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; RACETIMER You can start the RACETIMER when the engine is running or if the key is in position 2 in the ignition lock. X Press the = or ; button on the steer- ing wheel to select the AMG menu. X Press the 9 button repeatedly until the
RACETIMER is shown.
X To start: press the a button to start the
RACETIMER.
Displaying the intermediate time
226 Menus and submenus
AMG menu in AMG vehicles AMG displays
: Digital speedometer ; Gear indicator = Upshift indicator ? Engine oil temperature A Coolant temperature B Transmission fluid temperature X Press the = or ; button on the steer- ing wheel to select the AMG menu. Upshift indicator UP= indicates that the engine has reached the overrevving range when in the manual gearshift program. Upshift indicator UP= fades out other mes- sages until you have shifted up. If the engine oil temperature is below 80 †, oil temperature ? is shown in blue. Avoid using the full output of the engine during this time. If the transmission fluid temperature is below 50 †, oil temperature B is shown in blue. Avoid using the full output of the engine dur- ing this time.
SETUP
: Drive program (C/S/M) ; ESP® mode (ON/OFF) or SPORT handling
mode (SPORT)
Menus and submenus
227
Deleting all laps
X Press the = or ; button to select Interm. Time. X Press a to confirm.
The intermediate time is displayed for five seconds.
Starting a new lap
If you switch off the engine, the RACETIMER is reset to "0" after 30 seconds. All laps are deleted. You cannot delete individual stored laps. If you have stopped 16 laps, the current lap does not have to be reset. X Reset the current lap. X Press a to confirm Reset. Reset Race-Timer? appears in the multi- function display. X Press the : button to select Yes and press the a button to confirm. All laps are deleted.
Overall evaluation
: RACETIMER ; Fastest lap time (best lap) = Lap X Press a to confirm New Lap. i A maximum of 16 laps may be stored. The 16th lap can only be completed with Fin‐ ish Lap. Stopping the RACETIMER
X Press the % button on the steering wheel. X Confirm Yes with a. The RACETIMER interrupts timing if you stop the vehicle and turn the key to position 1 in the ignition lock. If you turn the key to position 2 or 3 and then press a to confirm Start, timing is continued. Resetting the current lap X Stop the RACETIMER. X Press the = or ; button to select Reset Lap. X Press a to reset the lap time to "0".
: RACETIMER overall evaluation ; Total time driven = Average speed ? Distance covered A Maximum speed This function is shown if you have stored at least one lap and stopped the RACETIMER. X Press the = or ; button on the steer- ing wheel to select the AMG menu. X Press the 9 button repeatedly until the
overall evaluation is shown.
228 Menus and submenus
Lap evaluation
: Lap ; Lap time = Average lap speed ? Lap length A Top speed during lap This function is only available if you have stored at least two laps and have stopped the RACETIMER. X Press the = or ; button on the steer- ing wheel to select the AMG menu. X Press the 9 button repeatedly until the
lap evaluation is shown. Each lap is shown in a separate submenu. The fastest lap is indicated by flashing sym- bol :.
X Press the 9 or : button to select a
different lap evaluation.
Display messages
229
Display messages 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. 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. When you stop and park the vehicle, please observe the notes on the HOLD function (Y page 179) and parking (Y page 162).
Hiding display messages X Press the a or % button on the steering wheel to hide the display message.
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 in the message memory. You can call up the display messages: X Press = or ; on the steering wheel to select the Service menu. If there are display messages, the multifunction display shows, for example, 2 messages. X Press the 9 or : button to select the entry, e.g. 2 messages. X Press a to confirm. X Press the 9 or : button to scroll through the display messages.
230 Display messages
Safety systems Display messages !÷ currently unavail‐ able 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®, the HOLD function, hill start assist and ESP® trailer stabilisation are temporarily unavail- able. The adaptive brake lights and COLLISION PREVENTION ASSIST may also have failed. In addition, the ÷, å and ! warning lamps light up in the instrument cluster. ATTENTION ASSIST is deactivated. 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 may increase in an emergency braking situation. If ESP® is not operational, ESP® is unable to stabilise the vehicle. There is an increased danger of skidding and risk of an accident. 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®, the HOLD function, hill start assist and ESP® trailer stabilisation are unavailable due to a malfunction. The adaptive brake lights and COLLISION PREVENTION ASSIST may also have failed. In addition, the J, ÷, å and ! warning lamps light up in the instrument cluster. ATTENTION ASSIST is deactivated. G WARNING
Display messages
231
Display messages
÷ currently unavail‐ able See Owner's Manual
Possible causes/consequences and M Solutions 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 may increase in an emergency braking situation. If ESP® is not operational, ESP® is unable to stabilise the vehicle. There is an increased danger of skidding and risk of an accident. X Drive on carefully. X Visit a qualified specialist workshop immediately.
