Today we will try to help you solve a issue that can be annoying, and if not taken in time become a financial drain. In fact, distinguishing a leak on your vehicle is hardly ever reassuring, and it is even less calming when it’s a gearbox leak on your Mercedes Classe B 3 . In this article, we’re going to help you verify that it’s obviously a gearbox leak, then, how to remedy a gearbox or transmission leak, then, give you some prevention tips, and, finally, give you an idea of the price of the gearbox of a Mercedes Classe B 3.
Gearbox leak on Mercedes Classe B 3, origin and symptom
If you have noticed an oil stain on the ground, you will need to confirm that this leak is obviously originating from the gearbox of your Mercedes Classe B 3. To do this, you will need to go under your vehicle and follow the oil leak. If it is transmission oil, it must be originating from your gearbox sump or an adjacent room. Once confirmed, here are the possible roots 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 fix a gearbox leak on Mercedes Classe B 3?
After discovering the different roots of a gearbox or transmission oil leak on your Mercedes Classe B 3, we will try to explain to you what are your possibilities to remedy this oil leak. Be aware that no matter the reason, after having distinguished a leak, you must go to a garage area to determine the exact origin of the leak, in any other case your gearbox might be irreparably damaged. However, here is how the service of the garage area 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 require a high labour cost.
- If you’re lucky and it’s just a gasket, your auto mechanic will replace it and reassemble the gearbox of your Mercedes Classe B 3, in any other case you’ll have to change the complete gearbox
- Finally, for the do-it-yourselfers, it is possible to use a sealing kit which is only 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 B 3?
There aren’t many alternatives to avoid gearbox leaks on your Mercedes Classe B 3 , 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 action, please go through our article on this subject.
- Use a specific additive for routine service of gearbox seals, these additives will restore flexibility and allow to plug slight leaks, you will find some for a few dozen euros at Oscaro.
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Price of a Mercedes Classe B 3 gearbox
Finally, we would like to give you an idea of how much it costs to change the gearbox of a Mercedes Classe B 3. As you have understood, gearbox problems often lead to a complete change of this part. It is difficult to give you a precise price because depending on the garage area the labour can vary a lot and depending on your engine the part 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 part alone costs between 400 and 1000 euros.
To find more tips on the Mercedes Classe B 3, take a look at the Mercedes Classe B 3 category.
