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Home >> Mercedes Benz >> 2019 >> S450 Base >> Repair and Diagnosis >> Suspension >> Suspension Control Systems >> Suspension - 222 Chassis (1 Of 2) >> Testing & Repair >> Remove/Install Rear Axle Pressure Reservoir - AR32.50-P-0011LF

Remove/Install Rear Axle Pressure Reservoir - AR32.50-P-0011LF

Model 217, 222 

With Code 487 (Active Body Control (ABC)) 

MODIFICATION NOTES

25.11.2014 Nut, rear valve unit pressure reservoir to body   BA32.50-P-1011-03B
G15367120Courtesy of MERCEDES-BENZ USA

Shown on model 222 

DANGER Risk of death  caused by vehicle slipping or toppling off of the lifting platform. Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer. AS00.00-Z-0010-01A
WARNING Risk of injury  to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning  from swallowing hydraulic fluid. Depressurize hydraulic system completely before starting any work on it. Wear protective clothing and safety glasses. AS00.00-Z-0013-01A
Topical note  Notes on fitting hydraulic lines and hoses   AH32.50-P-0001-02A 
  Notes on Active Body Control suspension   AH32.50-P-0001-01N 
REMOVINGINSTALLING Remove/install     
1 Reduce pressure in ABC system using diagnostic equipment   AR32.50-P-0001-01LF 
      AD00.00-P-2000-04B
2 Unfasten cover (1) on left side    
3 Remove left heat shield (2)    
4 Remove bracket (3) in wheel arch    
5 Clean the area surrounding separation point at hydraulic line (5)    
6 Remove screw/bolt (4) and take off hydraulic line (5) TORQUE SPECIFICATION Bolt, high-pressure line to rear valve unit pressure reservoir *BA32.50-P-1012-03B 
7 Seal pressure reservoir (6) and hydraulic line (5) using suitable stop plugs SPECIAL TOOL Record plug Fig 1
8 Unscrew nuts (7) at pressure reservoir (6) TORQUE SPECIFICATION Nut, rear valve unit pressure reservoir to body *BA32.50-P-1011-03B 
9 Fold trunk floor upwards and remove spare wheel well paneling    
10 Remove pressure reservoir (6)    
11 Dispose of pressure reservoir (6) properly When replacing pressure reservoir (6)  
12 Install in the reverse order    
13 Fill and bleed ABC system   AR32.50-P-0021SX 
ACTIVE BODY CONTROL

Number Designation Model 217 Model 222
BA32.50-P-1011-03B Nut, rear valve unit pressure reservoir to body Stage 1 Nm 4 4
Stage 2 Nm 8 8
ACTIVE BODY CONTROL

Number Designation Model 217 Model 222
BA32.50-P-1012-03B Bolt, high-pressure line to rear valve unit pressure reservoir M8 Nm 20 20
Fig 1: Identifying Record Plug (129 589 00 91 00)
G12078802Courtesy of MERCEDES-BENZ USA