ESP®, BAS, PRE-SAFE®, the HOLD function, hill start assist and ESP® trailer stabilisation are temporarily unavailable. The adaptive brake lights and COLLISION PREVENTION ASSIST may also have failed. In addition, the ÷ and å warning lamps light up in the instrument cluster. ATTENTION ASSIST is deactivated. The self-diagnosis function, for example, may not be complete. G WARNING The brake system continues to function normally, but without the functions listed above. The braking distance may thus increase in an emergency braking situation. If ESP® is not operational, ESP® is unable to stabilise the vehicle. There is an increased danger of skidding and risk of an accident. 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.
232 Display messages
Display messages ÷ inoperative See Owner's Manual
T! ÷ inoperative See Owner's Manual
Possible causes/consequences and M Solutions ESP®, BAS, PRE-SAFE®, the HOLD function, hill start assist and ESP® trailer stabilisation are not available due to a malfunction. The adaptive brake lights and COLLISION PREVENTION ASSIST may also have failed. In addition, the ÷ and å warning lamps light up in the instrument cluster. ATTENTION ASSIST is deactivated. G WARNING The brake system continues to function normally, but without the functions listed above. The braking distance may thus increase in an emergency braking situation. If ESP® is not operational, ESP® is unable to stabilise the vehicle. There is an increased danger of skidding and risk of an accident. X Drive on carefully. X Visit a qualified specialist workshop.
EBD (electronic brake force distribution), ABS, ESP®, BAS, PRE- SAFE®, the HOLD function, hill start assist and ESP® trailer stabi- lisation are unavailable due to a malfunction. The adaptive brake lights and COLLISION PREVENTION ASSIST may also have failed. In addition, the ÷, å and ! warning lamps light up in the instrument cluster and a warning tone sounds. ATTENTION ASSIST is deactivated. G WARNING The brake system continues to function normally, but without the functions listed above. The front and rear wheels could therefore lock, for example, if you brake hard. The steerability and braking characteristics may be severely affec- ted. The braking distance may increase in an emergency braking situation. If ESP® is not operational, ESP® is unable to stabilise the vehicle. There is an increased danger of skidding and risk of an accident. X Drive on carefully. X Visit a qualified specialist workshop immediately.
Display messages
233
Display messages Release parking brake
Parking brake See Owner's Manual
Possible causes/consequences and M Solutions The red ! indicator lamp flashes and a warning tone sounds. A condition for automatic release of the electric parking brake is not fulfilled (Y page 163). You are driving with the electric parking brake applied. X Release the electric parking brake manually.
The red ! indicator lamp flashes and a warning tone sounds. You are making an emergency stop using the electric parking brake (Y page 163). The yellow ! warning lamp lights up. The electric parking brake is malfunctioning. To apply: X Switch the ignition off. X Press the electric parking brake handle for at least ten seconds. X Vehicles with manual transmission: engage first gear. X Vehicles with automatic transmission: shift the transmission
to P.
X Consult a qualified specialist workshop. The yellow ! warning lamp and the red ! indicator lamp are lit. The electric parking brake is malfunctioning. To release: X Switch off the ignition and turn it back on. X Release the electric parking brake manually. or X Vehicles with manual transmission (automatic emergency release): insert the seat belt in the belt buckle and accelerate slightly more when pulling away.
X Vehicles with automatic transmission: release the electric
parking brake automatically (Y page 163).
If the electric parking brake still cannot be released: X Do not drive on. X Consult a qualified specialist workshop.
234 Display messages
Display messages
Possible causes/consequences and M Solutions The red ! indicator lamp flashes and the yellow ! warning lamp is lit. The electric parking brake is malfunctioning. To release: X Switch off the ignition and turn it back on. X Release the electric parking brake manually. To apply: X Switch off the ignition and turn it back on. X Apply the electric parking brake manually. If the red ! indicator lamp continues to flash: X Do not drive on. X Secure the vehicle against rolling away (Y page 325). X Vehicles with manual transmission: engage first gear. X Vehicles with automatic transmission: shift the transmission
to P.
