Today we will try to help you fix a issue that can be irritating, and if not handled on time become a financial drain. Obviously, distinguishing a leak on your car is never reassuring, and it is even less calming when it’s a gearbox leak on your Mercedes Cla . Today, 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, at last, give you an idea of the price of the gearbox of a Mercedes Cla.

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Gearbox leak on Mercedes Cla, source and symptom

If you have noticed an oil stain on the ground, you will need to ensure that this leak is obviously caused by the gearbox of your Mercedes Cla. To accomplish 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 validated, here are the possible origins of this transmission leak:

  • A gearbox cap: If it’s improperly screwed on…
  • Defective torque converter: Only present 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 Cla?

After discovering the different origins of a gearbox or transmission oil leak on your Mercedes Cla, we will try to describe to you what are your possibilities to remedy this oil leak. Be aware that whatever the case, after having distinguished a leak, you must go to a garage area to distinguish the exact source of the leak, otherwise your gearbox may be irreparably damaged. Nevertheless, here is how the service of the garage area and the solutions that will be offered to you:

  • Very often to distinguish the leak, the auto technician 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 technician will replace it and reassemble the gearbox of your Mercedes Cla, otherwise you’ll have to replace 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 Cla?

There aren’t many alternatives to avoid gearbox leaks on your Mercedes Cla , however 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 task, please go through our content page 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 locate some for a few dozen euros at Oscaro.

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Price of a Mercedes Cla gearbox

Finally, we would like to give you an idea of how much it costs to replace the gearbox of a Mercedes Cla. As you have realized, gearbox problems often lead to a complete replace of this part. It is tricky to give you a precise price because based on the garage area the labour can vary quite a lot and based on your engine the part will as well have a different price, however, 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.

Whenever you have any further questions about the Mercedes Cla, do not hesitate to consult our Mercedes Cla category.