press the &, V or U button to
select a different display.
Further information on the EASY-ENTRY/EXIT feature (Y page 104). Switching the belt adjustment on/off X Press the V or U button on the steer- ing wheel to select the Settings menu. X Press the & button to call up the selec-
tion of submenus. X Press the W or X button to select the Convenience submenu. X Press the & button to select Belt adjustment. X Press the W or X button to activate or deactivate Belt adjustment. X Press the &, V or U button to
select a different display.
For further information on belt adjustment, see (Y page 49). Switching the fold-in mirrors when lock- ing function on/off This function is available only in vehicles with Memory function (Y page 108). When you activate the Fold in mirrors when locking function, the exterior mirrors are folded in when the vehicle is locked. When you switch on the ignition, the exterior mir- rors fold out again. If you have switched the function on and you fold the exterior mirrors in using the button on the door (Y page 106), they will not fold out automatically. The exterior mirrors can then only be folded out using the button on the door. X Press the V or U button on the steer- ing wheel to select the Settings menu. X Press the & button to call up the selec-
tion of submenus. X Press the W or X button to select the Convenience submenu.
Menus and submenus
207
X Press the & button to select Fold in mirrors when locking. X Press the W or X button to activate or deactivate the Fold in mirrors when locking feature. X Press the &, V or U button to
select a different display.
Additional functions menu Activating/deactivating the distance warning function This function is only available with DIS- TRONIC. X Press V or U on the steering wheel to select the Additional functions menu. X Press the & or * button to select the Distance warning function. X Press the W or X button to activate or deactivate the Distance warning sys- tem. When the distance warning function (Y page 65) is activated, the Ä symbol is shown in the lower multifunction display. X To select a different display, press &,
V or U.
Activating/deactivating Blind Spot Assist X Press V or U on the steering wheel to select the Additional functions menu. X Press the & or * button to select the Blind Spot Assist function. X Press the W or X button to switch Blind Spot Assist on or off. X To select a different display, press &,
V or U.
For further information about Blind Spot Assist, see (Y page 182).
Priming/deactivating tow-away protec- tion If you deactivate Tow-away protection, tow-away protection (Y page 67) will not be primed when you next lock the vehicle. X Press V or U on the steering wheel to select the Additional functions menu. X Press the & or * button to select the Tow-away protection function. X Press the W or X button to prime or deactivate Tow-away protection. X To select a different display, press &,
V or U.
Priming/deactivating the interior motion sensor If you deactivate Interior motion sensor, the interior motion sensor (Y page 68) will not be primed when you next lock the vehicle. X Press V or U on the steering wheel to select the Additional functions menu. X Press the & or * button to select the Interior motion sensor function. X Press the W or X button to prime or deactivate the Interior motion sensor. X To select a different display, press &,
V or U.
Trip computer menu Trip computer "From start" or "From reset"
Example: "From start" trip computer : Distance ; Time
208 Menus and submenus
= Average speed ? Average fuel consumption X Press the V or U button on the steer-
ing wheel to select the trip computer menu. X Press the & or * button to select From start or From reset. The values in the From start submenu are calculated from the start of a journey, whilst the values in the From reset submenu are calculated from the last time the submenu was reset (Y page 208). The From start trip computer is automati- cally reset when: Rthe ignition has been switched off for more
than four hours.
R999 hours have been exceeded. R9,999 kilometres have been exceeded. The From reset trip computer is automati- cally reset if the value exceeds 9,999 hours or 99,999 kilometres.
Resetting values X Press the V or U button on the steer-
ing wheel to select the trip computer menu.
X Press the & or * button to select the
function that you wish to reset.
X Press and hold the . reset button on the
instrument cluster until the values have reverted to "0".
Calling up the range X Press the V or U button on the steer-
ing wheel to select the trip computer menu. X Press the & or * button to select Range:. The multifunction display shows the esti- mated range of the vehicle, based on the current driving style and the fuel level. If there is only a small amount of fuel left in
the fuel tank, the display shows a vehicle being refuelled C instead of the range.
