Mercedes Calibrate Steering Angle Sensor
Supported coding features by StarCOM diagnostic tool https://www.obdtester.com/starcom
Steering Angle Sensor Calibration
What it does
- Calibrates the steering angle sensor (SAS)
- Provides accurate steering position data to:
- ESP
- ABS
- Active steering systems
- Ensures correct stability and driver assistance functions
When it is required
- After wheel alignment
- After steering or suspension repairs
- After replacing the steering angle sensor or steering column
- When ESP or steering warning lights are active
Conditions that must be met
- Front wheels pointing straight ahead
- Steering wheel centered
- Vehicle stationary on level ground
- Ignition ON, engine OFF
- Stable battery voltage
- No active ESP or steering fault codes
What happens during calibration
- Zero steering position is stored
- System learns full steering range
- Data is used for:
- Stability control
- Lane keeping systems
- Steering assist
If calibration is not performed
- ESP may intervene incorrectly
- Steering assistance may feel abnormal
- Warning lights may remain active
- Reduced driving safety
After calibration
- Verify steering angle in live data (near 0°)
- Perform a short test drive
- Confirm proper ESP and steering behavior
- Ensure no warning lights remain