X Turn the front wheels towards the kerb. X Consult a qualified specialist workshop. The yellow ! warning lamp lights up. The red ! indicator lamp flashes for about ten seconds after the electric parking brake has been applied or released. It then goes out or remains lit. The electric parking brake is malfunctioning. X Switch off the ignition and turn it back on. X Apply the electric parking brake. If it is not possible to apply the electric parking brake: X Vehicles with manual transmission: engage first gear. X Vehicles with automatic transmission: shift the transmission
to P.
X Visit a qualified specialist workshop. If it is not possible to release the electric parking brake: X Vehicles with manual transmission (automatic emergency release): insert the seat belt in the belt buckle and accelerate slightly more when pulling away.
X Vehicles with automatic transmission: release the electric
parking brake automatically (Y page 163).
If the electric parking brake still cannot be released: X Consult a qualified specialist workshop.
Display messages
235
Display messages
Parking brake inop‐ erative
Turn on the igni‐ tion to release the parking brake
Possible causes/consequences and M Solutions The yellow ! warning lamp lights up. If you manually apply or release the electric parking brake, the red ! indicator lamp flashes. The electric parking brake is malfunctioning. It is not possible to apply the electric parking brake manually. X Vehicles with manual transmission: engage first gear. X Vehicles with automatic transmission: shift the transmission
to P.
X Visit a qualified specialist workshop. The yellow ! warning lamp lights up. The red ! indicator lamp flashes for about ten seconds after the electric parking brake has been applied or released. It then goes out or remains lit. The electric parking brake is malfunctioning, e.g. because of over- voltage or undervoltage. X Rectify the cause of the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X Apply or release the electric parking brake. If it remains impossible to apply or release the electric parking brake: X Switch off the ignition and turn it back on. X Apply or release the electric parking brake. If the electric parking brake still cannot be released: X Consult a qualified specialist workshop. The display message is only shown while the vehicle is in motion. The red ! indicator lamp flashes and the yellow ! warning lamp is lit. It is not possible to apply the electric parking brake manually. X Vehicles with manual transmission: engage first gear. X Vehicles with automatic transmission: shift the transmission
to P.
X Visit a qualified specialist workshop. The red ! indicator lamp lights up. You attempted to release the electric parking brake while the igni- tion was switched off. X Turn the key to position 1 in the ignition lock.
236 Display messages
Display messages Brake immediately
Check brake fluid level
Check brake pad wear PRE-SAFE inoperative See Owner's Manual
Possible causes/consequences and M Solutions Vehicles with manual transmission: a malfunction has occurred while the HOLD function was activated. A tone may also sound at regular intervals. If you attempt to lock the vehicle, the tone becomes louder. You cannot start the engine. X Paying attention to the traffic situation, immediately depress the
brake pedal firmly and hold until the display message disap- pears.
X Secure the vehicle against rolling away (Y page 162).
You can restart the engine.
There is insufficient brake fluid in the brake fluid reservoir. In addition, the red J warning lamp lights up in the instrument cluster 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 162). X Consult a qualified specialist workshop. X Do not top up the brake fluid. This does not correct the fault.
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.
Display messages
237
Display messages PRE-SAFE Functions cur‐ rently limited See Owner's Manual
Possible causes/consequences and M Solutions Adaptive Brake Assist is temporarily inoperative. Possible causes: Rthe radar sensor cover in the radiator trim is dirty. Rthe function is impaired due to heavy rain or snow. 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.
RAMG vehicles: ESP® is deactivated. Rthe system is outside the operating temperature range. Rthe on-board voltage is too low. Once the causes listed above no longer apply, the display message goes out. Adaptive Brake Assist 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 162). X Clean the radar sensor cover in the radiator grille
(Y page 294).
X Restart the engine. X AMG vehicles: reactivate ESP®(Y page 66).
PRE-SAFE Functions limited See Owner's Manual ü If the symbol appears in the multifunction display, a seat belt
Adaptive Brake Assist is faulty. The distance warning signal may also have failed. X Visit a qualified specialist workshop.
tongue has been inserted into a rear seat belt buckle. Further information on the status indicator for the rear seat belts (Y page 49).
ý If the symbol appears in the multifunction display, a seat belt
tongue has not been inserted in a rear seat belt buckle. G WARNING A seat belt which is not worn correctly, or which has not been engaged in the seat belt buckle correctly, cannot provide the intended level of protection. This poses an increased risk of injury. X If necessary, ask the occupants in the rear to fasten their seat
belts (Y page 47).
Further information on the status indicator for the rear seat belts (Y page 49).
