Some routine service actions such as changing the engine oil might seem evident and important, although others such as changing the gearbox oil from its Mercedes Benz CLA Class may appear to be less natural. However, make no mistake, changing the gearbox is just as important as changing the engine oil. This guideline will show you the function of the gearbox oil, then, why it is important to change the gearbox of your Mercedes Benz CLA Class, and at last, how to change the gearbox oil of a Mercedes Benz CLA Class .

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Purpose of gearbox oil on a Mercedes Benz CLA Class

So we start our guideline with the function of gearbox oil on a Mercedes Benz CLA Class. The objective of this short introduction is to make you understand the benefit of this fluid which guarantees the good functioning of your car. The gearbox of your car has the objective to demultiply the power transmitted by the engine and send it back to your wheels . It is done up of pinions and gears that will allow the wheels to rotate at different speeds depending on the curves and the gear engaged. It will operate with the help of an axle and a differential. All these parts will need to be strongly lubricate to function correctly, limit friction and tolerate the high temperatures produced by the engine and friction. Your transmission oil has a high viscosity and will prevent the formation of filings or gear breakage, so it is necessary to the proper performing of the gearbox.

Why replacing the gearbox oil from a Mercedes Benz CLA Class?

Now we’ll see what’s the point of draining the gearbox oil of your Mercedes Benz CLA Class?

Interest of gearbox oil changing Mercedes Benz CLA Class

There are several interests to change the gearbox of your car frequently, we will list them and outline them below:

  • Over time, the oil will lose its viscosity due to friction and temperature rise, which will result in less lubrication of the gears and pinions and therefore risk to break some of them.
  • Same as viscosity, time and temperature rise will decrease the oil resistance to the engine temperature, So it will fluidize much more easily when the engine heats up, which is not good for your gearbox.
  • Accumulation of metallic residues: Finally, even if you constantly have a quality oil, a gearbox is an component that wears out and produces iron filings with friction, the oil will pick them up and if it builds up too much these residues can get into gears and break them.

When to do the gearbox oil change on a Mercedes Benz CLA Class?

If you want to do an automatic or manual gearbox oil change on Mercedes Benz CLA Class or strong> the process is not the same, however, dealers do not give mileage recommendations to change the oil in your gearbox, nevertheless when you do an intervention on the gearbox it is advisable to change it, in any other case here are the reasons to make you think about doing this oil change.

Oil change for manual gearbox Mercedes Benz CLA Class

  • Gears are jumping: you are probably missing oil and you may have a gearbox oil leak, please see our content on gearbox leaks on Mercedes Benz CLA Class for more information.
  • The gearbox cracks when you change gears: The oil has certainly lost viscosity and is too fluid, so the gears get stuck.
  • Difficulty to shift gears: Same issue as just before, the oil is absolutely too fluid.

Automatic gearbox oil change

  • A slow start from the neutral position to the first one: generally a viscosity issue.
  • Difficulty or even impossibility to shift gears: Lack of oil

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How to change gearbox oil of a Mercedes Benz CLA Class?

Finally, to finish this content, we will show you you how to empty the gearbox oil of your Mercedes Benz CLA Class , it’s less difficult than you might think, here are the few steps to stick to to do it correctly:

  • Heat your Mercedes Benz CLA Class for about 10 minutes to get a fluid oil, place it flat on 4 stands.
  • Install a drain pan under the drain plug, open it, and clean it well because it will probably gather filings.
  • Let all the oil run out until it’s all gone.
  • Replace and tighten the cap, then fill with a syringe through the filler cap with the manufacturer’s recommended dose

To find more tips on the Mercedes Benz CLA Class, take a look at the Mercedes Benz CLA Class category.