Displaying the current fuel consump- tion
X Press the V or U button on the steer-
ing wheel to select the trip computer menu. X Press the & or * button to select Consumption. The current fuel consumption is displayed.
Telephone menu Introduction G WARNING Observe the legal requirements of the country in which you are currently driving regarding the use of mobile phones in the vehicle. If it is permitted to use mobile phones while the vehicle is in motion, you should only use them when the road and traffic conditions allow. Otherwise, you may be distracted from the traffic conditions, cause an accident and injure yourself and others.
Functions and displays are dependent on the optional equipment installed in your vehicle. X Switch on the mobile phone and audio
equipment or COMAND APS; see the sep- arate operating instructions.
X Insert the mobile phone into the mobile phone bracket (see the separate installa-
tion instructions for the mobile phone fit- ting).
or X Establish a Bluetooth® connection to
COMAND APS; see the separate operating instructions.
X Press the V or U button on the steer- ing wheel to select the Telephone menu. You will see one of the following display mes- sages in the multifunction display: RPlease enter PIN: the mobile phone has been placed in the mobile phone bracket and the PIN has not yet been entered. When you enter your PIN via the mobile phone, LINGUATRONIC or COMAND APS, the mobile phone searches for a network. RReady or the name of the network provider: the mobile phone has found a network and is ready to receive. RNo Service: there is no network available or the mobile phone is searching for a net- work.
i You can obtain further information about
suitable mobile phones and connecting mobile phones via Bluetooth®: Rfrom any Mercedes Benz Service Centre Ron the Internet at: http://
www.mercedes-benz.com/connect
Accepting a call
Example: incoming call If someone calls you when you are in the Telephone menu, a display message appears in the multifunction display. X Press the 6 button on the steering
wheel to accept an incoming call.
Menus and submenus
209
If you are not in the Telephone menu, you can still accept a call.
Rejecting or ending a call X Press the ~ button on the steering
wheel.
If you are not in the Telephone menu, you can still accept a call.
Dialling a number from the phone book You can use the mobile phone to enter new telephone numbers into the phone book (see the separate operating instructions). If your mobile phone is able to receive calls, you can search for and dial a number from the phone book. X Press the V or U button on the steer- ing wheel to select the Telephone menu. X Press the & or * button to select the
desired name. To start scrolling rapidly, press and hold the & or * button for longer than one second.
X Press 6 to start dialling. or X To exit the telephone book: press ~.
Redialling The on-board computer saves the last names or numbers dialled in the redial memory. X Press the V or U button on the steer- ing wheel to select the Telephone menu.
X Press the 6 button to switch to the
redial memory.
X Press the & or * button to select the
desired name or number.
X Press 6 to start dialling. or X To exit the redial memory: press ~.
210 Display messages
Display messages Introduction General notes Display messages appear in the multifunction display. Display messages with graphic symbols are simplified in the Owner's Manual and may differ from the symbols in the multifunction display. Please respond in accordance with the display messages and follow the additional notes in this Owner's Manual. Certain display messages are accompanied by an audible warning tone or a continuous tone.
Hiding display messages X Press the V, U, & or * button on the steering wheel to select another display. or X Press the . reset button on the instrument cluster (Y page 30).
The display message is cleared.
The multifunction display shows high-priority display messages in red. Some high-priority dis- play messages cannot be hidden. The multifunction display shows these messages continuously until the causes for the mes- sages have been remedied.
Message memory The on-board computer saves certain display messages. You can call up the display messages in the message memory menu. The message memory menu is only shown if any display messages have been stored. X Press the V or U button repeatedly, until either the original menu or the message memory menu is shown. If there are display messages, the multifunction display shows, e.g. 2 messages. X Press the & or * button to scroll through the display messages. When the ignition is switched off, all display messages are deleted apart from some high- priority display messages. Once the causes of the high-priority display messages have been rectified, the corresponding display messages are also deleted.
