It doesn’t matter if for your personal safety, for roadworthiness testing or to avoid a fine, by ensuring your turn signal bulbs are always working is necessary. Indeed, bulbs are wearing parts that will definitely burn out as time passes and as a result need to be replaced. You’re most likely 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 GLS Class, we’ve written and published this article content to help you do it alone and not have to go to your mechanic. In a first part, we will examine the checking a burnt-out front turn signal bulb on your Mercedes Benz GLS Class and in a second part, how to change the front turn signal bulb on your car..

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How to discover if the front turn signal bulb on your Mercedes Benz GLS Class is burnt out or needs to be changed?

When you drive your motor vehicle you don’t always have the opportunity to examine all the safety features of your Mercedes Benz GLS Class. Indeed, you are mostly in a hurry and tend to get into your motor vehicle, make your journey and put it down instantly without taking the time to do an unexpected check-up. It is consequently fundamental to take the time to once in a while examine the state of your headlights and turn signals. It’s quite possible that you have a front turn signal on your Mercedes Benz GLS Class, but that you didn’t become aware of it. Here are the two simple ways to verify if a front turn signal is burnt out or if you need to change it promptly:

  • 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 verify that they are functional.
  • By hearing to the sound of your blinkers. Indeed, there is an audible indication on each car that informs you of a front turn indicator bulb burnt out on your Mercedes Benz GLS 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 examine and make sure which one is burnt out by a visual verify as on the first solution shown above.

You may have another bulb to change, like the one of your low beam or your position lights, don’t be reluctant to consult our articles to help you to carry out this replacement.

Changing the front turn signal bulb on your Mercedes Benz GLS Class

Now let’s go to the main part of this article content, how to change the front turn signal bulb of your Mercedes Benz GLS Class? You should be aware that this task is uncomplicated, you will have to access, from the inside of your bonnet, through the wheel arch, or simply by your bumper to your headlight unit, open it and change the burnt out front turn signal bulb of your Mercedes Benz GLS Class. If it is a bulb on your rear turn signal, see our special article content. On the other hand, here are the details of the actions to follow in order to execute this action properly dependant on the technique you wish to adopt.

Change front turn signal bulb on your Mercedes Benz GLS 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 GLS Class by the new one (make certain to examine if it’s an orange or transparent bulb).
  • Reassemble and test that the brand-new front turn signal bulb is effective.

    • Change the front turn signal bulb of your Mercedes Benz GLS Class through the wheel arch:

    This solution is specially useful 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 steps as on the part previously seen.

    Change the front turn signal bulb of your Mercedes Benz GLS 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 procedure, we will explain them now:

    • Put your Mercedes Benz GLS 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. Beware with the plastic staples which can be fragile.
    • Remove your headlight block and change the front turn indicator bulb of your Mercedes Benz GLS Class following the steps seen in the parts seen earlier.
    • Put the whole thing back together again.

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