Mercedes Tool, Allen Wrench, Long (Technic Tool: model M1009)
Allen Wrench, Long 8mm: For removing the fan clutch on M103, 104, 119, 120, OM 602, 603, 605, 606 For removing air conditioning idle pulley bolt on M110. 10mm: For loosening and tightening A.C. pulley support bolt on M420, 560, 1986 and newer