We will try again today to help you to fix the small complications associated with your motor vehicle. We have not too long ago discovered how to unblock a fuel door, or a tank cap, today we will look into an annoying issue that can be dangerous in bad climate conditions, being a victim of wiper stuck on Mercedes Classe A 4 . And to correct this, we will first try to discover why the wipers on your Mercedes Classe A 4 remain stuck and, secondly, how to unblock them.

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Why does the wiper of my Mercedes Classe A 4 stay stuck?

So we will start our article with the reasons of the stuck wipers of your Mercedes Classe A 4 . To begin with we will look into the front wipers and in a second time on the rear wiper.

Why are the front wipers on my Mercedes Classe A 4 stuck in up or down position?

We will go through one by one the different complications that can trigger the front wipers of your Mercedes Classe A 4 to get stuck :

  • One of the most basic motives of front wipers getting stuck on your Mercedes Classe A 4 is associated with the engine that drives them, in reality, these engines can, over time, lose power, and sooner or later need to be changed. You should notice before the total blockage of your windshield wipers that they work much slower.
  • Less basic, but it can still happen, is that your front wiper blades are blocked because of an object that prevents the blades from working, have a look up to the axis of the blades.
  • If it is a lack of lubrication, you will find that your front wipers are going slower, verify fairly quickly the trigger of the trouble or else the engines will be forced and damaged.
  • It is possible that the front wipers of your Mercedes Classe A 4 may not work because of a faulty comodo. To check this, you need to disconnect the output wires and connect them together, if the wipers are working, the comodo is responsible for the problem.
  • Finally, last possibility, the front wipers of your Mercedes Classe A 4 are blocked because of a power failure, so you will have to verify two auto parts, the relay and the fuse.

Why is the rear window wiper on my Mercedes Classe A 4 stuck?

Concerning the stuck rear window wiper of your Mercedes Classe A 4 , the origins of your complications are more or less the same. Although there is only one wiper blade at the rear of your motor vehicle, there are still some dedicated auto parts that can trigger complications only on the rear windshield of your Mercedes Classe A 4. So, remember to execute similar checks as discovered in the previous part of this article.

What can I do to unlock the wiper on my Mercedes Classe A 4?

At last, to do this second part, we will see what solutions are available to you to make sure that the wipers on your Mercedes Classe A 4 are unlocked and that they work properly again.

How to unlock the wipers of my Mercedes Classe A 4?

Whether it is for the front windshield wipers or the rear windshield wiper, the solutions will be similar and we will detail them one by one in this part, it is up to you to adapt them to the part that concerns you. If you have other blocking complications such as a fuel door stuck on Mercedes Classe A 4, do not hesitate to seek advice from our article on this issue.

  • In this case, you will have to locate the engine, then disconnect the power cables of this one (be careful there must be some of them associated with the different speeds of sweeping), then remove the brushes and the linkage. At last, you will have to unscrew these anchoring points which are generally fixed on silentblocks and reassemble a new wiper motor on your Mercedes Classe A 4

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  • In this situation, it will be quite basic but expensive to change your commodo, the part generally costs around 200€, once tested you will be able to disassemble your commodo by removing the cover from the back of the steering wheel then disconnecting it and removing it with the fixing screws, you will just have to reassemble the new one.
  • Mercedes Classe A 4 wiper blocked because of a power failure: In this last situation, you will have to locate the source of the failure (fuse or relay) and replace the faulty part

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In the event that you have any additional questions about the Mercedes Classe A 4, do not hesitate to consult our Mercedes Classe A 4 category.