when you driving the racing car, you need to knwo the right time to change gear to get the best power, In order to avoid distracting the driver’s attention to look at the meter, LED steering wheel do a great help. each shining LED will tell you what speed is now. status about oil remaining ,battery etc ,LED steering wheel for Mercedes-Benz. not only get more power for the car ,but also upgrade its level,for a lexury car ,it looks more luxurious.