Regardless for your own safety, for roadworthiness testing or to avoid a fine, ensuring your turn signal bulbs are always functioning is very important. In fact, bulbs are wearing parts that will undoubtedly burn out in the future and therefore need to be changed. You’re most 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 Classe M, we’ve created this document to help you do it without hiring somebody and not have to go to your mechanic. In a first step, we will examine the checking a burnt-out front turn signal bulb on your Mercedes Classe M and in a second step, how to change the front turn signal bulb on your car..

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How to recognize if the front turn signal bulb on your Mercedes Classe M is burnt out or needs to be swapped out?

When you drive your vehicle you don’t always have the possibility to examine all the safety equipments of your Mercedes Classe M. In fact, you are in many cases in a hurry and tend to enter into your vehicle, make your trip and put it down immediately without taking the time to do an unexpected check-up. It is therefore relevant 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 Classe M, but that you didn’t become aware of it. Here are the two simple solutions to check if a front turn signal is burnt out or if you need to swap it 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 hearing to the sound of your blinkers. In fact, there is an audible sign on each car that alerts you of a front turn indicator bulb burnt out on your Mercedes Classe M, you will perceive that the time between each “click” is much closer, this means that you will have to replace the front turn signal bulb or before. It’s up to you to examine and check which one is burnt out by a visual check as on the first methodology shown above.

You may have another bulb to swap, like the one of your low beam or your position lights, don’t be reluctant to read our blog posts to help you to do this replacing.

Replacing the front turn signal bulb on your Mercedes Classe M

Now let’s go to the most important step of this document, how to replace the front turn signal bulb of your Mercedes Classe M? Please be aware that this process is uncomplicated, 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 replace the burnt out front turn signal bulb of your Mercedes Classe M. If it is a bulb on your rear turn signal, see our specific document. However, here are the details of the steps to stick to in order to conduct this act accurately dependant on the solution you desire to choose.

Change front turn signal bulb on your Mercedes Classe M 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 Classe M by the new one (ensure to examine if it’s an orange or transparent bulb).
  • Reassemble and test that the brand-new front turn signal bulb functions.

    • Change the front turn signal bulb of your Mercedes Classe M through the wheel arch:

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

    • Lift your car, and take off 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 swap 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 Classe M through the bumper:

    On some years or finishes, depending on the options the only simple access you will have to swap 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 technique, we will explain them right now:

    • Put your Mercedes Classe M 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 delicate.
    • Remove your headlight block and swap the front turn indicator bulb of your Mercedes Classe M following the steps seen in the parts seen above.
    • Put the whole thing back together again.

    If you wish more tutorials on the Mercedes Classe M, go to our Mercedes Classe M category.