When your car is running normally everything is fine, nevertheless if it begins to have regular problems you might start to speculate, specifically if your car won’t start. In this article we will teach you where the starter of a Mercedes Classe B is, it will help you to solve your ignition problems. To do this, we will first explain the role of a starter, then, where is the starter on a Mercedes Classe B , and, finally, how to change the starter of a car.

find-starter-mercedes-classe-b

Role of the starter on your Mercedes Classe B

We start this article by explaining the role of the starter motor on your Mercedes Classe B. The starter is an electric motor which is powered by your battery, its purpose will be to make your engine run at a high enough speed to start it (usually around 300/400 rpm). It is consisting of three main parts:

  • The Solenoid: This component is an electrical relay that will act as a switch, it will be activated by the key of your Mercedes Classe B and let the current from your battery to the engine unit of your alternator.

    • The engine unit: Main element of your alternator, it is the one that will drive the flywheel of your Mercedes Classe B and create enough speed for your engine unit to start.

  • The engagement pinion: This is the last component of your starter, it is the toothed wheel that will be in direct contact with the flywheel, it enables to transmit the force from the starter to the engine.

Where is the starter on a Mercedes Classe B?

Now that we have fairly quickly explained what a starter is and how it functions, we will answer the question that most of you have to ask yourselves where is the starter found on a Mercedes Classe B? It is quite easy to find a starter, in actual fact, it is a large component that will almost always be placed in a similar location. We let you see the two possible locations for your car starter below.

Location of the starter on traditional Mercedes Classe B

First and most common circumstance, where to find the starter of a Mercedes Classe B with a conventional motor (implied without start and stop). The starter has a specific function, to start the engine unit of your car, for that, it must always be near the engine unit flywheel of this one because it is the component that it actuates when it is used. The flywheel is found at the junction between your gearbox and your engine unit.

Location of the starter to Mercedes Classe B with start and stop

And now second possible starter location of your Mercedes Classe B . This case is much less frequent. It only relates to engines built with start and stop, and a good component of them will be equipped with a starter placed close to the flywheel. Nevertheless, on some specific series or engines, the starter of your Mercedes Classe B may be included in your alternator, it is then called a starter-alternator, to find it nothing much easier, locate your accessory belt and you should discover the big starter block.

How to change the starter on a Mercedes Classe B?

Finally, we’ll describe to you actually quite fairly quickly how to change the starter of a Mercedes Classe B. This procedure is not necessarily complex, it can be considered by people who have a minimal of simple mechanical knowledge and adapted equipment. Follow below the main steps to carry out this intervention:

  • Disconnect the battery on your Mercedes Classe B, if you don’t know how to do it, don’t hesitate to seek advice from our article which details how to do it without taking any risk.
  • After discovering your starter, loosen the fasteners that hold it in your engine unit block, there will in most cases be 2 or 3

    • .

  • It will be time to disconnect the power cables from the starter motor of your Mercedes Classe B, nevertheless before doing so we suggest you to take a picture of the set up to avoid making a mistake when reassembling.
  • It’s possible that to remove it you might need to remove auto parts like the gimbal.
  • Remount the new starter, being careful when connecting the connectors.
  • Reconnect your battery and test your starter.

To find more tips on the Mercedes Classe B, take a look at the Mercedes Classe B category.