Whether you want to cool down in the summer, or help you clear the fog from your windshield in the winter, air conditioning in cars has become an almost mandatory feature lately. But what if the air conditioning in an Mercedes Classe S isn’t cold anymore? This is precisely the question we will try to answer in this article. First, we’ll look at the various complications that can prevent the air conditioning in your Mercedes Classe S from cooling down, and finally, we’ll look at the solutions available to you to handle this problem.

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WHY IS THE AIR CONDITIONING IN MY Mercedes Classe S NO LONGER COLD?

We will start our guide with the signs of illness that can justified that the air conditioning of your Mercedes Classe S is no longer cooling.

BAD AIR CONDITIONING SMELL in my Mercedes Classe S air con

One of the fairly basic signs that can inform you to the fact that your air conditioning is not working is if you have a musty or damp smell inside your motor vehicle, and yes, a bad smell can be a warning of a faulty air conditioning system, it can be lasting or only present when you turn on your air conditioning. To find a solution to this failure, we suggest you to go through our guide dedicated to bad air conditioning odors on Mercedes Classe S.

AIR CONDITIONING NOISE ON Mercedes Classe S

One of the other indications that can alert you to a not working air conditioner is that you experience a strange noise is coming on when you turn on your air conditioner (feel free to approach the vents to verify for any suspicious noise). This noise could signify a faulty air conditioning clutch or a faulty customer compressor.

LOSS OF PRESSURE IN THE AIR CONDITIONING CIRCUIT

Quite hard to identify without elaborate mechanical skills, a loss of pressure in your car’s air conditioning system can result in your air conditioning no longer producing cold. There are several possible motives to do this loss of pressure, and these are listed below:

  • Leakage of refrigerant fumes
  • nonfunctioning air conditioning compressor

AIR CONDITIONING SYSTEM THAT DOESN’T WORK AT ALL on my Mercedes Classe S

At last, it’s possible that the air conditioning in your Mercedes Classe S is no longer cold just because your air conditioning system is no longer working. Here are the different origins of an air conditioning system that no longer functions:

  • Compressor pulley HS: The compressor will be out of power and the circuit will be stopped.
  • Overpressure concern: This will bring about the device to trip.
  • Defective sensor: As with overpressure, the air-conditioning system will switch to safe mode.

HOW DO I CORRECT THE AIR CONDITIONING ON MY Mercedes Classe S THAT IS NO LONGER COOLING?

Now that we have been able to observe the most important causes of a Mercedes Classe S air conditioning system that no longer cools down, we are going to show you the various solutions available to you . First of all, you should know that an air conditioning system is sophisticated, and that wanting to carry out repairs yourself is not always the best idea, presuming that you are sure of the source of the breakdown. However, here are the most important possible repairs and an estimate of their cost.

First step, before carrying out any major fix, clean the air conditioning of your Mercedes Classe S, don’t hesitate to look at our focused upon content page on this subject.
If this is not enough, bleed and refill the coolant, which should cost you around 100aine euros.
Changing the air conditioning clutch: you will need to spend around 150 euros for parts and around 100 euros more for labour.
Searching for and repairing an air conditioning leak: based on the position of the leak it will cost you more or less, count on average 150/200 euros, counting the air conditioning refill.
Replacement of an air conditioning condenser: you will need to count about 200 euros.
Changing the air conditioning gas compressor on Mercedes Classe S costs about 500 euros with labor.

To discover more tips on the Mercedes Classe S, take a look at the Mercedes Classe S category.