Do it yourself
Frequently asked questions about cars and motorcycles
Car Tutorial (Do it yourself) Motorcycle Tutorial (Do it yourself) Frequently Asked Questions
  1. Car
    2. :
  2. Mercedes
    3. :
  3. Classe S
    4. : Where is the OBD port on the Mercedes S-Class W140

Mercedes Classe S - Video tutorial

Model: Mercedes Classe S MK 3, W140 - Years 1991-1998
Operation: Where is the OBD port on the Mercedes S-Class W140

In this new mini guide dedicated to all of you owners of a Mercedes S-Class W140 (year 1991-1998) we will find out together where the OBD port is located, thanks to which you can easily connect any professional diagnostic tools. First of all, therefore, go inside the passenger compartment and reach the driver's seat. Immediately after that, shift your attention to the lower area of the dashboard and locate the OBD port you were looking for on the left side. Once found, you can connect the diagnostic tool to analyze any electronic anomalies.


Posted on 6 May 2023 by ScegliAuto



Where is the OBD port located in the Mercedes S-Class?
Mercedes Classe S (1991-1998 / MK 3, W140) .. OBD diagnostic port is located in the Mercedes S-Class W140, useful for example in case we need to scan the errors recorded by the control unit. As shown,..
How to replace the cabin air filter of the Mercedes S-Class W140.
Mercedes Classe S (1991-1998 / MK 3, W140) .. If the cabin air filter in your Mercedes S-Class W140 (year 1991-1998) is now too worn out and you want to replace it yourself, then you just need..
Removing the air conditioning pulley Mercedes Classe S320 W140 3.2L
Mercedes Classe S (1991-1998 / MK 3, W140) .. compressor pulley of a Mercedes S320 Class W140 3.2L. First we open and lift the bonnet; let's remove the plastic frame that we find behind..

    Frequently Asked Questions

    • Classe S 2005-2013 - Where is the battery of a Mercedes S-Class W221 located? Read Answer

How do you open the fuel flap of the Volkswagen Golf 5?

In order to open the fuel flap of the Volkswagen Golf 5, you need to press the appropriate button inside the passenger compartment, which is located in the rear part of the glove box on the driver's door. By pressing the button, the flap will unlock and it will then be possible to open it manually. Once the flap has been opened, the fuel tank access cap must be unscrewed. To close everything again, it will be sufficient to screw the tank cap again; subsequently, the flap must also be closed, pressing it so that it fits thanks to its locking mechanism.

Watch the video!


by ScegliAuto

More videos