Activating Cruise Control

Mercedes-Benz vehicles typically feature cruise control buttons on the steering wheel. To use cruise control in 2021 models:

1. Locate the cruise control buttons on the right side of the steering wheel

2. Press the on/off button to activate the system

3. Accelerate to your desired speed

4. Push the set button to maintain the current speed

The cruise control indicator will appear on the instrument cluster when activated.

Adjusting Speed

Once cruise control is set, you can easily adjust your speed:

  • Push the set button up to increase speed
  • Push the set button down to decrease speed
  • For 10 km/h increments, push and hold the set button

Speed adjustments are reflected immediately on the instrument cluster.

Adaptive Cruise Control

Many 2021 Mercedes models feature adaptive cruise control, which maintains a set distance from the vehicle ahead:

  • Use the distance button to adjust the following distance
  • The system automatically adjusts speed to maintain the set distance
  • Active brake assist may engage if necessary to avoid collisions

Deactivating Cruise Control

To disengage cruise control:

  • Tap the brake pedal
  • Press the cancel button
  • Press the on/off button to completely turn off the system

Remember: Always stay alert and ready to take control of the vehicle.

Additional Features

Some 2021 Mercedes models offer advanced cruise control features:

  • Speed Limit Assist: Automatically adjusts to posted speed limits
  • Route-based Speed Adaptation: Slows for curves and roundabouts
  • Stop-and-Go Functionality: Works in heavy traffic, even coming to a complete stop

Using the Resume Function

If you've temporarily disengaged cruise control:

1. Press the resume (RES) button to reactivate at the previously set speed

2. Double-press RES to match the current speed limit (if equipped with Traffic Sign Assist)

FAQs About Mercedes Cruise Control

    • Can I use cruise control in all driving conditions?
      No, avoid using cruise control in heavy traffic, poor weather, or on winding roads.
    • Does adaptive cruise control work at all speeds?
      Most systems work from about 30 km/h up to top speeds, but check your specific model's manual.
    • Will cruise control work uphill?
      Yes, the system will maintain speed on inclines, potentially using more fuel.

Remember to always refer to your vehicle's manual for model-specific instructions and safety information regarding cruise control usage.