
In the engine compartment
Fuse box cover Changing fuses
Lever for adjusting the steering column position Steering wheel
Light switch Vehicle lighting
 
Turn signal and main beam lever Vehicle lighting
With switches and buttons for the driver assist systems Button for driver assist systemsDriver 
assist systems
Vents Heating and air conditioning system
 
Instrument cluster Instrument cluster
With warning and indicator lamps Symbols in instrument cluster
 
Lever for wipers and washers Wipers
With buttons for operating the menus Instrument cluster
 
Controls on the multifunction steering wheel: 
Operating driver assist systems Operating using the multifunction steering wheelDriver assist 
systems
Audio, navigation   
Opening the telephone menu or accepting telephone calls   
Volume adjustment    
Activating voice control  (no function in some models) 
Horn 
Location of the driver front airbag Airbag system
Ignition lock Starting and stopping the engine
Pedals Pedals 

Front passenger side 
 
Fig. 10 Overview of the front passenger side (left-hand drive vehicles). The location is mirrored in 
right-hand drive vehicles. 
Key to Fig. 10 
Vents Heating and air conditioning system
At the side of the dash panel: key-operated switch for disabling the front passenger front airbag 
Airbag system
Operating lever for the stowage compartment Stowage areas
Controls in the roof 
Symbol Meaning 
Buttons for interior and reading lights  Interior lighting. 
  Switch for glass roof  Glass roof. 
Buttons for the sun blind  Protection from the sun. 
Buttons for emergency call service, information call and breakdown call  In an 
emergency 
Driver information 
Symbols in instrument cluster 
The warning and indicator lamps indicate various warnings, faults or certain functions. Some 
warning and indicator lamps light up when the ignition is switched on and must go out once the 
engine is running or the vehicle is in motion. 
Depending on the vehicle equipment level, symbols may be displayed in the instrument cluster 
instead of warning lamps.  

 
Indicator lamps which light up in the light switch are described in the chapter Lights Lig
Symbol Meaning 
  Central warning lamp. Observe the additional information on the instrument cluster 
display. 
  Electronic parking brake  Operating the electronic parking brake. 
  Brake system fault   
  Electromechanical steering not functioning  Troubleshooting. 
  Fasten seat belt  Warning lamp. 
  Collision warning from area monitoring system (Front Assist)  Warning levels and 
 
  Depress the brake pedal. 
  Check brake pads  Troubleshooting. 
  Central warning lamp. Observe the additional information on the instrument cluster 
display. 
  Electronic Stability Control (ESC) OR traction control system (TCS)   TCS regulating 
to  
  Traction control system (TCS) switched off   TCS regulating to prevent the wheels 
 
  Fault in anti-lock brake system (ABS)    
  Fault in electronic parking brake  TroubleshootingOR: fault in Hill Start Assist   
 
  Rear fog light switched on  Switching the fog lights on and off. 
  Vehicle lighting is not working    
  Fault in exhaust system   Fault  
  Fault in engine management system  Troubleshooting.  

  rocker switch on the wiper lever or the  
or  buttons on the multifunction steering wheel. Then press the or button or 
wait a few seconds. The speed is now saved and the warning is activated. 
To deactivate, press the or button again. The stored speed will be deleted. 
The speed warning can be adjusted within a range of 30 km/h (18 mph) to 250 km/h (155 mph). 
 
Some settings can be saved in the user accounts for personalisation and therefore change 
automatically when the user account is changed Personalis
1) Varies depending on the instrument cluster version. 
2) Not available in all countries. 
Warning and information messages 
First read and observe the introductoryinformation and safety warnings
The system runs a check on certain components and functions in the vehicle when the ignition is 
switched on or while the vehicle is in motion. Malfunctions are indicated by red and yellow warning 
symbols with information messages on the instrument cluster display Symbols in instrument 
cluster
messages and symbols can vary depending on the version of the instrument cluster. 
In addition, a list of current malfunctions can be opened manually. To open the list, select the 
Vehicle status or Vehicle menu Instrument cluster menus 
Priority 1 warning (red)The symbol flashes or lights up (sometimes together with a signal tone). 
Do not drive on! Danger. Check the fault and correct the cause. Seek expert assistance if 
necessary.Priority 2 warning (yellow)The symbol flashes or lights up (sometimes together with a 
signal tone). Malfunctions and insufficient service fluids can damage the vehicle and cause it to 
break down. Check the fault as soon as possible. Seek expert assistance if necessary.Information 
messageInformation about various vehicle procedures and conditions. 
 
With some equipment levels, some settings and displays may also appear in the Infotainment 
system. 
 
If several warnings are present, the symbols will appear for several seconds, one after another. The 
symbols will continue to appear until the faults are rectified. 
 
If warning messages about malfunctions are displayed when the ignition is switched on, it may not 
be possible to adjust some settings as described, or the information display may appear differently. 
If this is the case, take the vehicle to a qualified workshop to have the malfunctions rectified.  

