Display messagesPossible causes/consequences and P PSolutions
Active SteeringActive SteeringAssist CurrentlyAssist CurrentlyUnavailable SeeUnavailable SeeOperator's ManualOperator's Manual
Active Steering Assist is temporarily inoperative.
Possible causes are:
Rthe windshield in the camera's field of vision is dirty
Rvisibility is impaired due to heavy rain, snow or fog
Rthere have been no lane markings for an extended period
Rthe lane markings are worn away, dark or covered up, e.g. by dirtor snow
When the causes stated above no longer apply, the display messagedisappears.
Active Steering Assist is operational again.
If the display message does not disappear:
XPull over and stop the vehicle safely as soon as possible, payingattention to road and traffic conditions.
XSecure the vehicle against rolling away (Ypage 146).
XClean the windshield.
Active SteeringActive SteeringAssist InoperativeAssist InoperativeActive Steering Assist is faulty.
However, the Active Distance Assist DISTRONIC functions are stillavailable.
A warning tone also sounds.
XVisit a qualified specialist workshop.
Cruise Control OffCruise Control OffCruise control has been deactivated.
If a warning tone also sounds, cruise control has deactivated auto-matically (Ypage 154).
Cruise Control - -Cruise Control - -- mph- mphCruise control cannot be activated, since not all of the activationconditions have been met.
XCheck the activation conditions for cruise control (Ypage 154).
Cruise ControlCruise ControlInoperativeInoperativeCruise control is malfunctioning.
A warning tone also sounds.
XVisit a qualified specialist workshop.
226Displaymessages
On-b oard computer and displays
Display messagesPossible causes/consequences and P PSolutions
Tire Press. Moni‐Tire Press. Moni‐tor Currentlytor CurrentlyUnavailableUnavailable
Because there is interference from a strong source of radio waves,no signals from the tire pressure sensors are detected. The tirepressure monitor is temporarily malfunctioning.
XDrive on.The tire pressure monitor restarts automatically as soon as theproblem has been resolved.
TirePress. Sen‐TirePress. Sen‐sor(s) Missingsor(s) MissingThere is no signal from the tire pressure sensor of one or severalwheels. The pressure of the affected tire does not appear in themultifunction display.
XHave the faulty tire pressure sensor replaced at a qualified spe-cialist workshop.
Tire Pressure Moni‐Tire Pressure Moni‐tor Inoperative Notor Inoperative NoWheel SensorsWheel Sensors
The wheels mounted do not have a suitable tire pressure sensor.The tire pressure monitor is deactivated.
XMount wheels with suitable tire pressure sensors.The tire pressure monitor is activated automatically after drivingfor a few minutes.
Tire Press. Moni‐Tire Press. Moni‐tor Inoperativetor InoperativeThe tire pressure monitor is faulty.
XVisit a qualified specialist workshop.
Vehicle
Display messagesPossible causes/consequences and P PSolutions
Shift to 'P' orShift to 'P' or'N' to Start Engine'N' to Start EngineYou have attempted to start the engine with the transmission inposition ^or [.
XShift the transmission to position ]or \\.
Apply Brake toApply Brake toShift from 'P'Shift from 'P'You have attempted to shift the transmission to position [, ^or \\without depressing the brake pedal.
XDepress the brake pedal.
To Shift out of PTo Shift out of Por N, Depressor N, DepressBrake and SwitchBrake and Switchon Engineon Engine
You have attempted to shift the transmission out of position ]or \\into another transmission position with the engine switched off.
XDepress the brake pedal.
XStart the engine.
Driver's Door OpenDriver's Door Open& Transmission Not& Transmission Notin P Risk of Vehi‐in P Risk of Vehi‐cle Rolling Awaycle Rolling Away
The driver's door is not fully closed and the transmission is in posi-tion ^, \\or [.
A warning tone also sounds.
GWARNING
The vehicle may roll away.
There is a risk of an accident.
XWhen parking the vehicle, shift the transmission to position ].
228Displaymessages
On-b oard computer and displays
