On this page we will try to help you solve a issue that can be annoying, and if not taken in time become a financial drain. In truth, distinguishing a leak on your vehicle is never reassuring, and it is even less calming when it’s a gearbox leak on your Mercedes Classe S . In this article, we’re going to help you ensure that it’s indeed a gearbox leak, then, how to fix 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 S.
Gearbox leak on Mercedes Classe S, origin and manifestation
If you have spotted an oil stain on the ground, you will need to confirm that this leak is indeed based on the gearbox of your Mercedes Classe S. To achieve this, you will need to go under your car and follow the oil leak. If it is transmission oil, it must be based on your gearbox sump or an adjacent room. Once confirmed, here are the possible sources of this transmission leak:
- A gearbox cap: If it’s incorrectly screwed on…
- Defective torque converter: Only present on automatic gearboxes.
- From the transmission oil sump: In case it is cracked or damaged
- One of your seals damaged
How to fix a gearbox leak on Mercedes Classe S?
After discovering the different sources of a gearbox or transmission oil leak on your Mercedes Classe S, we will try to show you to you what are your possibilities to fix this oil leak. Be aware that whatever the case, after having determined a leak, you must go to a mechanic to identify the exact origin of the leak, otherwise your gearbox might be irreparably damaged. However, here is how the service of the mechanic and the solutions that will be offered to you:
- Very often to identify 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 S, otherwise you’ll have to change the complete gearbox
- At last, 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 S?
There aren’t many solutions to avoid gearbox leaks on your Mercedes Classe S , 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 browse our content on this subject.
- Use a particular additive for maintenance of gearbox seals, these additives will restore flexibility and allow to plug moderate leaks, you will find some for a few dozen euros at Oscaro.
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Price of a Mercedes Classe S gearbox
At last, we would like to give you an idea of how much it costs to change the gearbox of a Mercedes Classe S. As you have realized, gearbox problems generally lead to a complete change of this part. It is difficult to give you a precise price because depending on the mechanic the labour can vary quite a lot and depending on your engine the component will also 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.
If you have any further questions about the Mercedes Classe S, do not hesitate to consult our Mercedes Classe S category.
