You hear a starter motor noise on your Mercedes Benz CLS Class once you start your automobile. We agree that this is not pleasant and that you have inquiries. Finding out such a noise is not always a good signal, but it may also be nothing serious. To help you fix this issue, our team has decided to prepare this article to help you in this research. First, we will detail how the starter motor functions on your Mercedes Benz CLS Class, and then what starter motor noises you can know on your Mercedes Benz CLS Class.starter-motor-noise-mercedes-benz-cls-class

Functioning and various information

Function of a starter motor on Mercedes Benz CLS Class

The starter motor is an electric motor whose single task is to start the engine unit 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 exposed 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 part 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 Benz CLS Class is activated and turns the drive pinion on the flywheel to start the engine.

How to prevent starter motor noises on Mercedes Benz CLS Class

  • Do not run your starter too long
  • Regardless if your engine does not start because of tired glow plugs, for example, or because the climate is too cold. You should not try to start for more than a few seconds or you will burn your starter motor. In fact, the current essential 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 automobile does not start, look for the solution elsewhere.

  • Do not use a starter motor on Mercedes Benz CLS Class with a tired battery
  • Although when you have a battery that is tired, you always want to start your car, the energy it is capable of holding may not be enough to generate the power expected by the starter motor to start your engine unit. Repeated attempts will pre-use your starter motor and if you do not correct the origin of your failure to start repeatedly, your starter may be the future part you will have to swap.

I hear noises from the starter motor of my Mercedes Benz CLS Class, what are the causes?

I experience a loud noise from the starter of my Mercedes Benz CLS Class

If you acknowledge a starter motor noise on Mercedes Benz CLS Class and you have the feeling that it is approaching a loud noise, it is possible that it is the starter motor gears that are at the source of it. In fact, often when the component has been dismantled for other fixes, its adjustment in relation to the engine flywheel may no longer be optimal, in which case the gears will be worn down after some time and will not slip and will no longer properly activate the engine when starting. Verify the condition of the drive pinion, if it is the element responsible of the starter motor noise on your Mercedes Benz CLS Class replace 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, read this article about front end noise on Mercedes Benz CLS Class which may offer you other leads to fix your noise issue.

I hear a clicking noise of the key running in my neiman but no noise at the starter motor of my Mercedes Benz CLS Class

If you hear a clicking noise at the starter motor of your Mercedes Benz CLS Class, there are two possible failures associated with 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 involved. You may have a issue with unplugged cable verify your electrical installation. If after examining this clicking noise on Mercedes Benz CLS Class doesn’t come from your starter motor, check this article for more informations.