Regardless whether for your own security, for roadworthiness testing or to avoid a fine, making sure your turn signal bulbs are always operational is important. In reality, bulbs are wearing parts that will undoubtedly burn out over the years and consequently need to be replaced. You’re almost certainly in this article because one of your front turn signals is burnt out and you’re wondering how to change the bulb of a front turn signal on your Mercedes Benz S Class, we’ve created this document to help you do it alone and not have to go to your repair shop. In a first section, we will examine the checking a burnt-out front turn signal bulb on your Mercedes Benz S Class and in a second section, how to change the front turn signal bulb on your car..

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How to find out if the front turn signal bulb on your Mercedes Benz S Class is burnt out or needs to be replaced?

When you drive your car you don’t always have the opportunity to verify all the security equipments of your Mercedes Benz S Class. In reality, you are most likely in a hurry and tend to get into your car, make your journey and put it down immediately without taking the time to do an regular check-up. It is as a consequence fundamental to take the time to occasionally verify the state of your headlights and turn signals. It’s quite possible that you have a front turn signal on your Mercedes Benz S Class, but that you didn’t notice it. Here are the two simple techniques to check if a front turn signal is burnt out or if you need to change it rather quickly:

  • When you stop, turn on the ignition on your car, then alternately turn on your left and right front turn signals and get out of the car to check that they are operational.
  • By listening to the sound of your blinkers. In reality, there is an audible indicator on each car that informs you of a front turn indicator bulb burnt out on your Mercedes Benz S Class, you will find out that the time between each “click” is much shorter, this denotes that you will have to replace the front turn signal bulb or before. It’s up to you to verify and make sure which one is burnt out by a visual check as on the first procedure shown earlier mentioned.

You may have another bulb to change, like the one of your low beam or your position lights, don’t hesitate to consult our blog posts to help you to achieve this replacement.

Replacing the front turn signal bulb on your Mercedes Benz S Class

Now let’s go to the main section of this document, how to change the front turn signal bulb of your Mercedes Benz S Class? You should be aware that this operation is quite easy, you will have to access, from the inside of your bonnet, through the wheel arch, or through your bumper to your headlight unit, open it and change the burnt out front turn signal bulb of your Mercedes Benz S Class. If it is a bulb on your rear turn signal, see our specific document. On the other hand, here are the details of the actions to follow in order to execute this act properly according to the method you want to choose.

Replace front turn signal bulb on your Mercedes Benz S Class through the bonnet:

  • Open your bonnet and clear access to your headlight pods.
  • Use a torx tip to open the headlight unit on your car
  • Unscrew the front turn signal bulb from your car by turning it a quarter turn counterclockwise
  • Replace the front flasher bulb of your Mercedes Benz S Class by the new one (ensure to verify if it’s an orange or transparent bulb).
  • Reassemble and check that the brand-new front turn signal bulb works.
  • Replace the front turn signal bulb of your Mercedes Benz S Class through the wheel arch:

    This methodology is specially practical when you don’t have enough space in the bonnet to access the front turn signal on your car:

    • Lift your car, and take out the front wheel on the side you want to work on.
    • Take out your wheel arch with a torx bit.
    • Go to your headlamp block and change the front turn signal bulb on your car following the same procedures as on the part previously seen.

    Change the front turn signal bulb of your Mercedes Benz S Class through the bumper:

    On some years or finishes, based on the options the only simple access you will have to change the front turn signal bulb of your car will be to pass under your front bumper, there are only a few steps that change from the full process, we will point them now:

    • Put your Mercedes Benz S Class on a jack or a candle.
    • Remove the screws of the motor shoe of your car(plastic part under your motor) and your shock absorber. Be cautious with the plastic staples which can be breakable.
    • Remove your headlight block and change the front turn indicator bulb of your Mercedes Benz S Class following the steps seen in the parts seen previously.
    • Put the whole thing back together again.

    If you need more tutorials on the Mercedes Benz S Class, go to our Mercedes Benz S Class category.