
Fig. 166 In the instrument cluster display: ACC deactivated temporarily; vehicle detected ahead, time interval set

Fig. 167 In the instrument cluster display: ACC active: vehicle detected ahead, time interval is being set
First read and observe the introductory information
and safety warnings Displays
Display fields or :
Vehicle ahead when ACC is inactive.
Selected distance range when ACC is
inactive.
Vehicle detected ahead. ACC is active.
Setting the time interval to the vehicle
in front while travelling at stored speed.
Time interval to the vehicle in front
while travelling at stored speed has been set. Warning and indicator lamps
| Lit up | Possible cause | Solution |
|---|---|---|
|
ACC speed reduction between the vehicle ahead is insufficient. | Brake! Depress the brake pedal. The system tells the driver to take control. |
|
ACC currently not available.a) | Switch off the engine and restart it while stationary. Inspect the radar sensor (for dirt, ice etc.). Go to a qualified workshop immediately and have the system checked if it is constantly unavailable. |
|
ACC is active. No vehicle has been detected ahead. The set speed is kept constant. | – |
|
When displayed in white: ACC active. Vehicle detected ahead. ACC regulates the speed and the distance from the vehicle ahead. | – |
| When displayed in grey: ACC not active. System switched on, does not regulate. | ||
|
ACC is active. | – |
Several warning and indicator lamps will light up briefly as a functional check when the ignition is switched on. They will switch off after a few seconds.

WARNING

NOTICE
a) Displayed in colour on an instrument cluster with colour display.
Introduction
Radar sensorAssembly overview - steering column switch module, with electronic ignition
lock
1 -
Starter button -E378-
Overview of fitting locations
→ Chapter
2 -
Steering column electronics control unit -J527-
With airbag coil connector and return ring with slip ring -F138-
...
Overview of fitting locations – controls in rear doors
1 -
Rear driver side window regulator button -E711-
Removing and installing
→ Chapter
2 -
Rear passenger side window regulator button -E713-
Removing and installing
→ Chapter
...
Assembly overview - heat shield
1 -
Underbody heat shield
Removing and installing
→ Chapter
2 -
Retainer
Qty. 6
3 -
Heat shield for centre exhaust system
Removing and installing
→ Chapter.
4&n ...