Diagnose Warning Lights Mercedes-Benz GLA-Class X156 2014-2019

Is there a warning light displayed on your Mercedes-Benz GLA-Class dashboard? This guide is a step-by-step procedure on how to diagnose warning lights on the cluster of a 2014-2019 Mercedes-Benz GLA250 X156 using a YOUCANIC scanner.

What you will need

• YOUCANIC Multi-System Scanner

The YOUCANIC Full System Scanner can read and clear fault codes through every vehicle’s control module.

Procedure

1. Unlock the vehicle, insert the key into the ignition switch, and turn it into accessories.
2. Connect the scanner to the vehicle and search the vehicle’s model by going to the manually select or automatically select on the scanner. Then press ok to confirm.

   

3. Select the chassis on the scanner and press ok.
4. Select the ESP or Electronic Stability Program.
5. Check the wheel speed sensor by going to the datastream and selecting the wheel speed menu.

   

6. If there’s no problem with the wheel speed sensor, go back to the ESP menu and select read codes.

   

7. Press ok on the read codes, and the scanner will start scanning the vehicle.
8. Go back to the ESP menu, select erase codes, and press ok to start erasing codes that have not been removed.

   

9. Turn the ignition switch off and turn it to accessories again. Then go to the read codes on the scanner and start rescanning the vehicle.

   

10. Once the scanner shows the problem (Steering Angle Sensor), go back to the datastream.
11. Select sensors on the menu and go down to the steering wheel angle.

    

12. Move the steering wheel to check if the steering wheel angle sensor is working.

    

13. Start the vehicle, move the steering wheel, and check the sensor again. If the steering wheel angle is not moving on the scanner, then there’s a problem with the steering wheel angle sensor.

    

We hope you find the Diagnose Warning Lights Mercedes-Benz GLA-Class X156 2014-2019 guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.