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

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

So we will start our content with the reasons of the stuck wipers of your Mercedes Classe E 4 . First of all 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 E 4 stuck in up or down position?

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

  • One of the most common causes of front wipers getting stuck on your Mercedes Classe E 4 is associated with the engine unit that drives them, in fact, these engines can, over time, lose power, and sooner or later need to be changed. You should find out before the total blockage of your windshield wipers that they work much slower.
  • Less common, but it can still happen, is that your front wiper blades are blocked as a result of an object that prevents the blades from working, examine up to the axis of the blades.
  • If it is a lack of lubrication, you will find that your front wipers are going slower, check quickly the cause of the trouble or else the engines will be forced and damaged.
  • It is possible that the front wipers of your Mercedes Classe E 4 may not operate as a result of a defective 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 E 4 are blocked as a result of a power failure, so you will have to check two parts, the relay and the fuse.

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

Concerning the stuck rear window wiper of your Mercedes Classe E 4 , the roots of your problems are more or less the same. Although there is just one wiper blade at the rear of your car, there are still some dedicated parts that can trigger complications just on the rear windshield of your Mercedes Classe E 4. So, make sure to accomplish similar inspections as seen in the previous part of this content.

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

Finally, to do this second part, we will see what solutions are available to you to make certain that the wipers on your Mercedes Classe E 4 are unlocked and that they operate properly again.

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

Whether it is for the front windshield wipers or the rear windshield wiper, the solutions will be similar and we will outline them one after the other 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 E 4, do not hesitate to consult our article on this issue.

  • In such a case, you will have to find the engine unit, then disconnect the power cables of this one (be cautious there must be several of them associated with the different speeds of sweeping), then remove the brushes and the linkage. Finally, you will have to unscrew these anchoring points which are generally fixed on silentblocks and reassemble a new wiper motor on your Mercedes Classe E 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 E 4 wiper blocked caused by a power failure: In this last situation, you will have to find the source of the failure (fuse or relay) and replace the defective part

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To get more tips on the Mercedes Classe E 4, take a look at the Mercedes Classe E 4 category.