Whether for your own safety, for roadworthiness evaluation or to avoid a fine, ensuring your turn signal bulbs are constantly functioning is extremely important. In reality, bulbs are wearing parts that will predictably burn out as time passes and as a result need to be replaced. You’re most likely on this page because one of your rear turn signals is burnt out and you’re worried about how to change the bulb of a rear turn signal on you Mercedes Classe S, we’ve put into writing this content to teach you do it all on your own without having to go to your auto technician. In a first step, we will take a look at the checking a burnt-out rear turn signal bulb on your Mercedes Classe S and in a second part, how to change the rear turn signal bulb on your Mercedes Classe S.

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How do you know if the rear turn signal bulb on your Mercedes Classe S is burnt-out or needs to be replaced?

When you drive your vehicle you don’t constantly have the possibility to check all the safety features of your Mercedes Classe S. In reality, you are more often than not in a rush and are likely to get into your vehicle, make your journey and put it down instantly without taking the time to do an occasional check-up. It is as a result essential to spend some time to occasionally 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 Classe S, but you didn’t identify it. Here are the two simple techniques to check if a rear turn signal on your car is out of order or if you need to change it quickly:

  • When you stop, turn on the ignition on your Mercedes Classe S, then alternately turn on your left and right rear turn signals and get out of the car to check that they are operational.
  • By paying attention to the sound of your turn signals. In truth, there is an audible signal on each car that informs you of a rear turn signal bulb burnt out on your Mercedes Classe S, you will realize that the time between each “click” is much closer, this means 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 approach shown above.

You may have another bulb to change, like the one of your low beam Mercedes Classe S or your position lights on Mercedes Classe S, don’t hesitate to browse our publications to help you to realize this substitution.

Changing the rear turn signal bulb on my Mercedes Classe S

Now let’s go to the most instersting part of this article, how to change the rear turn signal bulb on Mercedes Classe S? Please note that this procedure is quite 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 Classe S, see our specific content. On the other hand, here are the detailed steps to follow in order to carry out this act correctly:

  • To access the tail light assembly, take off 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.
  • Take out the rear indicator bulb from your burnt-out turn signal that you have earlier in this article diagnosed by an external visual inspection, for this you will need to make a quarter turn in a counter-clockwise way
  • Replace the rear turn signal bulb on your Mercedes Classe S. There are two kind of bulbs, transparent bulbs when the cover is orange, or orange bulbs when the cover is transparent, select the right model for your car
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  • Put back in place your rear turn signal bulb and close your tail light block, then, check your new turn signal bulb is operating in the right way

In the event that you have any further questions about the Mercedes Classe S, do not hesitate to consult our Mercedes Classe S category.