Whether for your own security, for roadworthiness testing or to avoid a fine, ensuring your turn signal bulbs are always functioning is extremely important. Indeed, bulbs are wearing parts that will predictably burn out as time passes and therefore need to be changed. You’re perhaps 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 A 4, we’ve made this document to help you do it all on your own and not have to go to your mechanic. In a first step, we will have a look at the checking a burnt-out front turn signal bulb on your Mercedes Classe A 4 and in a second step, how to change the front turn signal bulb on your car..

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How to know if the front turn signal bulb on your Mercedes Classe A 4 is burnt out or needs to be changed?

When you drive your vehicle you don’t constantly have the possibility to check all the security features of your Mercedes Classe A 4. Indeed, you are often in a rush and tend to get into your vehicle, make your trip and put it down immediately without taking the time to do an periodic check-up. It is therefore fundamental to take the time to occasionally check the condition of your headlights and turn signals. It’s quite possible that you have a front turn signal on your Mercedes Classe A 4, but that you didn’t detect it. Here are the two simple ways to control if a front turn signal is burnt out or if you need to swap 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 control that they are functioning.
  • By hearing to the sound of your blinkers. Indeed, there is an audible sign on each car that informs you of a front turn indicator bulb burnt out on your Mercedes Classe A 4, you will notice that the time between each “click” is much shorter, this denotes that you will have to change the front turn signal bulb or before. It’s up to you to check and check out which one is burnt out by a visual control as on the first process 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 browse our blog posts to help you to accomplish this replacing.

Changing the front turn signal bulb on your Mercedes Classe A 4

Now let’s go to the most important step of this document, how to replace the front turn signal bulb of your Mercedes Classe A 4? You should be aware that this procedure is quite simple, you will need 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 A 4. If it is a bulb on your rear turn signal, see our specific document. However, here are the details of the guidelines to follow to be able to perform this action efficiently according to the approach you desire to adopt.

Replace front turn signal bulb on your Mercedes Classe A 4 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 A 4 by the new one (make sure to check if it’s an orange or transparent bulb).
  • Reassemble and test that the new front turn signal bulb works.
  • Replace the front turn signal bulb of your Mercedes Classe A 4 through the wheel arch:

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

    • Lift your car, and remove the front wheel on the side you want to operate 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 A 4 through the bumper:

    On some years or finishes, dependant 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 A 4 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 vulnerable.
    • Take away your headlight block and swap the front turn indicator bulb of your Mercedes Classe A 4 following the steps seen in the parts seen earlier.
    • Put the whole thing back together again.

    If you need more guides on the Mercedes Classe A 4, go to our Mercedes Classe A 4 category.