Display messages
211
Safety systems Display messages !÷ unavailable See Owner's Manual
!÷ inoperative See Owner's Manual
Possible causes/consequences and M Solutions ABS (Anti-lock Braking System), ESP® (Electronic Stability Pro- gram), BAS (Brake Assist), PRE-SAFE®, hill start assist and ESP® trailer stabilisation are temporarily not available. The adaptive brake lights may also have failed. In addition, the ÷, å and ! warning lamps light up in the instrument cluster. Possible causes: RSelf-diagnosis is not yet complete. RThe on-board voltage may be insufficient. G WARNING The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you brake hard, for example. The steerability and braking characteristics may be severely affec- ted. The braking distance in an emergency braking situation can increase. If ESP® is not operational, ESP® is unable to stabilise the vehicle. The danger of skidding and having an accident increases. X Carefully drive on a suitable stretch of road, making slight steer-
ing movements, at a speed above 20 km/h. If the display message disappears, the functions mentioned above are available again.
If the display message continues to be displayed: X Drive on carefully. X Visit a qualified specialist workshop.
ABS, ESP®, BAS, PRE-SAFE®, hill start assist and ESP® trailer sta- bilisation are not available due to a malfunction. The adaptive brake lights may also have failed. In addition, the J, ÷, å and ! warning lamps light up in the instrument cluster. G WARNING The brake system continues to function normally, but without the functions listed above. The wheels could therefore lock if you brake hard, for example. The steerability and braking characteristics may be severely affec- ted. The braking distance in an emergency braking situation can increase.
212 Display messages
Display messages
÷ unavailable See Owner's Manual
Possible causes/consequences and M Solutions If ESP® is not operational, ESP® is unable to stabilise the vehicle. The danger of skidding and having an accident increases. X Drive on carefully. X Visit a qualified specialist workshop immediately.
ESP®, PRE-SAFE® and BAS, hill start assist and ESP® trailer sta- bilisation are temporarily not available. The adaptive brake lights may also have failed. In addition, the ÷ and å warning lamps light up in the instrument cluster. The self-diagnosis function may not be complete, for example. G WARNING The brake system continues to function normally, but without the functions listed above. The braking distance in an emergency braking situation can thus increase. If ESP® is not operational, ESP® is unable to stabilise the vehicle. The danger of skidding and having an accident increases. X Carefully drive on a suitable stretch of road, making slight steer-
ing movements, at a speed above 20 km/h. If the display message disappears, ESP® is available again. If the display message disappears, the functions mentioned above are available again.
If the display message continues to be displayed: X Drive on carefully. X Visit a qualified specialist workshop.
ESP®, PRE-SAFE® and BAS, hill start assist and ESP® trailer sta- bilisation are temporarily not available. In addition, the ÷ and å warning lamps light up in the instrument cluster. For example, the on-board voltage may be insufficient. The brake system continues to function normally, but without the functions listed above. X Drive on carefully. X Visit a qualified specialist workshop immediately.
Display messages
213
Display messages
÷ inoperative See Owner's Manual
T! ÷ inoperative See Owner's Manual
Possible causes/consequences and M Solutions If the display message is shown while the vehicle is in motion and the ÷ warning lamp flashes, the electronic traction system is deactivated. Otherwise, the brakes on the drive wheels could overheat. X Let the brakes cool down until the display message disappears
and the ÷ warning lamp goes out. The electronic traction system is active again.
ESP®, PRE-SAFE® and BAS, hill start assist and ESP® trailer sta- bilisation are not available due to a malfunction. The adaptive brake lights may also have failed. In addition, the ÷ and å warning lamps light up in the instrument cluster. G WARNING The brake system continues to function normally, but without the functions listed above. The braking distance in an emergency braking situation can thus increase. If ESP® is not operational, ESP® is unable to stabilise the vehicle. The danger of skidding and having an accident increases. X Drive on carefully. X Visit a qualified specialist workshop.
EBD (electronic brake force distribution), ABS, ESP®, BAS, PRE-SAFE®, hill start assist and ESP® trailer stabilisation are not available due to a malfunction. The adaptive brake lights may also have failed. In addition, the ÷, å and ! warning lamps light up in the instrument cluster and a warning tone sounds. G WARNING The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock if you brake hard, for example. The steerability and braking characteristics may be severely affec- ted. The braking distance in an emergency braking situation can increase. If ESP® is not operational, ESP® is unable to stabilise the vehicle. The danger of skidding and having an accident increases. X Drive on carefully. X Visit a qualified specialist workshop immediately.
