You notice a starter motor noise on your Mercedes Classe Cls when you start your vehicle. We agree that this is not enjoyable and that you have questions. Hearing such a noise is not always a good signal, but it may also be nothing severe. To help you resolve this problem, our team has chosen to write this article to support you in this research. First, we will detail how the starter motor functions on your Mercedes Classe Cls, and then what starter motor noises you can discover on your Mercedes Classe Cls.starter-motor-noise-mercedes-classe-cls

Functioning and various information

Function of a starter motor on Mercedes Classe Cls

The starter motor is an electric motor whose single role is to start the engine motor of your car. By a magnetic system and a “serial” technology, it will release an enormous torque that will allow it to drive the pistons of the engine that are subjected to enormous compression and an oil that provides additional resistance being not very fluid when cold.
It is completed by the “solenoid”. It is an electromagnet that goes under a 12 volt electric impulse to push the fork (link element between the “solenoid” and the electric motor of the starter) and thus engage the starter drive pinion on the engine flywheel. Following this action, once in engagement, the starter motor of your Mercedes Classe Cls is activated and turns the drive pinion on the flywheel to start the engine.

How to prevent starter motor noises on Mercedes Classe Cls

  • Do not try to start your engine for too long
  • Even if your engine does not start because of tired glow plugs, for example, or because the weather conditions is too cold. You should not try to start for more than a few seconds or you will burn it. Indeed, the current necessary to make it turn and the speed of rotation only permits it to perform its function over very short and intense periods of time. If the car does not start, look for the solution elsewhere.

  • Do not use a starter motor on Mercedes Classe Cls with a tired battery
  • Although when you have a battery that is exhausted, you always want to start your car, the energy it is capable of holding may not be good enough to generate the power needed by the starter motor to start your engine motor. Repeated attempts will pre-use your starter motor and if you do not resolve the cause of your failure to start repeatedly, your starter may be the future element you will have to change.

I notice noises from the starter motor of my Mercedes Classe Cls, what are the triggers?

I feel a loud noise from the starter of my Mercedes Classe Cls

If you hear a starter motor noise on Mercedes Classe Cls and you have the feeling that it is approaching a loud noise, it is conceivable that it is the starter motor gears that are at the source of it. Indeed, often when the component has been dismantled for other maintenance, its adjustment in relation to the engine flywheel may no longer be appropriate, in which circumstance the gears will be worn down after some time and will not slip and will no longer properly activate the engine when starting. Examine the condition of the drive pinion, if it is the element responsible of the starter motor noise on your Mercedes Classe Cls change it.
If it is a noise in the front of your car but it seems to you after checking not to come from your starter, check this article about front end noise on Mercedes Classe Cls which may offer you other leads to eliminate your noise problem.

I notice a clicking noise of the key running in my neiman but no noise at the starter motor of my Mercedes Classe Cls

If you notice a clicking noise at the starter motor of your Mercedes Classe Cls, there are two possible failures relating to this warning sign. If you have in addition to the noise the motor is not running, it may be the “solenoid” is not supplied with energy. One of the most classic ways to relaunch it is to hit it with a metal bar to remove the dust that blocks it. If that is not enough, it may be the neiman who is concerned. You may have a problem with unplugged cable check your electrical installation. If after checking out this clicking noise on Mercedes Classe Cls doesn’t come from your starter motor, check this article for more informations.