In this article we will try to help you fix a problem that can be frustrating, and if not taken in time become a financial drain. Surely, distinguishing a leak on your vehicle is never reassuring, and it is even less reassuring when it’s a gearbox leak on your Mercedes Classe Cls . In this article, we’re going to help you verify that it’s in fact a gearbox leak, then, how to repair a gearbox or transmission leak, then, give you some prevention suggestions, and, finally, give you an indication of the price of the gearbox of a Mercedes Classe Cls.

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Gearbox leak on Mercedes Classe Cls, origin and symptom

If you have identified an oil stain on the ground, you will need to validate that this leak is in fact originating from the gearbox of your Mercedes Classe Cls. To get this done, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be originating from your gearbox sump or an adjacent room. Once validated, here are the possible origins of this transmission leak:

  • A gearbox cap: If it’s incorrectly screwed on…
  • Defective torque converter: Only equipped on automatic gearboxes.
  • From the transmission oil sump: In the event it is cracked or damaged
  • One of your seals damaged

How to repair a gearbox leak on Mercedes Classe Cls?

After discovering the different origins of a gearbox or transmission oil leak on your Mercedes Classe Cls, we will try to explain to you what are your options to repair this oil leak. Bear in mind that whatever the case, after having identified a leak, you must go to a garage to determine the exact origin of the leak, otherwise your gearbox might be irreparably damaged. However, here is how the service of the garage and the solutions that will be offered to you:

  • Very often to determine the leak, the auto mechanic will have to dismantle your gearbox, which will involve a high labour cost.
  • If you’re lucky and it’s just a gasket, your auto mechanic will change it and reassemble the gearbox of your Mercedes Classe Cls, otherwise you’ll have to change the complete gearbox
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  • Finally, for the do-it-yourselfers, it is possible to use a sealing kit which is just powerful in the case of small leaks, this kit is worth around 40 euros

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Prevention: How to avoid gearbox leaks on your Mercedes Classe Cls?

There aren’t many alternatives to avoid gearbox leaks on your Mercedes Classe Cls , nevertheless here are the three most effective:

  • Frequent oil changes on your gearbox deck.
  • Drain your gearbox and put new oil in it. If you want to know everything about this task, please browse our content on this subject.
  • Use a specific additive for maintenance of gearbox seals, these additives will restore flexibility and allow to plug slight leaks, you will locate some for a few dozen euros at Oscaro.

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Price of a Mercedes Classe Cls gearbox

Finally, we would like to give you an indication of how much it costs to change the gearbox of a Mercedes Classe Cls. As you have realized, gearbox problems often lead to a complete change of this part. It is hard to give you a precise price because depending on the garage the labour can vary quite a lot and depending on your engine the component will as well have a different price, nevertheless, we estimate that the repair, labour included will cost you between 800 and 2000 euros , knowing that the component alone costs between 400 and 1000 euros.

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