Replace Tail Light Assembly & Signal Light Mercedes-Benz 2014-2019 X156

Replace Tail Light Assembly & Signal Light Mercedes-Benz 2014-2019 X156

Is the tail light assembly of your Mercedes-Benz GLA broken, and the turn signal light is also not working? Learn how to fix the problem by replacing the tail light assembly and turn signal light bulb of your vehicle. This guide is a step-by-step instruction on replacing the outer tail light assembly and signal light bulb of a 2014-2019 Mercedes-Benz GLA250 X156.

What you will need

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  • Philips screwdriver
  • Py21w Light Bulb (Natural Amber)

Procedure

  1. Unlock the vehicle and open the trunk.Opened trunk of the Mercedes-Benz GLA250.
  2. Remove the trunk panel on the driver’s side of the vehicle. Twist the tab counterclockwise and pull the panel out.Removing the trunk panel behind the outer tail light assembly.
  3. Remove the wing nut bolt behind the outer tail light assembly by twisting it counterclockwise.Twisting the wing nut holding the outer tail light assembly.
  4. Push the outer tail light out of the vehicle to remove it.
  5. Disconnect the electrical connector of the tail light assembly by pushing the clip and pulling the connector out.Disconnecting the electrical connector of the outer tail light.
  6. Remove the screws of the cover behind the tail light assembly. Use a Philips screwdriver to remove the screws.The cover behind the tail light assembly.Removing the screws of the cover.
  7. Pull the cover out.Pulling the cover behind the tail light assembly.
  8. The turn signal light bulb is on the other side of the cover. Twist the light bulb counterclockwise to remove it.The turn signal light bulb of the Mercedes-Benz GLA250.
    Twisting the turn signal light bulb.

  9. Get the new light bulb and line it up back to the cover. Then twist it clockwise to lock it in place.Installing the new light bulb of the turn signal light.
  10. Line up the cover back to the tail light assembly and reinstall the screws on the cover.Reinstalling the cover and light bulbs back to the tail light assembly.
  11. Reconnect the electrical connector back to the tail light assembly and push the tail light assembly back to the vehicle.Reinstalling the outer tail light assembly back to the vehicle.
  12. Reinstall the wing nut and twist it clockwise to tighten.Installing the wing nut back to the tail light assembly.
  13. Reinstall the trunk panel and twist the tab clockwise to lock it in place.Installing the panel back to the vehicle.
  14. Check the new light bulb by turning on the turn signal light.Checking the new turn signal light of the Mercedes-Benz GLA250.

We hope you find the Replace Tail Light Assembly & Signal Light Mercedes-Benz 2014-2019 X156 guide helpful. Check these troubleshooting and repair guides for more help on your Mercedes-Benz.

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