Special Tools

Tool number and name	Supersession	Application
MB991955 MB991824 MB991827 MB991910 MB991911 MB991825 MB991826 M.U.T.-III Sub Assembly Vehicle communication interface (V.C.I.) M.U.T.-III USB Cable M.U.T.-III Main Harness A (Vehicles with CAN communication system) M.U.T.-III Main Harness B (Vehicles without CAN communication system) M.U.T.-III main harness C (for Daimler models only) M.U.T.-III trigger Harness	MB991824-KIT NOTE: G: MB991826 M.U.T.-III Trigger Harness is not necessary when pushing V.C.I. ENTER key.	CAUTION: For vehicles with CAN communication, use M.U.T.-III main harness A to send simulated vehicle speed. If you connect M.U.T.-III main harness B instead, the CAN communication does not function correctly. Power steering system air bleeding (Calibration by using the scan tool)
MB991897 or MB992011 Ball joint remover	MB991113-01, MB990635-01 or General service tool	Knuckle and tie rod end ball joint disconnection NOTE: Steering linkage puller (MB990635 or MB991113) is also available to disconnect knuckle and tie rod end ball joint.
MB990326 Preload socket	General service tool	Tie rod end ball joint break-away torque check
MB991548 Power steering oil pressure gauge adapter (Pump side)	MB991548-01	Oil pump pressure test
MB991549 Power steering oil pressure gauge adapter (Hose side)	MB991549-01
MB990662 Power steering oil pressure gauge	MB990662-01
MB990784 Ornament remover	General service tool	Cover removal
MB990803 Steering wheel puller	General service tool	Steering wheel removal
MB990228 or MB991006 Preload socket	MB990228-01	Steering gear total pinion torque check
MB990925 Bearing and oil seal installer set	MB990925-01 or general service tool	Oil seal and bearing installation MB990927, MB990938, MB990939 (For details, refer to SPECIAL TOOLS ).
MB991203 Oil seal and bearing installer	Tool not available	Oil seal and bearing installation
MB992209 Bellows band crimping tool	MB992209	Bellows band installation
MB992249	Variable spanner	Tie-rod removal and installation