214 Display messages
Display messages Release parking brake Check brake fluid level
Brake wear PRE-SAFE inopera‐ tive See Owner's Manual
Restraint sys. mal‐ function Consult workshop
Possible causes/consequences and M Solutions You are driving with the parking brake applied. A warning tone also sounds. X Release the parking brake.
There is insufficient brake fluid in the brake fluid reservoir. In addi- tion, the J warning lamp in the instrument cluster lights up and a warning tone sounds. G WARNING The braking efficiency may be impaired. There is a risk of an accident. X Pull over and stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do not continue driving under any circumstances.
X Secure the vehicle against rolling away (Y page 158). X Consult a qualified specialist workshop. X Do not top up the brake fluid. This does not correct the error.
The brake pads/linings have reached their wear limit. X Visit a qualified specialist workshop.
Important functions of PRE-SAFE® have failed. All other occupant safety systems, e.g. airbags, remain available. X Visit a qualified specialist workshop immediately.
There is a malfunction in the SRS (Supplemental Restraint Sys- tem). G WARNING The airbags or belt tensioners may either be triggered uninten- tionally or, in the event of an accident, may not be triggered. This poses an increased risk of injury. X Visit a qualified specialist workshop. Further information on occupant safety (Y page 41).
Lights i Display messages about LEDs:
This display message will only appear if all LEDs have failed.
Display messages Left-hand dipped beamorRight-hand dipped beam
Trailer Left-hand tail lamporTrailer Right-hand tail lamp Trailer Left-hand turn sig‐ nalorTrailer Right- hand turn signal Trailer brake lamp
Turn signal, rear leftorTurn signal, rear right
Turn signal, front leftorTurn signal, front right
Turn signal in mir‐ ror, leftorTurn signal in mirror, right
Display messages
215
Possible causes/consequences and M Solutions The left or right-hand dipped-beam headlamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The left or right-hand trailer tail lamp is faulty. X Check whether you are permitted to replace the bulb yourself. or X Visit a qualified specialist workshop.
The left or right-hand trailer turn signal lamp is faulty. X Check whether you are permitted to replace the bulb yourself. or X Visit a qualified specialist workshop.
The trailer brake lamp is faulty. X Check whether you are permitted to replace the bulb yourself. or X Visit a qualified specialist workshop. The rear left-hand or rear right-hand turn signal is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The front left-hand or front right-hand turn signal is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop. The turn signal in the left-hand or right-hand exterior mirror is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
216 Display messages
Display messages 3rd brake lamp
Left-hand brake lamporRight-hand brake lamp
Main beam, leftorMain beam, right
Licence plate lamp, leftorLicence plate lamp, right Front foglamp, leftorFront fog‐ lamp, right
Rear left-hand fog‐ lamporRear right- hand foglamp
Parking lamp, front leftorPark‐ ing lamp, front right
Possible causes/consequences and M Solutions The third brake lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The left or right-hand brake lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop. The left or right-hand high beam is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The left or right-hand licence plate lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The left-hand or right-hand front foglamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The left-hand or right-hand rear foglamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The front left or front right parking lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
Display messages Reversing lamp, leftorReversing lamp, right
Left-hand tail lamporRight-hand tail lamp
Left-hand daytime driving lamporRight-hand daytime driving lamp AUTO lights inoper‐ ative
Switch off lights
Display messages
217
Possible causes/consequences and M Solutions The left or right-hand reversing lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The left or right-hand tail lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The left-hand or right-hand daytime driving lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 116).
or X Visit a qualified specialist workshop.
The light sensor is faulty. X Switch off the daytime driving lights in the on-board computer
(Y page 202).
X Switch the lights on and off using the light switch. X Visit a qualified specialist workshop.
The lights are still switched on when you leave the vehicle. A warning tone also sounds. X Turn the light switch to $ or Ã. or X If the rear foglamp is switched on: press the light switch in to
the stop.
