You notice a starter motor noise on your Mercedes Benz CLA Class once you start your vehicle. We agree that this is not pleasant and that you have questions. Hearing such a noise is not always a good sign, but it may also be nothing significant. To support you fix this problem, our team has chosen to create this article to support you in this research. First, we will detail how the starter motor functions on your Mercedes Benz CLA Class, and then what starter motor noises you can encounter on your Mercedes Benz CLA Class.
Functioning and various information
Function of a starter motor on Mercedes Benz CLA Class
The starter motor is an electric motor whose single task is to start the engine of your vehicle. By a magnetic system and a “serial” technology, it will launch 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 component 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 CLA Class is activated and turns the drive pinion on the flywheel to start the engine.
How to prevent starter motor noises on Mercedes Benz CLA Class
- Do not try to start your engine for too long
- Do not use a starter motor on Mercedes Benz CLA Class with a tired battery
Even if your engine does not start because of tired glow plugs, for example, or because the temperature is too cold. You should not try to start for more than a few seconds or you will burn your starter motor.
Although when you have a battery that is exhausted, you always want to start your vehicle, the energy it is capable of holding may not be good enough to give the power required by the starter motor to start your engine. Repeated attempts will pre-use your starter motor and if you do not resolve the origin of your failure to start repeatedly, your starter may be the future component you will have to change.
I notice noises from the starter motor of my Mercedes Benz CLA Class, what are the reasons?
I experience a loud noise from the starter of my Mercedes Benz CLA Class
If you notice a starter motor noise on Mercedes Benz CLA Class and you have the feeling that it is close to a loud noise, it is possible that it is the starter motor gears that are at the origin of it. In fact, often when the component has been dismantled for other repairs, its adjustment in relation to the engine flywheel may no longer be perfect, in which case the gears will be worn down as time passes and will not slip and will no longer properly engage the engine when starting. Verify the condition of the drive pinion, if it is responsible of the starter motor noise on your Mercedes Benz CLA Class change it.
If it is a noise in the front of your vehicle but it seems to you after examining not to come from your starter, check this article about front end noise on Mercedes Benz CLA Class which may provide you other leads to fix 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 Benz CLA Class
If you notice a clicking noise at the starter motor of your Mercedes Benz CLA Class, there are two possible failures relating to this symptom. 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 common 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 might have a problem with unplugged cable examine your electrical installation. If after examining this clicking noise on Mercedes Benz CLA Class doesn’t come from your starter motor, check this article for more informations.