A vision system (10) for a motor vehicle including an imaging system (11) adapted to capture images from a surrounding of the motor vehicle and a data processing device (14) establishing an object detector (15) adapted to detect an object in images captured by the imaging system (11) through image processing. The object detector (15) includes a wheel detector (20) adapted to detect a wheel (22; 27), a wheel-like structure, or a characteristic part thereof, of another vehicle.