Whether you need to move house, go on vacation with a caravan, dispose of green waste, or have a hitch is really handy. In this post, we will show you the electrical connection of a trailer hitch of a Mercedes Benz CLS Class . Obviously, regardless if the installation process is not complex, it is required to describe some details to consider this task without any problem. First of all, we will see what the electrical wiring harness of your motor vehicle hitch consists of, then, in a second step, how to make the electrical connection of the hitch of a Mercedes Benz CLS Class .

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What’s the wiring harness for a Mercedes Benz CLS Class hitch trailer?

Why do we have to connect a wiring harness with the hitch trailer of a Mercedes Benz CLS Class?

So we will begin our content page by explaining the principles of a wiring harness of a Mercedes Benz CLS Class. In order to discover how it works, you must previously discover its necessity. Whether you have a trailer or a caravan to tow, it is necessary and above all mandatory by the highway code to respect certain requirements, here they are:

  • A solid chassis for the trailer…
  • Wheels that fit.
  • An electrical connection.
  • A license plate in plain sight.
  • A stoplight repeater.
  • A traffic light repeater.
  • A blinker repeater.
  • License plate illumination.
  • A fog light repeater.

In order to fulfill all the electrical obligations, you will need to install a wiring harness connection on the hitch trailer of your Mercedes Benz CLS Class . We will concentrate on this in this post, if you want to learn how to install the hitch of a Mercedes Benz CLS Class, please see our content page on this subject.

What is the electrical connection of the trailer hitch of a Mercedes Benz CLS Class?

We will now fairly quickly show you how the electrical connection of your hitch works. The connection uses the 12-volt current from your motor vehicle to power the hitch lights on your Mercedes Benz CLS Class. There are two different systems of electrical connection for a hitch, here they are:

  • The 7-pin electric plug for a Mercedes Benz CLS Class trailer, 7 pins : This is the traditional plug that will be determined on all Mercedes Benz CLS Class hitches. This electrical connection will enable you to transmit all the lighting functions needed for the rear signalling of your trailer, you will locate a plug for each action (left and right indicators, ground, fog light, left and right position light, left and right brake light).
  • Electrical connection for caravan with 13-pin plug for Mercedes Benz CLS Class: This plug system is specifically used for caravans that involve 12 volts inside to supply the different electrical equipment in the cabin. This type of connection necessitates the use of an adapter. The extra pins will bring the 12 volt power permanently (to recharge a battery in the caravan) and the 12 volt power in use (to use the 12 volt equipment when the motor vehicle is switched on).

How do I hook up the wiring harness of a Mercedes Benz CLS Class?

To finish this content page, we will fairly quickly show you you how to produce the connection of the wiring harness of your Mercedes Benz CLS Class .

How to make the connection of the wiring harness of an old Mercedes Benz CLS Class?

To mount the wiring harness of an old Mercedes Benz CLS Class, you will have to go and get all the required cables in the rear lights of this one. We suggest you to call in a motor vehicle electrician for this intervention because it is complex, but we will nevertheless summarize the most important steps to be accomplished:

  • Remove the trunk lining from your Mercedes Benz CLS Class to access the rear light unit.
  • Identify the wires that correspond to each of the taillight functions.
  • Connect them to the lugs on the wiring harness on your hitch.
  • Close the whole thing down.

How do you connect the wiring harness of a recent Mercedes Benz CLS Class?

For recent Mercedes Benz CLS Classs, the wiring harness is much less complicated to connect:

  • You can use a multiplexable box, you will locate particular ones for your Mercedes Benz CLS Class and universal models. It’s up to you to select according to your budget, know that a universal version costs between 30 and 60 euros.
  • Remove the trunk lining from your Mercedes Benz CLS Class so that you can route the cables from your box to the front of your Mercedes Benz CLS Class and connect them to your fuse box.
  • Install the case in the trunk effectively.
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  • You don’t have to retrieve your cables from the trunk and connect them to your outlet.

How do you hook up the power to a trailer on Mercedes Benz CLS Class?

Finally, to finish this content page we will fairly quickly show you you how to produce the electrical connection of a caravan on your Mercedes Benz CLS Class . To do this you will inevitably have to go through one of the previous steps, it’s up to you to select the one that points your model and your budget. After you have done this, the last step will be to buy an adapter that goes from a 7-pin plug to a 13-pin plug so that you can benefit from the 12 volt current in your caravan. These adapters come at different prices, you will need to count between 15 and 40 euros. All you have to do is plug it into your 7-pin plug.

Whenever you have any additional questions about the Mercedes Benz CLS Class, do not hesitate to consult our Mercedes Benz CLS Class category.