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Mercedes Diagnostic Port Locations

If you need to hook up a diagnostic code reader or scanner to your Mercedes you will need to know where the diagnostic port is located. Here we have all Mercedes diagnostic port pictures which should tell you straight away where to look. A diagnostic port is also known as an OBD2 port or EOBD port which is used for the purpose of communicating with a vehicle to diagnose faults or reprogram modules within the vehicle. The diagnostic port is a direct link to the Mercedes ECU.

Mercedes A Class
Mercedes A Class W168 OBD2 diagnostic port location (1997 - 2004)
Mercedes A Class W169 OBD2 diagnostic port location (2004 - 2012)
Mercedes A Class W176 OBD2 diagnostic port location (2013 -

Mercedes B Class
Mercedes B Class W245 OBD2 diagnostic port location (2005 - 2011)
Mercedes B Class W246 OBD2 diagnostic port location (2011 -

Mercedes C Class
Mercedes C Class W202 OBD2 diagnostic port location (1993 - 2000)
Mercedes C Class W203 OBD2 diagnostic port location (2000 - 2006)
Mercedes C Class W204 OBD2 diagnostic port location (2006 -  2014)
Mercedes C Class W205 OBD2 diagnostic port location (2015 - 

Mercedes E Class
Mercedes E Class W124 OBD2 diagnostic port location (1984 - 1996)
Mercedes E Class W210 OBD2 diagnostic port location (1995 - 2003)
Mercedes E Class W211 OBD2 diagnostic port location (2002 - 2009)
Mercedes E Class W212 OBD2 diagnostic port location (2009 - 2016)
Mercedes E Class W213 OBD2 diagnostic port location (2016 - 

Mercedes G Class
Mercedes G Class OBD2 diagnostic port location

Mercedes M Class
Mercedes M Class W163 OBD2 diagnostic port location (1998 - 2005)
Mercedes M Class W164 OBD2 diagnostic port location (2006 - 2011)
Mercedes M Class W166 OBD2 diagnostic port location (2012 -

Mercedes R Class
Mercedes R Class W251 OBD2 diagnostic port location (2005 -

Mercedes S Class
Mercedes S Class W140 OBD2 diagnostic port location (1991 - 1998)
Mercedes S Class W220 OBD2 diagnostic port location (1998 - 2005)
Mercedes S Class W221 OBD2 diagnostic port location (2005 - 2013)
Mercedes S Class W222 OBD2 diagnostic port location (2014 - 

Mercedes GLA
Mercedes GLA X156 OBD2 diagnostic port location (2014 - 

Mercedes GLS
Mercedes GLS X164 OBD2 diagnostic port location (2006 - 2012)
Mercedes GLS X166 OBD2 diagnostic port location (2013 - 

Mercedes Vito

Mercedes Vito W638 OBD2 diagnostic port location (1996 - 2003)
Mercedes Vito W639 OBD2 diagnostic port location (2003 - 2014)
Mercedes Vito W447 OBD2 diagnostic port location (2014 -