218 Display messages
Engine Display messages Top up coolant See Owner's Manual
Possible causes/consequences and M Solutions The coolant level is too low. ! Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X Top up the coolant, observing the warning notes before doing
so (Y page 281).
X If the coolant needs topping up more often than usual, have the engine coolant system checked at a qualified specialist work- shop.
? The fan motor is faulty.
X If the coolant temperature is below 120 †, you can continue
driving to the nearest qualified specialist workshop.
Coolant Stop car, turn engine off
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic.
The coolant is too hot. A warning tone also sounds. G WARNING Never drive with an overheated engine. Driving when your engine is overheated can cause some fluids which may have leaked into the engine compartment to catch fire. Steam from an overheated engine can cause serious burns which can occur just by opening the bonnet. There is a risk of injury. X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X Secure the vehicle against rolling away (Y page 158). X Leave the vehicle and keep a safe distance from the vehicle until
the engine has cooled down.
X Make sure that the air supply to the engine radiator is not
blocked, e.g. by frozen slush.
X Do not start the engine again until the display message goes out and the coolant temperature is under 120 †. The engine may otherwise be damaged.
X Pay attention to the coolant temperature display. X If the temperature increases again, visit a qualified specialist
workshop immediately.
The reading may rise up to 120 † under normal driving conditions if the coolant has been filled correctly.
Display messages
219
Display messages # The battery is not being charged.
Possible causes/consequences and M Solutions
A warning tone also sounds. Possible causes: Rfaulty alternator Rtorn poly-V-belt Ra malfunction in the electronics X Stop the vehicle immediately, paying attention to road and traf-
fic conditions, and switch off the engine.
X Open the bonnet. X Check whether the poly-V-belt is torn. If the poly-V-belt is torn: ! Do not continue driving. The engine could otherwise overheat. X Consult a qualified specialist workshop. If the poly-V-belt is OK: X Visit a qualified specialist workshop.
The battery is faulty. You will need to use considerably more force to brake. The brake pedal travel and braking distance will increase. If necessary, depress the brake pedal with maximum force. X Pull over and safely stop the vehicle safely as soon as possible, paying attention to road and traffic conditions. Do not continue driving under any circumstances.
X Apply the parking brake. X Consult a qualified specialist workshop. The engine oil level has dropped to the minimum level. A warning tone also sounds. X Check the oil level when next refuelling, at the latest
(Y page 280).
X If necessary, top up the engine oil (Y page 280). X Have the engine checked at a qualified specialist workshop if
the engine oil needs topping up more often than usual.
Battery/Alterna‐ tor Stop vehicle
Check engine oil level when next refuelling
Reserve fuel level
The fuel level has dropped into the reserve range. Operation of the auxiliary heating is deactivated when the fuel level drops into the reserve range. X Refuel at the nearest filling station.
220 Display messages
Display messages C There is only a very small amount of fuel in the fuel tank.
Possible causes/consequences and M Solutions
The auxiliary heating cannot be operated. X Refuel at the nearest filling station without fail. Vehicles with a diesel engine: the engine air filter is dirty and must be replaced. X Visit a qualified specialist workshop.
Vehicles with a diesel engine: there is water in the fuel filter. The water must be drained off. X Visit a qualified specialist workshop.
The AdBlue® level has fallen below the reserve range. A warning tone also sounds. X Have AdBlue® refilled as soon as possible at a qualified spe-
cialist workshop.
The AdBlue® level is only sufficient for the indicated distance. A warning tone also sounds. X Have AdBlue® refilled as soon as possible at a qualified spe-
cialist workshop.
The AdBlue® tank is empty. A warning tone also sounds. You can no longer start the engine. X Consult a qualified specialist workshop immediately.
The AdBlue® system is malfunctioning. A warning tone also sounds. X Visit a qualified specialist workshop.
The AdBlue® system is malfunctioning. A warning tone also sounds. X Visit a qualified specialist workshop immediately.
The AdBlue® system is malfunctioning. A warning tone also sounds. You can no longer start the engine. X Consult a qualified specialist workshop immediately.
