Some routine service actions such as changing the engine unit oil might seem evident and important, although others such as changing the gearbox oil from its Mercedes A class may seem less natural. Nevertheless, make no mistake, changing the gearbox is just as important as changing the engine unit oil. This content page will show you the role of the gearbox oil, then, why it is vital to replace the gearbox of your Mercedes A class, and at last, how to replace the gearbox oil of a Mercedes A class .
Function of gearbox oil on a Mercedes A class
So we begin our content page with the role of gearbox oil on a Mercedes A class. The objective of this short introduction is to make you understand the interest of this fluid which assures the good performance of your car. The gearbox of your car has the objective to demultiply the power transmitted by the engine unit 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 action correctly, limit friction and tolerate the high temperatures built by the engine unit 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 correct functioning of the gearbox.
Why changing the gearbox oil from a Mercedes A class?
Now we’ll find out what’s the point of draining the gearbox oil of your Mercedes A class?
Benefit of gearbox oil changing Mercedes A class
There are several concerns to replace the gearbox of your car regularly, we will list them and outline them below:
- With time, the oil will lose its viscosity caused by friction and temperature rise, which will bring about 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 unit 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 element that wears out and produces iron filings with friction, the oil will pick them up and if it accumulates too much these residues can get into gears and break them.
When to do the gearbox oil replace on a Mercedes A class?
If you want to do an automatic or manual gearbox oil change on Mercedes A class or strong> the process is not similar, however, dealers do not give mileage recommendations to replace the oil in your gearbox, on the other hand when you do an intervention on the gearbox it is advisable to replace it, otherwise here are the reasons to make you think about doing this oil replace.
Oil replace for manual gearbox Mercedes A class
- Gears are jumping: you are most likely missing oil and you may have a gearbox oil leak, please find out our content page on gearbox leaks on Mercedes A class for more info.
- The gearbox cracks when you change gears: The oil has absolutely lost viscosity and is too fluid, so the gears get stuck.
- Difficulty to shift gears: Same problem as just before, the oil is certainly too fluid.
Automatic gearbox oil replace
- A slow begin 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 A class?
At last, to finish this content page, we will show you you how to empty the gearbox oil of your Mercedes A class , it’s much easier than you might presume, here are the few guidelines to stick to to do it correctly:
- Heat your Mercedes A 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 suggested dose
To get more tips on the Mercedes A class, take a look at the Mercedes A class category.
