Mercedes C-Class

Vehicle Sensors, Driving Systems, and Safety Assistance

Vehicle Sensors

  • Multifunction camera
  • Cameras in the outside mirrors
  • Front radar
  • Front camera
  • Corner radars
  • Ultrasonic sensors
  • Rear view camera
  • & WARNING Risk of accident due to restricted detection performance of vehicle sensors and cameras:
    • Keep areas around sensors and cameras clear and clean.
    • Repair damage to bumpers, radiator grille, or stone chipping at a qualified specialist workshop.
    • Do not attach license plate brackets, stickers, or other obstructions in detection range.
    • Ensure no overhanging loads protrude into the detection range.
    • % Rear view camera may extend/retract automatically for calibration.

Driving Assistance Package

  • % Active Distance Assist DISTRONIC, Active Blind Spot Assist, Active Brake Assist, Active Lane Keeping Assist, and Active Emergency Stop Assist are available even without the package with limited functionality.
  • Available systems:
    • Active Distance Assist DISTRONIC
    • Active Speed Limit Assist (country-dependent)
    • Route-based speed adaptation (country-dependent)
    • Active Brake Assist
    • Active Steering Assist (country-dependent)
    • Active Emergency Stop Assist (country-dependent)
    • Active Lane Change Assist (country-dependent)
    • Active Stop-and-Go Assist (country-dependent)
    • Active Blind Spot Assist with exit warning
    • Active Lane Keeping Assist
    • PRE-SAFE® Impulse Side

Parking Package

  • % Rear view camera may be available without the Parking Package in some countries.
  • % Availability of individual functions is country/equipment dependent.
  • Available systems:
    • Rear view camera
    • Surround view camera
    • Parking Assist PARKTRONIC
    • Active Parking Assist

ABS (Anti-lock Brake System)

  • Prevents wheel lock during braking and maintains steerability.
  • ABS active from ~3 mph (5 km/h).
  • % If ABS warning lamp lights up continuously, the system may be impaired or malfunctioning.

BAS (Brake Assist System)

  • & WARNING Risk of accident due to BAS malfunction: braking distance may increase in emergencies.
  • BAS supports emergency braking by automatically boosting brake pressure while ABS prevents wheel lock.
  • Deactivated when brake pedal released.

ESP® (Electronic Stability Program)

  • & WARNING Risk of skidding if ESP® is deactivated: vehicle stabilization not performed.
  • ESP® intervenes by braking wheels and adjusting engine output if vehicle deviates from driver intention.
  • % When ESP® warning lamp flashes, one or more wheels reached grip limit. Adapt driving style and avoid deactivating ESP®.
  • Deactivate ESP® only in:
    • Using snow chains
    • Deep snow
    • Sand or gravel

ETS/4ETS (Electronic Traction System)

  • Part of ESP®, improves traction on slippery roads.
  • Intervenes by braking spinning wheels or transferring torque to wheels with traction.

STEER CONTROL

  • Provides steering assistance for vehicle stabilization on wet/slippery surfaces or during skidding.
  • System may be impaired if ESP® or steering is malfunctioning.

HOLD Function

  • Holds the vehicle at a standstill without pressing the brake pedal, e.g., in traffic.
  • % Only an aid. Incline must not exceed 30%.
  • & WARNING Risk if HOLD active when leaving vehicle: secure vehicle before exit.
  • Activation requirements:
    • Vehicle stationary
    • Driver's door closed or seatbelt fastened
    • Vehicle started or automatically switched off by ECO start/stop
    • Electric parking brake released
    • Active Distance Assist DISTRONIC deactivated
    • Transmission in h, k, or i
  • Activate: depress brake pedal until display appears, then release.
  • Deactivate: depress accelerator or brake until display disappears. HOLD also deactivates if:
    • Active Distance Assist DISTRONIC activated
    • Transmission shifted to j
    • Vehicle secured with electric parking brake

Hill Start Assist

  • Holds vehicle briefly on a hill while switching foot from brake to accelerator.
  • & WARNING Risk of rolling away: do not leave vehicle during Hill Start Assist.

ATTENTION ASSIST

  • Assists on long, monotonous journeys by detecting fatigue or lapses in concentration.
  • % Two settings:
    • Standard: normal sensitivity
    • Sensitive: higher sensitivity; driver warned earlier
  • % Warning message: "Take a Break!" appears on driver display.

`