Some routine service actions such as changing the engine oil might seem evident and fundamental, while others such as changing the gearbox oil from its Mercedes Benz GLC Class may seem to be less natural. However, make no mistake, changing the gearbox is just as essential as changing the engine oil. This article content will explain the role of the gearbox oil, then, why it is necessary to replace the gearbox of your Mercedes Benz GLC Class, and at last, how to replace the gearbox oil of a Mercedes Benz GLC Class .

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Purpose of gearbox oil on a Mercedes Benz GLC Class

So we start our article content with the role of gearbox oil on a Mercedes Benz GLC Class. The objective of this short introduction is to make you understand the interest of this fluid which guarantees the good performance of your motor vehicle. 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 made 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 work with the help of an axle and a differential. All these parts will need to be firmly lubricate to function properly, 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 important to the proper functioning of the gearbox.

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

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

Interest of gearbox oil changing Mercedes Benz GLC Class

There are some concerns to replace the gearbox of your motor vehicle regularly, we will list them and detail them below:

  • After a while, the oil will lose its viscosity because of 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 reduce 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, regardless if you always have a quality oil, a gearbox is an component that wears out and creates iron filings with friction, the oil will pick them up and if it gathers up too much these residues can get into gears and break them.

When to do the gearbox oil replace on a Mercedes Benz GLC Class?

If you want to do an automatic or manual gearbox oil change on Mercedes Benz GLC Class or strong> the procedure is not similar, however, dealers do not give mileage recommendations to replace the oil in your gearbox, however when you do an intervention on the gearbox it is advisable to replace it, otherwise here are the causes to make you think about doing this oil replace.

Oil replace for manual gearbox Mercedes Benz GLC Class

  • Gears are jumping: you are most likely missing oil and you may possibly have a gearbox oil leak, please discover our content page on gearbox leaks on Mercedes Benz GLC Class for more information.
  • The gearbox cracks when you switch gears: The oil has undoubtedly lost viscosity and is too fluid, so the gears get stuck.
  • Difficulty to shift gears: Same problem as just before, the oil is obviously too fluid.

Automatic gearbox oil replace

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

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How to replace gearbox oil of a Mercedes Benz GLC Class?

At last, to conclude this content page, we will explain you how to empty the gearbox oil of your Mercedes Benz GLC Class , it’s less difficult than you might think, here are the few guidelines to stick to to do it properly:

  • Heat your Mercedes Benz GLC 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 most likely 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 discover more tips on the Mercedes Benz GLC Class, take a look at the Mercedes Benz GLC Class category.