¸ Replace air filter element · Clean fuel filter Refill AdBlue at workshop See Owner's Manual
Refill AdBlue at workshop No start in: XXXX km Refill AdBlue at workshop Engine start not possible Check AdBlue See Owner's Manual
AdBlue No start in: XXXX km AdBlue Engine start not possible
Driving systems Display messages ° Vehicle rising Wait briefly ° STOP car too low
° Level selection not permitted
° Compressor cooling down
Display messages
221
Possible causes/consequences and M Solutions The vehicle level is too low when the vehicle is stationary. X Do not pull away.
The vehicle level is set when the display message disappears.
You have pulled away while the vehicle level is still too low, or the rear axle level control or AIRMATIC is faulty. The rear axle level control or AIRMATIC sets the vehicle to the selected level after a short period. While the display message is displayed: AIRMATIC sets the vehicle to the selected level after a short period. While the display message is displayed: X Make only slight steering movements. Otherwise, the front wing or the tyre could be damaged if the steering movement is too large.
X Listen for scraping sounds. X Do not drive at speeds above 80 km/h. If the display message continues to be displayed: X Have the vehicle checked at a qualified specialist workshop.
You cannot change the vehicle level. Possible causes: Rvehicles with AIRMATIC: you are exceeding the speed permis-
sible for the selected vehicle level.
Ryou are towing a trailer. Rthe trailer-coupling socket is being used, e.g. for a bicycle rack. X Vehicles with AIRMATIC: drive more slowly and then select the
desired vehicle level again (Y page 174).
X Observe the notes on towing a trailer (Y page 184). You have selected a higher vehicle level. The compressor first needs to cool down because of frequent level changes. X Drive in a manner appropriate for the current vehicle level. X Make sure that there is sufficient ground clearance. X Allow the compressor to cool down.
When the compressor has cooled down, the display message disappears. The vehicle then continues rising to the selected level.
222 Display messages
Display messages ° Malfunction
Radar sensor deac‐ tivated autom. See Owner's Manual
Blind Spot Assist currently unavail‐ able See Owner's Manual
Possible causes/consequences and M Solutions Rear axle level control or AIRMATIC is malfunctioning. X Vehicles with rear axle level control: do not exceed 80 km/h. X Vehicles with AIRMATIC: drive as appropriate for the current
vehicle level, but do not exceed 80 km/h.
X Make sure that there is sufficient ground clearance. X Have the vehicle checked at a qualified specialist workshop. Vehicles with a navigation system: the vehicle is close to a radio telescope facility and is therefore prohibited from transmitting any radar signals. The radar sensor system has switched off automat- ically (Y page 349). If Active Blind Spot Assist was activated, it is no longer available. The yellow 9 indicator lamps also light up in the exterior mir- rors. X Drive on.
Once you have moved far enough away from the radio telescope, Blind Spot Assist is available again.
Blind Spot Assist is temporarily inoperative. You have established the electrical connection between the trailer and your vehicle. X Press a to confirm the display message. Blind Spot Assist is deactivated while towing a trailer.
Display messages
223
Display messages
Blind Spot Assist inoperative
Cruise control and SPEEDTRONIC inop‐ erative Limit --- km/h Cruise control - - - km/h
Possible causes/consequences and M Solutions Blind Spot Assist is temporarily inoperative. Possible causes: Rthe sensors are dirty. Rthe function is impaired due to heavy rain or snow. Rthe radar sensor system is outside the operating temperature
range.
Rthe radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta- tions or other sources of electromagnetic radiation.
The yellow 9 indicator lamps also light up in the exterior mir- rors. When the causes listed above no longer apply, the display mes- sage goes out. Blind Spot Assist is operational again. If you are driving without a trailer and the display message does not disappear: If the display message does not disappear: X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 158). X Clean the sensors (Y page 287). X Restart the engine. Blind Spot Assist is faulty. The yellow 9 indicator lamps also light up in the exterior mir- rors. X Visit a qualified specialist workshop. SPEEDTRONIC and cruise control are malfunctioning. A warning tone also sounds. X Visit a qualified specialist workshop.
