Measure absolute angle at rear axle housing - AR41.10-P-0085-03T

MODEL 172, 204, 207, 211, 212, 216.3, 218, 219, 231 

MODEL 221.0/1 2-piece drive shaft 

Measurement - Angle 4, rear axle housing 

The vehicle must be on its wheels for the measurement.

All four angles should be measured in succession without interruption. An angle that has already been measured can be measured a second time if required. To do this, with the Measurement menu displayed, press the "STEP" button repeatedly until the display indicates Ready to measure the relevant angle.

1. Clean contact surfaces (arrows) at rear axle housing to remove paint and/or gasket residuals and remove uneven material using a suitable tool.

   Shown: model 211 with rear axle differential Ø 187 mm 

   Fig 1: Locating Rear Axle Housing Contact Surfaces

   Courtesy of MERCEDES-BENZ USA
2. Position rear axle center assembly adapter (020h) on rear axle housing (magnetic).
3. Align rear axle differential adapter (020h) horizontally in transverse direction using spirit level (020i).
4. Tighten mounting bolts (020k) for rear axle center assembly adapter (020h).
   Fig 2: Rear Axle Center Assembly Adapter And Rear Axle Differential Adapter

   Courtesy of MERCEDES-BENZ USA

   Shown: Model 211 with rear axle differential Ø 187 mm 

5. Mount sensor mount (020c) with the two knurled bolts centrally on the sensor (020a).
   Fig 3: Sensor Mount With Knurled Bolts On Sensor

   Courtesy of MERCEDES-BENZ USA
6. Position sensor bracket (020c) with sensor (020a) on rear axle center assembly adapter (020h) by turning slightly to left/right (magnetic).

   The spiral cable (020b) of the sensor (020a) must point in the direction of travel for each measurement. Otherwise the measurement will be inaccurate.

   Shown: model 211 with 187 mm dia. rear axle center assembly 

   Fig 4: Positioning Sensor Bracket With Sensor (187 mm Dia. Rear Axle Center Assembly)

   Courtesy of MERCEDES-BENZ USA

   Shown: model 211 with 210 mm dia. rear axle center assembly (210E) 

   Fig 5: Positioning Sensor Bracket With Sensor (210 mm Dia. Rear Axle Center Assembly)

   Courtesy of MERCEDES-BENZ USA

   The articulation angle meter is ready to take a measurement. The value measured is shown on the display.

7. Press "SAVE" button.

   The values are saved.

   Measurement value display for angle 4: reading e.g. 2.68° 

   Fig 6: Display - Measured Values Screen For Angle 4

   Courtesy of MERCEDES-BENZ USA

   A confirmation message appears briefly and then the meter indicates that it is ready to measure the next angle (angle 5). The measurement is completed and stored in memory.

8. Remove sensor from rear axle differential.
9. Remove rear axle differential adapter.
10. Detach sensor mount from sensor.

    Confirmation screen 

    Fig 7: Display - Confirmation Screen

    Courtesy of MERCEDES-BENZ USA