 
After validation and evaluation of the information from the camera, the Infotainment system and 
the current vehicle data, the activated Dynamic Road Sign Display shows up to three valid road signs 
Fig. 14 with the accompanying additional signs: 
1st position:The road sign that currently applies for the driver is shown on the left-hand side of the 
display, e.g. a speed limit of 130 km/h (80 mph) Fig. 14.2nd position:Road signs that do not 
always apply (e.g. 100 km/h (60 mph) in wet) are shown in second place.Additional sign:if the 
windscreen wiper is active while the vehicle is in motion, the now valid road sign with the additional 
In wet sign, for example, will be moved left to the first position.3rd position:Further road signs that 
do not always apply will be displayed in the third position, e.g. overtaking not permitted at certain 
times Fig. 14. 
Speed warning 
If the Dynamic Road Sign Display detects that an applicable speed limit has been exceeded, it can 
issue an acoustic warning signal and display a message on the instrument cluster display. 
The speed warning can be set or completely deactivated in the vehicle settings in the Infotainment 
system Vehicle settings menu km/h (3 mph) 
within a range between 0 km/h (mph) and 15 km/h (9 mph) above the permitted maximum speed. 
Trailer mode 
In vehicles with a factory-fitted towing bracket and a trailer with an electrical connection to the 
vehicle, the display of road signs that may apply to the vehicle when towing a trailer, e.g. applicable 
speed limits and no-overtaking signs, can be activated or deactivated in the vehicle settings in the 
Infotainment system Vehicle settings menu 
In trailer mode, the speed warning function display can be adjusted to the type of trailer or to legal 
requirements. The settings can be adjusted in increments of 10 km/h (5 mph) within a range 
between 60 km/h (40 mph) and 130 km/h (80 mph). If a higher speed is set than is permitted for 
driving with a trailer in the country in which you are currently travelling, Dynamic Road Sign Display 
automatically issues a warning at the usual speed limit, e.g. at 80 km/h (50 mph) in Germany. 
If the speed warning for the trailer is deactivated, Dynamic Road Sign Display issues warnings as if 
the vehicle was being driven without a trailer. 
Function limitations 
Dynamic Road Sign Display is subject to system-related limitations. The following conditions can 
restrict the function of Dynamic Road Sign Display, or prevent it from working altogether: 
Poor visibility, e.g. snow, rain, fog or heavy spray. 
Glare, e.g. due to oncoming traffic or sunlight. 
High speeds. 
Covered or dirty camera. 
Road signs that are located outside of the camera's field of view.  

 by trees, snow, dirt or other vehicles. 
Road signs that do not correspond to the standard design. 
Damaged or bent traffic signs. 
Variable road signs on gantries (changeable road sign display using LEDs or other light sources). 
Out-of-date map material in the Infotainment system. 
Stickers on vehicles that show road signs, e.g. speed restrictions on trucks. 
 
WARNING 
The intelligent technology used by the Dynamic Road Sign Display cannot overcome the laws of 
physics, and functions only within the limits of the system. Do not let the extra convenience afforded 
by the Dynamic Road Sign Display system tempt you into taking any risks when driving. The system is 
not a substitute for the full concentration of the driver. 
Always adapt your speed and driving style to suit visibility, weather, road and traffic conditions. 
Poor visibility, darkness, snow, rain and fog can cause road signs not to be displayed or to be 
incorrectly displayed by the system. 
If the camera's field of view is dirty, covered or damaged, the function of the Dynamic Road Sign 
Display system may be impaired. 
 
WARNING 
Driving recommendations and traffic symbols displayed by the Dynamic Road Sign Display system 
may differ from the current traffic situation. 
Not all road signs can be recognised by the system and displayed correctly. 
Road signs on the road and traffic regulations have priority over the recommendations and displays 
provided by the Dynamic Road Sign Display system. 
 
NOTICE 
Availability of the Dynamic Road Sign Display function is limited in waypoint mode (waypoint 
navigation) of the Infotainment system. 
 
Some settings can be saved in the user accounts of the personalisation function and can therefore 
change automatically when the user account is changed Personalisation 
 
  

 
Fuel gauge 
 
Fig. 15 Fuel gauge in the analogue instrument cluster. 
 
Fig. 16 Fuel gauge in the Active Info Display. 
First read and observe the introductoryinformation and safety warnings
Fuel tank almost empty. 
The indicator lamp lights up yellow. The reserve volume, red marking, is being consumed  
Fill the tank as soon as possible. 
Water in the diesel fuel. 
The indicator lamp lights up yellow. 
Switch off the engine and seek expert assistance. 
Tank cap open. 
The indicator lamp lights up yellow. 
Close the tank cap. 
  

 18 Coolant temperature gauge in the Active Info Display. 
First read and observe the introductory information and safety warnings
Cold area. The engine has not yet reached operating temperature. Avoid high engine revs and 
heavy engine loads until the engine is warm. 
Normal area. 
Warning area. The temperature may also rise to the hot area when the engine is working hard, 
especially at high ambient temperatures. 
Coolant 
The indicator lamp lights up and the central warning lamp flashes red. 
The coolant level is not correct or there is a fault in the coolant system. 
Do not drive on! 
Stop the vehicle, switch off the engine and allow it to cool down. 
Check the coolant level Coolant 
Seek expert assistance if the warning lamp does not go out although the coolant level is adequate. 
Service interval display 
 
Fig. 19 In the instrument cluster display: display example for a due service event (illustration). 
First read and observe the introductory information and safety warnings
The service event displays are shown on the instrument cluster Fig. 19and in the Infotainment 
system. 
Versions and displays can vary as different versions of the instrument cluster and Infotainment 
system are available. 
In vehicles with fixed oil change service, services take place at predefined service intervals.