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Home >> Mercedes Benz >> 2007 >> C350 Base, Automatic >> Repair and Diagnosis >> Suspension >> Rear Suspension >> Suspension -- 203 Chassis >> Testing & Repair >> Connecting and disconnecting tester at rear axle level controller - AR32.30-P-0530-01A

Connecting and disconnecting tester at rear axle level controller - AR32.30-P-0530-01A

Render the hydraulic system pressureless before commencing work on system. Wear protective clothing and eye protection. 

Fig 1: Identifying Tester (126 589 14 21 00)
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TORQUE SPECIFICATION REAR AXLE LEVEL CONTROLLER

Number Designation Model Series 140 with ride-height control/ ADS Model Series 202 with ride-height control
BA32.30-P-1002-03A Oil drain plug on level controller (reference value) M10 x 1 NM 14 14
TORQUE SPECIFICATION REAR AXLE LEVEL CONTROLLER

Number Designation Model Series 203.2 with self-leveling suspension Model Series 208 with self-leveling suspension
BA32.30-P-1002-03A Oil drain plug on level controller (reference value) M10 x 1 NM 14 14
TORQUE SPECIFICATION REAR AXLE LEVEL CONTROLLER

Number Designation Model 210 with level control / ADS
BA32.30-P-1002-03A Oil drain plug on level controller (reference value) M10 x 1 NM 14

    Connect tester on Models 140, 210 

  1. Install test hose (038e) and bleed screws (038n) on distributor (038r) of the tester (038).
    Fig 2: Connecting Tester At Rear Axle Level Controller - Models 140, 210
    G04624743
  2. Unscrew drain plug from suspension-control module (3).
  3. Use test hose (038e) to connect tester (038) to fitting (S2) on suspension-control module (3).

Layout on Model Series 140 

Fig 3: Tester Layout On Model Series 140
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Layout on Model Series 210 

Fig 4: Tester Layout On Model Series 210
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    Connecting tester on Models 202, 203.2, 208 

  1. Install test hose (038g) and bleed screws (038n) on distributor (038r) of the tester (038).
    Fig 5: Connecting Tester At Rear Axle Level Controller - Models 202, 203.2, 208 (1 Of 2)
    G04624746
  2. Unscrew drain plug from suspension-control module (3).
  3. Use test hose (038g) to connect tester (038) to fitting (A) on suspension-control module (3).
    Fig 6: Connecting Tester At Rear Axle Level Controller - Models 202, 203.2, 208 (2 Of 2)
    G04624747
  4. Disconnect tester, Models 140, 202, 203.2, 208, 210 

  5. Attach discharge hose to the bleed screw (038n) on the tester (038).
  6. Slowly open the bleed screw (038n) and allow the fluid to drain into a clean container.

    IMPORTANT The fluid can subsequently be refilled into the system for continued use.

  7. Reclose the bleed screw (038n).
  8. Disconnect tester (038) with test hose.
  9. Screw the drain plug back into the suspension-control module (3), tightening to specified torque.