On this page we will try to help you resolve a issue that can be annoying, and if not handled on time become a financial drain. In fact, distinguishing a leak on your vehicle is rarely reassuring, and it is even less calming when it’s a gearbox leak on your Mercedes Classe A 4 . In this article, we’re going to help you confirm that it’s in actual fact a gearbox leak, then, how to repair a gearbox or transmission leak, then, give you some prevention tips, and, at last, give you an indication of the price of the gearbox of a Mercedes Classe A 4.
Gearbox leak on Mercedes Classe A 4, origin and symptom
If you have detected an oil stain on the ground, you will need to verify that this leak is in actual fact caused by the gearbox of your Mercedes Classe A 4. To do this, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be caused by your gearbox sump or an adjacent room. Once confirmed, here are the possible sources of this transmission leak:
- A gearbox cap: If it’s improperly screwed on…
- Defective torque converter: Just equipped on automatic gearboxes.
- From the transmission oil sump: In case it is cracked or broken
- One of your seals broken
How to fix a gearbox leak on Mercedes Classe A 4?
After discovering the different sources of a gearbox or transmission oil leak on your Mercedes Classe A 4, we will try to describe to you what are your possibilities to repair this oil leak. Realize that whatever the case, after having founded a leak, you must go to a garage to distinguish the exact origin of the leak, otherwise your gearbox may be irreparably broken. However, here is how the service of the garage and the solutions that will be offered to you:
- Very often to distinguish the leak, the auto technician will have to take apart your gearbox, which will involve a high labour cost.
- If you’re lucky and it’s just a gasket, your auto technician will replace it and reassemble the gearbox of your Mercedes Classe A 4, otherwise you’ll have to replace the whole gearbox
- Finally, for the do-it-yourselfers, it is possible to use a sealing kit which is only effective 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 A 4?
There aren’t many solutions to avoid gearbox leaks on your Mercedes Classe A 4 , nevertheless here are the three most effective:
- Regular oil changes on your gearbox deck.
- Drain your gearbox and put new oil in it. If you want to know everything about this manipulation, please go through our article on this subject.
- Use a particular additive for routine service of gearbox seals, these additives will restore flexibility and allow to plug moderate leaks, you will locate some for a few dozen euros at Oscaro.
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Price of a Mercedes Classe A 4 gearbox
Finally, we would like to give you an indication of how much it costs to replace the gearbox of a Mercedes Classe A 4. As you have realized, gearbox problems often lead to a whole replace of this part. It is tricky to give you a precise price because based on the garage the labour can vary quite a lot and based 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.
If you have any further questions about the Mercedes Classe A 4, do not hesitate to consult our Mercedes Classe A 4 category.