238 Display messages
Display messages Restraint sys. mal‐ function Consult workshop
Front left malfunc‐ tion Consult work‐ shop or Front right malfunction Consult workshop
Rear left malfunc‐ tion Consult work‐ shop or Rear right malfunction Con‐ sult workshop
Possible causes/consequences and M Solutions There is a malfunction in the SRS (Supplemental Restraint Sys- tem). The 6 warning lamp also lights up in the instrument clus- ter. 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 40). SRS has malfunctioned at the front on the left or right. The 6
warning lamp also lights up in the instrument cluster. 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. SRS has malfunctioned at the rear on the left or right. The 6
warning lamp also lights up in the instrument cluster. 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.Display messages
239
Display messages Rear centre mal‐ function Consult workshop
Left windowbag mal‐ function Consult workshop or Right windowbag malfunc‐ tion Consult work‐ shop
Possible causes/consequences and M Solutions SRS has malfunctioned at the rear centre. The 6 warning lamp also lights up in the instrument cluster. 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. There is a malfunction in the left-hand and/or right-hand window- bag. The 6 warning lamp also lights up in the instrument clus- ter. G WARNING The left or right windowbag may either be triggered unintentionally or, in the event of an accident, may not be triggered. This poses an increased risk of injury. X Visit a qualified specialist workshop.
Lights i Display messages about LEDs:
This display message will only appear if all the LEDs have failed. Display messages Left cornering light or Right cor‐ nering light
Possible causes/consequences and M Solutions The left or right-hand cornering light is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 112).
or X Visit a qualified specialist workshop.
Left dipped beam or Right dipped beam
The left or right-hand dipped-beam headlamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 112).
or X Visit a qualified specialist workshop.
Trailer left tail lamporTrailer right tail lamp
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.
240 Display messages
Display messages Trailer left indi‐ cator or Trailer right indicator Trailer brake lamp
Rear left indica‐ tor or Rear right indicator
Front left indica‐ tor or Front right indicator
Left mirror indica‐ tor or Right mir‐ ror indicator
Third brake lamp
Left brake lamp or Right brake lamp
Possible causes/consequences and M Solutions 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 112).
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 112).
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 112).
or X Visit a qualified specialist workshop. The third brake lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 112).
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 112).
or X Visit a qualified specialist workshop.
Display messages Left-hand tail lamp/brake lamp or Right-hand tail lamp/brake lamp Left main beam or Right main beam
Number plate lamp
Front foglamp left or Front foglamp right
Rear fog lamp
Front left parking lamp or Front right parking lamp
Reversing light
Display messages
241
Possible causes/consequences and M Solutions The left or right-hand tail lamp/brake lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 112).
or X Visit a qualified specialist workshop.
The left or right-hand main-beam headlamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 112).
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 112).
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 112).
or X Visit a qualified specialist workshop.
The rear foglamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 112).
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 112).
or X Visit a qualified specialist workshop.
The reversing lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 112).
or X Visit a qualified specialist workshop.
242 Display messages
Display messages Left tail lamp or Right tail lamp
Left daytime driv‐ ing lamp or Right daytime driving lamp Intell. Light Sys‐ tem inoperative Malfunction See Owner's Manual
AUTO lights inoper‐ ative Switch off lights
Possible causes/consequences and M Solutions The left or right-hand tail lamp is faulty. X Check whether you are permitted to replace the bulb yourself
(Y page 112).
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 112).
or X Visit a qualified specialist workshop.
The Intelligent Light System is faulty. The lights remain available without the Intelligent Light System. X Visit a qualified specialist workshop.
The exterior lighting is faulty. X Visit a qualified specialist workshop. Vehicles with trailer tow hitch: a fuse may have blown. X Check the fuses (Y page 314). X If necessary, replace the blown fuse. Observe the warning notes
as you do so.
If the display message continues to be displayed: X Visit a qualified specialist workshop. The light sensor is faulty. 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 Ã.
Display messages
243
Display messages Adaptive Main-beam Assist inoperative Adaptive Main-beam Assist currently unavailable See Owner's Manual
Possible causes/consequences and M Solutions Adaptive Highbeam Assist is faulty. X Visit a qualified specialist workshop.
Adaptive Highbeam Assist is deactivated and temporarily inoper- ative. Possible causes: Rthe windscreen is dirty in the camera's field of vision. Rvisibility is impaired due to heavy rain, snow or fog. X Clean the windscreen. If the system detects that the camera is fully operational again, the Adaptive Main-beam Assist available again message is displayed. Adaptive Highbeam Assist is operational again.