While depressing the accelerator pedal beyond the pressure point (kickdown), SPEEDTRONIC cannot be activated.
A condition for activating cruise control has not been met. You have tried to store a speed below 30 km/h, for example. X If conditions permit, drive faster than 30 km/h and store the
speed.
X Check the activation conditions for cruise control
(Y page 163).
224 Display messages
Display messages 120 km/h! Maximum speed exceeded
DISTRONIC --- km/h DISTRONIC and SPEEDTRONIC Inoperative DISTRONIC Override DISTRONIC Inoperative DISTRONIC currently unavail‐ able See Owner's Manual
Possible causes/consequences and M Solutions Only for certain countries: the maximum speed has been excee- ded. In addition, the multifunction display shows 120 km/h!. X Drive more slowly. An activation condition for DISTRONIC is not fulfilled. X Check the activation conditions for DISTRONIC (Y page 167).
DISTRONIC and SPEEDTRONIC are faulty. X Visit a qualified specialist workshop.
DISTRONIC is no longer controlling the speed of the vehicle. X Remove your foot from the accelerator pedal. DISTRONIC is faulty or the display has failed. X Visit a qualified specialist workshop. DISTRONIC is deactivated and temporarily inoperative. Possible causes: Rthe DISTRONIC cover in the radiator trim is dirty. Rfunction is impaired due to heavy rain, snow or fog. Rthe radar sensor system is temporarily inoperative, e.g. due to
electromagnetic radiation emitted by nearby TV or radio sta- tions or other sources of electromagnetic radiation.
Rthe radar sensor system has not detected any vehicles or sta-
tionary objects, e.g. traffic signs, for a long time.
Rthe system is outside the operating temperature range. When the causes listed above no longer apply, the display mes- sage goes out. DISTRONIC is operational again. If the display message does not disappear: X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Secure the vehicle against rolling away (Y page 158). X Clean the DISTRONIC cover in the radiator trim (Y page 287). X Restart the engine.
Display messages
225
Tyres Display messages Tyre pressure Check tyres
Check tyres then restart Run Flat Indicator
Run Flat Indicator inoperative Tyre pressure dis‐ played only after driving for a few minutes Tyre pressure mon‐ itor inoperative
Possible causes/consequences and M Solutions The tyre pressure loss warning system has detected a significant loss in pressure. A warning tone also sounds. G WARNING With tyre pressures which are too low, there is a risk of the fol- lowing hazards: Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tyre traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident. X Stop the vehicle without making any sudden steering or braking manoeuvres. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 158). X If there is a flat tyre, inspect the tyres (Y page 295). X Check the tyre pressures and, if necessary, correct the tyre
pressure.
X Restart the tyre pressure loss warning system when the tyre
pressure is correct (Y page 317).
The tyre pressure loss warning system generated a display mes- sage and has not been restarted since. X Set the correct tyre pressure in all four tyres. X Restart the tyre pressure loss warning system (Y page 317). The tyre pressure loss warning system is faulty. X Visit a qualified specialist workshop. The tyre pressure monitor is measuring the tyre pressure. X Drive on.
The tyre pressures appear in the multifunction display after you have been driving for a few minutes.
The tyre pressure monitor is faulty. X Visit a qualified specialist workshop.
226 Display messages
Display messages Tyre press. moni‐ tor inoperative No wheel sensors
Check tyres
Possible causes/consequences and M Solutions The wheels fitted do not have a suitable tyre pressure sensor. The tyre pressure monitor is deactivated. X Fit wheels with suitable tyre pressure sensors.
The tyre pressure monitor is activated automatically after driv- ing for a few minutes.
The tyre pressure in one or more tyres has dropped significantly. The wheel position is displayed in the multifunction display. A warning tone also sounds. G WARNING With tyre pressures which are too low, there is a risk of the fol- lowing hazards: Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tyre traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired.
There is a risk of an accident. X Stop the vehicle without making any sudden steering or braking manoeuvres. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 158). X If there is a flat tyre, inspect the tyres (Y page 295). X Check the tyre pressure (Y page 318). X If necessary, correct the tyre pressure.
