Having a functioning windshield washer is one of the things you shouldn’t do without. First of all, we think of driving comfort, but it is necessary to know that this also implies your security at the wheel because of the importance of field of vision when driving your Mercedes Benz E Class.
In this article we will make clear step by step how to spot the fault and solve it in order to have an effective windscreen washer.
Identify the failure of the windscreen washer of your Mercedes Benz E Class:
First thing to check for before handling, have you filled your cleaning fluid? If so, let’s see what causes prevent your equipment from operating properly.


Causes for wipers that no longer work on your Mercedes Benz E Class

Very often, your equipment is obstructed by accumulated dirt or limescale. This is the main cause that may stop your equipment from working. To remedy this, try to unclog your sprinklers. These holes make it possible for the solution to be propelled onto your Mercedes Benz E Class’s windshield. It is very likely that they are clogged, by accumulation of limestone, or various types of dirt. To do this, you can start by trying to blow, yourself or with some efficient equipment, such as a bicycle pump or preferably the tire inflator at your gas station.

How to fix wipers that no longer work

If nothing can be done, try to get yourself a thin, durable thing, such as a paper clip, that will allow you to gain access to the interior without losing a piece. We recommend that you also use a mixture of vinegar and hot water to optimize your results.
Repeat the test, if it still doesn’t work, maybe it’s obstructed at a deeper place, at the connection pipe. This is the link between the pump and the nozzle in your Mercedes Benz E Class.
To reach it, you will have to open your cover:
You should identify the two hoses specific to each nozzle. Try to tidy them and obviously make sure they are properly connected. Use the same cleaning procedures described above. When they are cleaned, you should be capable to circulate water through them without any problems. Then plug them back in correctly, and repeat the test on your Mercedes Benz E Class. If it still doesn’t work, you now know that it doesn’t come from the sprinklers or the pipes.
After that, you should consequently check the pump. It is the one who starts the product launch.
You will find it near the cleaning fluid reservoir under your Mercedes Benz E Class’s hood.
First test to ascertain if it works, when you turn on the washer, you are supposed to hear a noise when the pump is activated. In the absence of noise, this means that it does not work. It will then have to be replaced.
It is a very simple thing to do . First, remove the two screws that allow it to be fixed on your Mercedes Benz E Class.
Then, you must identify two power wires. They are mainly black and red. They need to be disconnected, but be careful, they must be reconnected in the right direction afterwards, or you could create a short circuit on your Mercedes Benz E Class. A little tip to keep in mind: the red wire is a symbol of the + terminal. For example, place a piece of red tape on it to be certain you can find it. Do the same with the black tape on the bollard – . Thanks to this, you will be able to reconnect the wire of the right color without any difficulty later on.
Once completed, you can remove the old pump and insert the new pump on your Mercedes Benz E Class. Reconnect the cables properly using the tip, then just screw the two retaining screws back on.
Now run a test again.
Everything should be back to normal by now.

If perhaps you have any additional questions about the Mercedes Benz E Class, do not hesitate to consult our Mercedes Benz E Class category.