This one is just downright strange, but we’re there’s a logical explanation for what’s going on here. Just caught testing on the Nurburgring
, a pair of Mercedes-Benz CLAs each happened to make the same weird whistling noise as they passed the car spotter’s camera. Strange we know, but we do have a few possible explanations. First up, it’s possible that there are some improperly fitted body panels, something not unusual to find on test mules.