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Home >> Mercedes Benz >> 2012 >> CL63 >> Repair and Diagnosis >> Suspension >> Wheels & Tire System >> Wheels, Chassis Alignment Check - 216 Chassis - 2 Of 2 >> Testing & Repair >> Check vehicle level at front and rear axle with electronic inclinometer, adjust if necessary - AR40.20-P-0301SX

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

MODEL 216, 221.0/1 

Fig 1: Identifying Inclinometer And Measuring Sensor
G10110165Courtesy of MERCEDES-BENZ USA

Shown: measurement point 2 right front on model 221 without 4MATIC, without code Z07 top protection 

Fig 2: Locating Spring Control Arm Without Code Z07 - Shown On Model 221
G10110166Courtesy of MERCEDES-BENZ USA

Shown: measurement point 2 right front on model 221 with code Z07 top protection 

Fig 3: Locating Spring Control Arm With Code Z07 - Shown On Model 221
G10110167Courtesy of MERCEDES-BENZ USA

Shown: right rear measuring point 4 

Fig 4: Identifying Measuring Sensor, Measuring Sensor Connecting Cable And Rear Axle Shaft
G10110168Courtesy of MERCEDES-BENZ USA
MODIFICATION NOTES

18.9.08 Value changed: Rear axle vehicle level Model 221.08/18 ECE, USA without (code 482) Suspension with increased ground clearance *BE40.20-P-1001-03O 
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) between the two cast-in humps (arrows) on the spring link (17) and read off the vehicle level on the inclinometer (086) NOTES The connecting cable of the measuring sensor (086b) must point towards the vehicle center, otherwise an erroneous measurement occurs.
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-1001-02O 
4 Mount the measuring sensor (086a) on rear axle shaft (65) and read off vehicle level on the inclinometer (086) NOTES The connecting cable of the measuring sensor (086b) must point towards the vehicle center, otherwise an erroneous measurement occurs.
IMPORTANT Measure vehicle level at
  • Measuring point 3 (left front) and
  • measuring point 4 (right front) and store measured values.
  
Vehicle level - rear axle *BE40.20-P-1001-03O 
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 at front axle between right and left sides of the vehicle *BE40.20-P-1002-02O 
Permissible difference in vehicle level at rear axle between right and left sides of the vehicle *BE40.20-P-1002-03O 
6 Use STAR DIAGNOSIS to calibrate vehicle level When the vehicle level is outside the test tolerance.  
REFER TO SELF-DIAGNOSTIC SYSTEMS Connect STAR DIAGNOSIS and read out fault memory   AD00.00-P-2000-04A
Permissible difference in vehicle level at front axle between right and left sides of the vehicle *BE40.20-P-1002-02O 
Permissible difference in vehicle level at rear axle between right and left sides of the vehicle
IMPORTANT Possible cause, if the vehicle level is not OK after calibration:
  • Attachment of level sensor is misshapen.
 *BE40.20-P-1002-03O 
7 Adjust headlamps Only if the vehicle level has been calibrated.  
REFER TO MAINTENANCE Check and correct headlamp adjustment AP82.10-P-8260SX
CHECK VALUES FOR VEHICLE LEVEL AT FRONT AXLE

Number Designation Model 216 except 4MATIC Model 216 4MATIC
BE40.20-P-1001-02O Vehicle level - front axle ∠° +1.1 (±1.6) +3.0 (±1.6)
BE40.20-P-1002-02O Permissible difference in vehicle level between right and left side of vehicle When checking ∠° 0.8 0.8
When calibrating with Star Diagnosis ∠° 0.5 0.5
CHECK VALUES FOR VEHICLE LEVEL AT FRONT AXLE

Number Designation Model 221 except (code Z07), except (code Z07+Z19), except 4MATIC, except engine 651 Model 221 with 4MATIC, with engine 651
BE40.20-P-1001-02O Vehicle level - front axle ∠° +1.9 (±1.6) +4.7 (±1.6)
BE40.20-P-1002-02O Permissible difference in vehicle level between right and left side of vehicle When checking ∠° 0.8 0.8
When calibrating with Star Diagnosis ∠° 0.5 0.5
CHECK VALUES FOR VEHICLE LEVEL AT FRONT AXLE

Number Designation Model 221 with (code Z07), with (code Z07+Z19)
BE40.20-P-1001-02O Vehicle level - front axle ∠° +3.2 (±1.6)
BE40.20-P-1002-02O Permissible difference in vehicle level between right and left side of vehicle When checking ∠° 0.8
When calibrating with Star Diagnosis ∠° 0.5
CHECK VALUES FOR REAR AXLE VEHICLE LEVEL CONTROL

Number Designation Model 216 except 4MATIC Model 216 4MATIC
BE40.20-P-1001-03O Vehicle level - rear axle ∠° -2.5 (±1.0) - 1.9 (±1.0)
BE40.20-P-1002-03O Permissible difference in vehicle level between right and left sides of the vehicle When checking ∠° 0.5 0.5
When calibrating with Star Diagnosis ∠° 0.3 0.3
CHECK VALUES FOR REAR AXLE VEHICLE LEVEL CONTROL

Number Designation Model 221 except (code Z07), except (code Z07+Z19), except 4MATIC, except engine 651 Model 221 with 4MATIC, with engine 651
BE40.20-P-1001-03O Vehicle level - rear axle ∠° - 1.9 (±1.0) -1.0 (±1.0)
BE40.20-P-1002-03O Permissible difference in vehicle level between right and left sides of the vehicle When checking ∠° 0.5 0.5
When calibrating with Star Diagnosis ∠° 0.3 0.3
CHECK VALUES FOR REAR AXLE VEHICLE LEVEL CONTROL

Number Designation Model 221 with (code Z07), with (code Z07+Z19)
BE40.20-P-1001-03O Vehicle level - rear axle ∠° -1.0 (±1.0)
BE40.20-P-1002-03O Permissible difference in vehicle level between right and left sides of the vehicle When checking ∠° 0.5
When calibrating with Star Diagnosis ∠° 0.3
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