How to Code Mercedes Transmission for P07B700 Using Autel Ultra Lite

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If your Mercedes-Benz has trouble code P07B700, it means the parking lock sensor A is intermittently malfunctioning, as indicated by the engine management light. To replace and code the sensor yourself, you can use the Autel MaxiCOM Ultra Lite diagnostic tool to reprogram the transmission.

Coding Procedure with Autel Ultra Lite

Access Special Features
Navigate to: Special Features >> Learning Process >> Learning the Parking Lock Position Sensor.
Ensure the Following Requirements Are Met:

Transmission oil is properly filled.
Brake pedal is pressed and held.
Transmission is in gear, neutral, or parking lock.
Engine is idling.
Ignition is on and the vehicle is stationary.
Driving Authorization Status is active.

Follow the On-Screen Prompts:

Press Next to start the process.
The system will perform a control unit reset. Wait for it to complete.

Completion:
Once the reset is finished, you’ll see a confirmation that the process was successful.