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Home >> Mercedes Benz >> 2003 >> CL55 >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Wheels, Chassis Alignment Check -- Testing & Repair -- 215 & 220 Chassis >> Testing & Repair >> Check vehicle level at front and rear axle with electronic inclinometer, adjust if necessary - AR40.20-P-0301 >> Check vehicle level at front and rear axle with electronic inclinometer, adjust if necessary - AR40.20-P-0301MB

Check vehicle level at front and rear axle with electronic inclinometer, adjust if necessary - AR40.20-P-0301MB

MODEL 220 with CODE (979) Special protection version with CODE (Z07) Top protection 

Fig 1: Identifying Inclination Meter, Measurement Sensor
G04852172

Measurement point 1 (right front) illustrated 

Fig 2: Identifying Measuring Sensor And Connection Cable For Measuring Sensor - Measurement Point 1 (Right Front)
G04852173

Illustration shows measuring point 3 (left rear) 

Fig 3: Identifying Measuring Sensor And Connection Cable For Measuring Sensor - Measurement Point 1 (Left Rear)
G04852174
MODIFICATION NOTES

3.11.05 Basis data table modified   *BE40.20-P-1001-03J 
INSPECT Checking     
1 Carry out preconditions and tests for vehicle level measurement   AR40.00-P-0202A 
2 Clean measuring points IMPORTANT This prevents any measuring errors.  
3 Mount measuring sensor (086a) on spring link between the cast-in humps and read off the vehicle level on the inclinometer (86) NOTES The measuring sensor connecting cable (086b) must point towards the center of the vehicle, otherwise the measurement will be incorrect.
IMPORTANT Measure vehicle level at
  • Measuring point 1 (left front) and
  • measuring point 2 (right front) and store measured values.
 
    Vehicle level - front axle *BE40.20-P-1001-02J 
    COMMERCIALLY AVAILABLE TOOLS Electronic inclinometer (CM 9606) *WE58.40-Z-1002-15A 
4 Mount measuring sensor (086a) on rear axle shaft and read off vehicle level on the inclinometer (86) NOTES The measuring sensor connecting cable (086b) must point towards the center of the vehicle, otherwise the measurement will be incorrect.
IMPORTANT Measure vehicle level at
  • Measuring point 3 (left rear) and
  • measuring point 4 (right rear) and store measured values.
 
    Vehicle level - rear axle *BE40.20-P-1001-03J 
    COMMERCIALLY AVAILABLE TOOLS Electronic inclinometer (CM 9606) *WE58.40-Z-1002-15A 
5 Check the maximum permissible difference in vehicle level between the left and right side of the vehicle IMPORTANT The specified test tolerance applies only when checking the vehicle level but not for calibration.  
    Permissible difference in vehicle level between right and left sides of the vehicle *BE40.20-P-1002-02J 
    Permissible difference in vehicle level between right and left sides of the vehicle *BE40.20-P-1002-03J 
6.1 Use STAR DIAGNOSIS to calibrate vehicle level Only if the vehicle level is outside the test tolerance.  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault   AD00.00-P-2000-04A
    STAR DIAGNOSIS diagnosis system *WH58.30-Z-1048-13A 
    Permissible difference in vehicle level between right and left sides of the vehicle *BE40.20-P-1002-02J 
    Permissible difference in vehicle level between right and left sides of the vehicle
IMPORTANT Do not adjust the vehicle level using the level sensor control rod.
Possible causes and remedies when the vehicle level is not OK after calibration:
  • Attachment of level sensor is deformed. a
  • Connecting rod to torsion bar, spring a control arm or wishbone has incorrect length.
  • Attachment of connecting rod at torsion a bar, spring control arm or wishbone is loose or bent.
*BE40.20-P-1002-03J 
7.1 Adjust headlamps Only when vehicle level has been adjusted.  
REFER TO MAINTENANCE Check and correct headlamp adjustment   AP82.10-P-8260M
CHECK VALUES FOR VEHICLE LEVEL AT FRONT AXLE

Number Designation Model 220 with code Z07
BE40.20-P-1001-02J Vehicle level - front axle ∠° 5.2 (±1.5)
BE40.20-P-1002-02J Permissible difference in vehicle level between right and left sides of the vehicle When checking ∠° 1
When calibrating with Star Diagnosis ∠° 0.5
CHECK VALUES FOR REAR AXLE VEHICLE LEVEL CONTROL

Number Designation Model 220 with code Z07
BE40.20-P-1001-03J Vehicle level - rear axle ∠° -1.9 (±1.0)
BE40.20-P-1002-03J Permissible difference in vehicle level between right and left sides of the vehicle When checking ∠° 1
When calibrating with Star Diagnosis ∠° 0.5
COMMERCIALLY AVAILABLE TOOLS

Number Designation
WH58.30-Z-1048-13A STAR DIAGNOSIS diagnosis system, Compact Passenger Car 6511 1801 00
WORKSHOP EQUIPMENT

WE58.40-Z-1002-15A Electronic clinometer