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 288).
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.
X Avoid heavy loads on the engine as you do so, e.g. driving in
mountainous terrain and stop-start traffic.
244 Display messages
Display messages Coolant Stop vehi‐ cle Switch engine off
Possible causes/consequences and M Solutions 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 162). X Wait 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 below 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.
Under normal operating conditions and with the specified coolant level, the coolant temperature may rise to 120 †.
# The battery is not being charged.
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 immediately.
Display messages
245
Display messages Check eng. oil lev. when next refuelling
Possible causes/consequences and M Solutions 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 286).
X If necessary, top up the engine oil (Y page 287). X Have the engine checked at a qualified specialist workshop if
the engine oil needs topping up more often than usual.
æ Reserve fuel level
The fuel level has dropped into the reserve range. The auxiliary heating cannot be operated. X Refuel at the nearest filling station. ç There is very little fuel in the fuel tank.
¸ Replace air cleaner
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. i This message does not appear for the 180 CDI BlueEFFI-
CIENCY, manual transmission model A.
Clean the fuel fil‐ ter
Vehicles with a diesel engine: there is water in the fuel filter. The water must be drained off. X Visit a qualified specialist workshop.
Driving systems Display messages À Attention Assist: Drowsiness detec‐ ted
À Attention Assist inoperative
Possible causes/consequences and M Solutions Based on certain criteria, ATTENTION ASSIST has detected fatigue or a lack of concentration on the part of the driver. A warning tone also sounds. X If necessary, take a break. During long journeys, take regular breaks in good time so that you get enough rest.
ATTENTION ASSIST is inoperative. X Visit a qualified specialist workshop.
246 Display messages
Display messages Speed Limit Assist Currently unavail‐ able See Owner's Manual
Speed Limit Assist: Unavailable in this country
Speed Limit Assist inoperative
ë Off
Radar sensor deac‐ tivated See Own‐ er's Manual
Radar sensor deac‐ tivated autom. See Owner's Manual
Possible causes/consequences and M Solutions Speed Limit Assist is deactivated and temporarily inoperative. Possible causes: Rthe windscreen is dirty in the camera's field of vision. Rvisibility is impaired due to heavy rain, snow or fog. X Clean the windscreen. If the system detects that the camera is fully operational, the dis- play message disappears. Speed Limit Assist is operational again.
Speed Limit Assist is only available in certain countries. X Drive on.
Speed Limit Assist is available again as soon as you drive into a country in which its use is approved.
Speed Limit Assist is faulty. X Visit a qualified specialist workshop. The HOLD function is deactivated. the vehicle is skidding. A warning tone also sounds. X Reactivate the HOLD function later (Y page 179).
The HOLD function is deactivated. When the brake pedal is firmly depressed, an activation condition is not fulfilled. A warning tone also sounds. X Check the activation conditions for the HOLD function
(Y page 179).
The radar sensor system is deactivated. X Check whether or not the radar sensor system may be activated
(Y page 350).
X Switch on the radar sensor system (Y page 223).
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 is deactivated automati- cally. If Blind Spot Assist was activated, it is no longer available. The yellow 9 indicator lamps also light up in the exterior mirrors. X Drive on.
Blind Spot Assist is available again as soon as the vehicle is far enough away from the radio telescope facility (Y page 350).
Display messages
247
Display messages
Lane Keeping Assist currently unavailable See Owner's Manual
Lane Keeping Assist inoperative Blind Spot Assist currently unavail‐ able See Owner's Manual
Possible causes/consequences and M Solutions Vehicles with Becker® MAP PILOT: if the Becker® MAP PILOT is not connected, the radar sensor system is deactivated automati- cally. Blind Spot Assist is not available. X Connect the Becker® MAP PILOT; see the separate operating
instructions.
Lane Keeping Assist is deactivated and temporarily inoperative. Possible causes: Rthe windscreen is dirty in the camera's field of vision. Rvisibility is impaired due to heavy rain, snow or fog. Rthere are no lane markings for a longer period. Rthe lane markings are worn, dark or covered, e.g. by dirt or snow. Once the causes listed above no longer apply, the display message goes out. Lane Keeping Assist 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 162). X Clean the windscreen.
Lane Keeping Assist is faulty. X Visit a qualified specialist workshop. Blind Spot Assist is temporarily inoperative. You have established the electrical connection between the trailer and your vehicle. X Press a on the steering wheel to confirm the display mes-
sage.
