Whether for your own security, for roadworthiness tests or to prevent a fine, making sure your turn signal bulbs are always working is imperative. In fact, bulbs are wearing devices that will inevitably burn out after a while and therefore need to be swapped out. You’re most likely in this article because one of your rear turn signals is burnt out and you’re wondering how to change the bulb of a rear turn signal on you Mercedes Benz GLA Class, we’ve created this post to enable you do it without any help without having to go to your mechanic. In a first step, we will check out inspecting a burnt-out rear turn signal bulb on your Mercedes Benz GLA Class and in a second part, how to change the rear turn signal bulb on your Mercedes Benz GLA Class.

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How to find out if the rear turn signal bulb on your Mercedes Benz GLA Class is burnt-out or needs to be changed?

When you drive your car you don’t always have the opportunity to check all the security features of your Mercedes Benz GLA Class. In fact, you are more often than not on the go and are likely to get into your car, make your journey and put it down straight away without taking the time to do an occasional check-up. It is therefore important to make the effort to on occasions check the condition of your headlights and turn signals. It’s quite possible that you have a burnt-out rear turn signal on your Mercedes Benz GLA Class, but you didn’t notice it. Here are the two simple solutions to check if a rear turn signal on your car is out of order or if you need to change it as soon as possible:

  • When you stop, turn on the ignition on your Mercedes Benz GLA Class, then alternately turn on your left and right rear turn signals and get out of the car to check that they are working.
  • By paying attention to the sound of your turn signals. In truth, there is an audible indicator on each car that informs you of a rear turn signal bulb burnt out on your Mercedes Benz GLA Class, you will recognise that the time between each “click” is much closer, this suggests that that you will have to change the rear turn signal bulb or before. It’s up to you to check and validate which one is burnt out by a visual check as on the first strategy shown above.

You may have another bulb to change, like the one of your low beam Mercedes Benz GLA Class or your position lights on Mercedes Benz GLA Class, don’t be reluctant to browse our articles to help you to achieve this substitution.

Replacing the rear turn signal bulb on my Mercedes Benz GLA Class

Now let’s go to the most instersting part of this guideline, how to change the rear turn signal bulb on Mercedes Benz GLA Class? Take note that this operation is fairly simple, you will need to access, from the inside of your trunk, your headlight unit, open it and change the burnt out rear turn signal bulb on your car. If it is a bulb on your front turn signal on your Mercedes Benz GLA Class, see our dedicated article. However, here are the full description to follow to be able to accomplish this work correctly:

  • To access the tail light set up, remove the carpeting or plastic cover to access the tail light assembly.
  • Use a screwdriver or torx wrench (6-pointed star) to open the tail light assembly.
  • Remove the rear indicator bulb from your burnt-out turn signal that you have sooner diagnosed by an external visual inspection, for this you will need to make a quarter turn in a counter-clockwise direction
  • Change the rear turn signal bulb on your Mercedes Benz GLA Class. There are two sort of bulbs, transparent bulbs when the cover is orange, or orange bulbs when the cover is transparent, choose the right model for your car
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  • Remount your rear turn signal bulb and close your tail light block, then, check your new turn signal bulb is functioning in the right way

If you want more tutorials on the Mercedes Benz GLA Class, go to our Mercedes Benz GLA Class category.