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How to Troubleshoot Mercedes airmatic suspension with YOUCANIC Diagnostic Scanner

If you are experiencing problems with the airmatic suspension on your Mercedes-Benz, don’t panic. You could troubleshoot most airmatic problems yourself using the right diagnostic scanner. While Mercedes Star Diagnostic Scanner SDS C3 or C4 is what is used at dealerships, there are other scanners that you can use to perform Mercedes-Benz troubleshooting, such as the YOUCANIC full system scanner. 

The generic OBD-II code readers cannot access the airmatic control unit. YOUCANIC FULL SYSTEM SCANNER is a good scanner that can read the fault codes and erase them but can also perform any further airmatic tests or troubleshooting.

It can read and clear codes for all systems on Mercedes-Benz cars. It also can carry pneumatic tests if you need to test the airmatic systems, including the air compressor or the pressure release valve.

The YOUCANIC full system diagnostic scanner is an essential tool for Mercedes-Benz owners and technicians looking to troubleshoot problems with their vehicles. This diagnostic scanner can help diagnose issues with the engine, transmission, brakes, airbag, ABS, steering systems, and more by reading and interpreting fault codes stored in the car’s computer system. With this information, you can make informed decisions about repairs and maintenance, saving time and money.

In addition to diagnosing problems, the YOUCANIC scanner can also reset maintenance reminders and service indicators, ensuring that your vehicle is properly maintained and preventing potential issues from occurring in the future. This feature is especially useful for Mercedes-Benz owners who want to stay on top of their vehicle’s maintenance schedule without visiting a dealership or a mechanic. Overall, the YOUCANIC full system diagnostic scanner is a valuable tool that can help you keep your Mercedes-Benz running smoothly and reliably for years.

In this video, you will learn how to use a diagnostic scanner to:

  • Rear Airmatic Codes
  • Clear Air Matic Suspension Codes
  • Perform Testing of Airmatic Compressor
  • Test Pneumatic Pressure Release Valve
  • Perform suspension calibration
  • Actuation of level valves
  • Change inclination measuring the level
  • Control Unit Adaptations

These tests can be performed on most Mercedes-Benz equipped with airmatic suspensions, such as:

  • CL-Class: years 2000-2006 (W215 w/ ABC): years 2007-2012 (W216 w/ Airmatic)
  • CLS Class: years 2005-2011 (W219 w/ Airmatic):years 2005-2011 CLS55AMG &CLS63AMG
  • GL Class: years 2007-2012 (W164 w/ Airmatic)
  • ML Class: years 2005-2011 (W164 w/ Airmatic): years 2005-2010 (ML63AMG)
  • R Class: years 2006-2010 (W251)
  • S Class: years 1999-2006 (W220 w/,w/o 4matic): years 2000-2006 (W220 w/ABC)
    years 2003-2006 (W220 w/ Airmatic & w/ 4matic),
    years 2007-2012 (W221 w/ Airmatic, w/o 4matic):
    years 2007-2012 (W221 w/ Airmatic, w/4matic)

There are six areas that can cause the air suspension to stop working properly. They are:

  • leveling sensor
  • relay
  • air suspension pump
  • suspension air valve block (pressure release valve)
  • lines
  • air struts/ air springs

Troubleshooting the Mercedes-Benz air suspension compressor and air suspension problem requires a good diagnostic scanner.  Once you read the codes from the Airmatic control unit you be able to know why that airmatic warning light is coming up on the dashboard.



  1. Can u use obd 2 on a Benz 2006 cls500

    • You can use it to retrieve check engine codes. Other than that you won’t be able to troubleshoot anything else with a generic code reader. You will need a multi-system scanner to troubleshoot other systems.

  2. Can u use obd 2 on a Benz 2006 cls500

    • Yes but not to diagnose airmatic. It will only tell you codes stored in the engine control unit. Any code related to the Check engine light and some generic transmission codes.

  3. Great article – do you know if the AET-I diagnostic unit can also be used to do these tests?

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