Blind Spot Assist is deactivated while towing a trailer.
248 Display messages
Display messages
Blind Spot Assist inoperative
Park Assist cancel‐ led
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. Once the causes listed above no longer apply, the display message goes out. Blind Spot Assist 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 162). X Clean the sensors (Y page 294). 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. The driver's door is open and the driver's seat belt has not been fastened. X Repeat the parking process with the seat belt fastened and the
driver's door closed.
You inadvertently touched the multifunction steering wheel while steering intervention was active. X While steering intervention is active, make sure not to touch the
multifunction steering wheel.
The vehicle has started to skid and ESP® has intervened. X Use Active Parking Assist again later (Y page 186).
Display messages
249
Display messages Park Assist inoper‐ ative
Possible causes/consequences and M Solutions You have just carried out a large number of turning or parking manoeuvres. Active Parking Assist will become available again after approx- imately ten minutes (Y page 186). X Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X Switch off and restart the engine. If the display message continues to be displayed: X Visit a qualified specialist workshop. PARKTRONIC is faulty. X Visit a qualified specialist workshop.
deactivated automatically, a warning tone also sounds.
DISTRONIC PLUS off DISTRONIC PLUS has been deactivated (Y page 173). If it was DISTRONIC PLUS available again DISTRONIC PLUS cur‐ rently unavailable See Owner's Manual
DISTRONIC PLUS is operational again after having been tempo- rarily unavailable. You can now reactivate DISTRONIC PLUS (Y page 173). DISTRONIC PLUS is temporarily inoperative. Possible causes: Rthe function is impaired due to heavy rain or snow. Rthe sensors in the radiator trim are dirty 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 system is outside the operating temperature range. Rthe on-board voltage is too low. A warning tone also sounds. Once the causes listed above no longer apply, the display message 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 162). X Clean the sensors in the radiator trim (Y page 294). X Restart the engine.
250 Display messages
Display messages DISTRONIC PLUS inoperative
DISTRONIC PLUS inactive
DISTRONIC PLUS --- km/h
DISTRONIC PLUS and SPEEDTRONIC inop‐ erative Cruise control and SPEEDTRONIC inop‐ erative Limit --- km/h Cruise control --- km/h
120 km/h Maximum speed exceeded
Possible causes/consequences and M Solutions DISTRONIC PLUS is faulty. Adaptive Brake Assist may also have failed. A warning tone also sounds. X Visit a qualified specialist workshop. You have depressed the accelerator pedal. DISTRONIC PLUS is no longer controlling the speed of the vehicle. X Remove your foot from the accelerator pedal. An activation condition for DISTRONIC PLUS is not fulfilled. X Check the activation conditions for DISTRONIC PLUS
(Y page 175).
DISTRONIC PLUS and SPEEDTRONIC are faulty. A warning tone also sounds. 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 169).
Only for certain countries: the maximum speed has been excee- ded. In addition, the multifunction display shows 120 km/h. X Drive more slowly.
Display messages
251
Tyres Display messages Tyre pressure Check tyres
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: Rthe tyres may burst, especially as the load and vehicle speed
increase.
Rthe tyres 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 162). X Check the tyres and, if necessary, follow the instructions for a
X Check the tyre pressures and, if necessary, correct the tyre
flat tyre (Y page 300).
pressure.
Check tyre pres‐ sures then restart Run Flat Indicator Run Flat Indicator inoperative
X Restart the tyre pressure loss warning system when the tyre
pressure is correct (Y page 323).
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 323). The tyre pressure loss warning system is faulty. X Visit a qualified specialist workshop.
252 Display messages
Vehicle Display messages To start engine, shift to either P or N Auxiliary battery malfunction
Depress brake to start engine
To shift out of P or N depress brake and start engine
Apply brake to deselect Park (P) position Risk of vehicle rolling Transmission not in P
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 electric parking brake. You have attempted to start the engine with the transmission in position N without depressing the brake pedal. X Depress the brake pedal. You have attempted to shift the transmission to position R or D without starting the engine. X Start the engine. X Depress the brake pedal. i It is only possible to shift the transmission from position P to the desired position if you depress the brake pedal. Only then can the parking lock be deactivated. If you do not depress the brake pedal, the DIRECT SELECT lever can still be moved but the parking lock remains engaged.
i At transmission fluid temperatures below Ò20 † you can only shift out of position P into another transmission position when the engine is running.
You have attempted to move the transmission selector lever to position R, N or D 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. A warning tone also sounds. X Shift the transmission to position P.
