How to solve these problems? Yes, you can troubleshoot most of airmatic suspension problem by using a good diagnostic scanner such as Besides MB diagnostic scanner SD Connect C4 or Star C3 which is mainly used at dealerships, there are other diagnostic tools you can use to diagnose Mercedes Benz.
You should know that generic OBDII readers can not access to airmatic control unit, some can read out and clear the fault codes but they can not perform airmatic test and troubleshooting.
Today, our engineer recommend Autel MaxiDAS DS708 to Troubleshoot Mercedes airmatic suspension.
Below will show you How DS708 test the airmatic systems including air compressor or the pressure release valve.
Step 1: Choose vehicle information
It is communicating...
Step 2: Pneumatic tests
Choose special functions->Pneumatic tests-> AIRmatic compressor unit
Go back to choose AIRmatic pressure release valve
Click OK to continue
These can work with most Mercedes-Benz equipped with airmatic suspension 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)
You can also use Autel DS708 diagnostic Scanner to program immobilizer keys and others: