Does it take a special tool,
Mercedes-Benz Q&AAsk Your Question
2006 Mercedes-Benz R350 Question: What size are the allen bolts that hold the front calaper on.it is not 8 or 10mm
Answer #1patrick mannion from Greg Solow's Engine Room, March 03, 2012, 09:33Master
The workshop manual does not have a good illustration of the bolts or identify what size it is, look carefully at the head of the bolt to see if it has a Hex head or Torx head or some other spline type head. Your question may be best posted on a Mercedes SUV forum.