Trouble code P0720 for the ML350 (W163) indicates a malfunction in the output speed sensor circuit, which can affect the vehicle's transmission performance and shift timing. Code P0500 refers to an issue with the vehicle speed sensor, which can lead to inaccurate speed readings and impact systems reliant on speed data, such as the ABS and traction control. Both codes suggest potential electrical failures, damaged sensors, or wiring issues that need to be diagnosed and repaired to restore proper vehicle function.
Trouble code P0720 means:Output speed sensor circuit malfunction
Trouble code P0720 means:Output speed sensor circuit malfunction
Trouble code P0720 means: A/T Output Shaft Speed Sensor Insufficient Input
Trouble code P0720 means: Output Shaft Speed Sensor Circuit
Trouble code P0720 means:Output speed sensor circuit malfunction
Trouble code P0720 means:Output speed sensor circuit malfunction
Trouble code P0717 means:Input/turbine speed sensor circuit no signal Trouble code P0720 means:Output speed sensor circuit malfunction
Trouble code P0720 means: A/T Output Speed Sensor - Low Output Above 15 MPH
The P0500 code indicates a malfunction in the vehicle speed sensor circuit, while the P0720 code refers to a problem with the output speed sensor. On a 2000 Mercedes-Benz ML320, the vehicle speed sensor is typically located on the transmission, and the output speed sensor is found on the transmission housing as well. For parts, the vehicle speed sensor is often part number A0005402017, and the output speed sensor is typically A0005401617, though it's best to verify with a parts supplier for your specific vehicle.
This code is defined as: Output Speed Sensor Circuit
Trouble code P0720 means:Output speed sensor circuit malfunction
Trouble code P0720 means:Output speed sensor circuit malfunction