caliper

Evening people. Just had a quick question regarding the cali[ers on my 2014 amg line a180. In a video showing the removal of the calipers some people used a caliper rewind tool and some did not. Does anyone know if this is a nesesity or can you do it without. If so what does it do and at what...

Having issues with dealer about real reason for brake failure...on my w164 2007 My rear brakes got stuck leading to one rear wheel getting red hot. Merc sent out recovery who told me the caliper was stuck and brake pad worn. (All pads were previously around 40% worn) It was recovered and...