Display messages
227
Display messages Caution, tyre defect
Possible causes/consequences and M Solutions The tyre pressure in one or more tyres has dropped suddenly. The wheel position is displayed in the multifunction display. G WARNING If you drive with a flat tyre, there is a risk of the following hazards: RA flat tyre affects the ability to steer or brake the vehicle. RYou could lose control of the vehicle. RContinued driving with a flat tyre will cause excessive heat build-
up and possibly a fire.
There is a risk of an accident. X Stop the vehicle without making any sudden steering or braking manoeuvres. Pay attention to the traffic conditions as you do so.
Please correct tyre pressure
Tyre press. mon. Wheel sensor miss‐ ing
Tyre pressure mon‐ itor not currently available
X Secure the vehicle against rolling away (Y page 158). X If there is a flat tyre, inspect the tyres (Y page 295). The tyre pressure is too low in at least one of the tyres, or the tyre pressure difference between the wheels is too great. X Check the tyre pressures at the next opportunity
(Y page 318).
X If necessary, correct the tyre pressure. X Restart the tyre pressure monitor (Y page 319). There is no signal from the tyre pressure sensor of one or several wheels. The pressure of the affected tyre is not displayed in the multifunction display. X Have the faulty tyre pressure sensor replaced at a qualified spe-
cialist workshop.
Due to a source of radio interference, no signals can be received from the wheel sensors. The tyre pressure monitor is temporarily malfunctioning. X Drive on.
The tyre pressure monitor restarts automatically as soon as the cause has been rectified.
228 Display messages
Display messages Tyre pressure Cau‐ tion, tyre malf.
Tyre pressure Check tyre(s)
Possible causes/consequences and M Solutions The tyre pressure in one or more tyres has dropped suddenly. A warning tone also sounds. G WARNING If you drive with a flat tyre, there is a risk of the following hazards: RA flat tyre affects the ability to steer or brake the vehicle. RYou could lose control of the vehicle. RContinued driving with a flat tyre will cause excessive heat build-
up and possibly a fire. There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking manoeuvres. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 158). X If there is a flat tyre, inspect the tyres (Y page 295). The tyre pressure in one or more tyres has dropped significantly. G WARNING With tyre pressures which are too low, there is a risk of the fol- lowing hazards: Rthey may burst, especially as the load and vehicle speed
increase.
Rthey may wear excessively and/or unevenly, which may greatly
impair tyre traction.
Rthe driving characteristics, as well as steering and braking, may
be greatly impaired. There is a risk of an accident.
X Stop the vehicle without making any sudden steering or braking manoeuvres. Pay attention to the traffic conditions as you do so.
X Secure the vehicle against rolling away (Y page 158). X If there is a flat tyre, inspect the tyres (Y page 295). X Check the tyre pressure (Y page 318). X If necessary, correct the tyre pressure. The tyre pressure is too low in at least one of the tyres, or the tyre pressure difference between the wheels is too great. X Check the tyre pressures at the next opportunity
(Y page 318).
X If necessary, correct the tyre pressure.
Please correct tyre pressure
Vehicle Display messages To start the engine, shift to either P or N Auxiliary battery malfunction
Depress brake to shift out of posi‐ tion P Vehicle not in position P
Drive to workshop without changing gear
Select position P only when the vehi‐ cle is at a stand‐ still Compass unavailable Compass ---
Display messages
229
Possible causes/consequences and M Solutions You have attempted to start the engine with the transmission in position R or D. X Shift the transmission to position P or N.
The auxiliary battery for the automatic transmission is no longer being charged. X Visit a qualified specialist workshop at the next opportunity. X Until then, set the automatic transmission to position P before
you switch off the engine.
X Before leaving the vehicle, apply the parking brake. X Secure the vehicle against rolling away (Y page 158). You have attempted to move the transmission selector lever to position D, R or N without depressing the brake pedal. X Depress the brake pedal. The driver's door is open and the transmission is in position R, N or D. X Shift the transmission to position P. X Secure the vehicle against rolling away (Y page 158). You cannot change the transmission position due to a malfunction.
