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Home >> Mercedes Benz >> 2021 >> S560 4Matic >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension - 217 Chassis >> Testing & Repair >> Initial Startup Of Tandem/Hydraulic Pump - AR32.50-P-0022-01RK

Initial Startup Of Tandem/Hydraulic Pump - AR32.50-P-0022-01RK

Model 215, 216 

Model 217 

with code 487 (Active Body Control (ABC)) 

Model 220 

with code 487 (Active Body Control (ABC)) 

except code 979 (Special protection MB Guard) 

Model 221 

with code 487 (Active Body Control (ABC)) 

except code Z07 (B7 armoring on special protection version) 

Model 222, 230, 231 

with code 487 (Active Body Control (ABC)) 

G15299707Courtesy of MERCEDES-BENZ USA
G15299708Courtesy of MERCEDES-BENZ USA

Shown on MODEL 231 

G15299709Courtesy of MERCEDES-BENZ USA

Shown on model 220 

G15299710Courtesy of MERCEDES-BENZ USA

IMPORTANT A new tandem pump is bled as a result of the pressure buildup in the ABC system.

The following special tools are required: SPECIAL TOOL pressure pump (084) and SPECIAL TOOL adapter (1).

  1. Connect suitable pressure hose (084a) to pressure pump (084).
  2. Pull dipstick out of the expansion reservoir (2).
  3. Model 217

    with code 487 (Active Body Control (ABC))

    Model 222

    with code 487 (Active Body Control (ABC))

    Model 231

    with code 487 (Active Body Control (ABC))

    Mount adapter (1) to expansion reservoir (2).

    1. Model 215, 216

      Model 220

      with code 487 (Active Body Control (ABC))

      except code 979 (Special protection MB Guard)

      Model 221

      with code 487 (Active Body Control (ABC))

      except code Z07 (B7 armoring on special protection version)

      Model 230

      with code 487 (Active Body Control (ABC))

      Insert the pressure hose (084a) into the fitting of the dipstick opening and press on firmly.

      IMPORTANT 2nd person required.

    2. Model 217

      with code 487 (Active Body Control (ABC))

      Model 222

      with code 487 (Active Body Control (ABC))

      Model 231

      with code 487 (Active Body Control (ABC))

      Connect pressure pump (084) to adapter (1).

  4. Use pressure pump (084) to produce a pressure of approx. 1 bar.
  5. Start engine and wait until pressure at pressure pump (084) has dropped to 0 bar.