Troubleshooting
Front Assist is starting up
The indicator lamp lights up.
—Front Assist is temporarily not available or only available to a limited extent. Front Assist is available after driving
straight ahead for a short time, and the indicator light goes out. When the vehicle is not moving, the indicator
lamp lights up continuously.
Front Assist not available or functions restricted
The indicator lamp lights up yellow and a text message is also displayed.
—The radar sensor or camera window is dirty. Clean the radar sensor and windscreen (→ Vehicle care).
—The view of the radar sensor or camera is impaired due to the weather conditions, e.g. snow, or due to detergent
deposits or coatings. Clean the radar sensor and windscreen (→ Vehicle care).
—The radar sensor's range is obstructed by add-on parts, trim frame for number plate holders or stickers. Remove
any obstructions from the area around the radar sensor.
—The view of the camera is impaired by add-on parts or stickers. Keep the area around the camera window free.
—The radar sensor or camera has been displaced or damaged, e.g. due to damage to the front of the vehicle or the
windscreen. Check whether damage is visible (→ Repairs and technical modifications).
—Painting work or structural modifications have been performed on the front of the vehicle.
—If the problem persists, switch off Front Assist and go to a suitably qualified workshop.
Front Assist does not function as expected or is triggered unnecessarily several times
—The radar sensor or camera window is dirty. Clean the radar sensor and windscreen (→ Vehicle care).
—The system limits have been exceeded (→ Autonomous Emergency Braking (Front Assist)).
—Low sun or darkness.
—If the problem persists, switch off Front Assist and go to a suitably qualified workshop.
Touch panels do not react as expected
Moisture, dirt and grease can impede the functioning of the touch panels.
1. Always keep touch panels clean and dry.
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