Learning to drive a car is not constantly easy, and occasionally it may seem like a good solution to select an automatic Mercedes Classe M, whether it’s for basic comfort or ease of use, this sort of transmission is becoming more and more common. However, although they may seem like the best choice, there may as well be complications with the automatic gearboxes of your Mercedes Classe M . This is precisely the subject of our content. First, we’ll briefly explain the different types of automatic gearboxes, then, in a second step, which complications you may face with the gearbox of your Mercedes Classe M , and, at last, how to resolve them.
The different types of automatic gearbox of a Mercedes Classe M
Gearboxes have the benefit of being reputed to be solid, as you don’t need to use your clutch pedal and every thing is electronically and mechanically managed there will be no early wear of your clutch or other parts that could be put to the test by misuse on your part.
However, based on the sort of automatic transmission your Mercedes Classe M is equipped with you will have more or less reliability, we will present them to you now:
- Classic automatic gearbox: It will use a torque converter, which will manage the gear changes, it’s the oldest technology, it has evolved a lot in the last decades (more gears and a better management of the gear changes).
- Robotized automatic gearbox: This is a manual gearbox with a robotized system that will change the driver’s action. This sort of gearbox is less and less general because they are thought to be very slow. We as well quite often feel a coupling during deceleration.
- Dual-clutch automatic transmission: This is the greatest automatic transmission, it works on similar concept as the robotic transmission, but thanks to its dual clutch, you won’t have any more complications with slow speeds or elevated fuel consumption. They are often equipped on luxury models.
- Continuously variable automatic box: It is similar concept as on a scooter, a variator will come to control the differences between acceleration and motor speed, they are especially slow and tend to be unresponsive during the acceleration phases of your Mercedes Classe M.
I’m having complications with the automatic transmission on my Mercedes Classe M
We now begin the part that definitely attracts you the most in this article, what are the complications you may come across with the automatic transmission of your Mercedes Classe M? As revealed earlier, generally speaking they are more reliable than manual transmissions, however, here are the main complications you may face:
- As described above, no matter what sort of automatic gearbox, they are quite often known to be slow and have inertia when accelerating. However, this phenomenon is supposed to happen only when the car is started, not when it is launched. If it feels like it happens constantly, the clutch or converter is likely dead.
- I have the feeling that a gear in the automatic transmission of my Mercedes Classe M no longer shifts or jumps: If you have the feeling that your gears no longer shift or tend to jump on your Mercedes Classe M, there is a part that is most likely responsible for this failure. Indeed, the solenoid that works as a “switch” to engage the gears must not be working properly, second option, a speed or engine unit speed sensor may be defective and send the wrong information to your gearbox.
- If you feel drops caused by the automatic gearbox of your Mercedes Classe M: If you feel a clutch when you go up or when you slow down, it is either your oil which is too old and which does not lubricate any more adequately all the mechanisms of your gearbox, or else a sensor which gives bad info
- My Mercedes Classe M’s automatic transmission is leaking: At last, if your Mercedes Classe M’s automatic transmission is leaking, it’s most probably one of your spy seals is too worn.
How do I fix automatic transmission complications on a Mercedes Classe M?
And finally, we’re going to try to give you the solutions to resolve the automatic transmission complications on your Mercedes Classe M . Find them below:
- Oil leak on the automatic gearbox of a Mercedes Classe M: Find the source of the leak, and change the concerned gasket, get it conducted by a specialist, opening a gearbox is not easy. It will cost you a few hundred euros, specifically for the labour. Do not think twice to read our content on gearbox oil leaks on Mercedes Classe M.
- Sensor issue: No matter which sensor is involved, a replacement is the only remedy, sensors do not repair themselves, you should count from 100 to a few hundred euros dependent on the difficulty of access to the one that worries you.
- Couplings: If you have complications with the couplings on your Mercedes Classe M, you will only need to do a complete gearbox replace to gain comfort and preserve your gears.
- The automatic gearbox of my Mercedes Classe M slips: In this instance, you certainly have a dead clutch disc, you will have to replace the clutch, and on some models you won’t be able to replace it without doing a standard exchange of the gearbox, be prepared to spend more than a thousand euros.
There are other automatic transmission complications on Mercedes Classe M, such as electronic problems or pressure complications, but this list lists the main ones, in any case, for such complex mechanisms. Once you feel a problem on this level, we advise you to go quickly to your mechanic.
If you want more tutorials on the Mercedes Classe M, go to our Mercedes Classe M category.