1. Open the driver's door.
2. Look to the left of the steering wheel, below the dashboard.
3. You should see a small, rectangular cover with the Mercedes-Benz logo on it.
4. Pry the cover off gently using a flat-head screwdriver.
5. Inside the cover, you will find the diagnostic connector.
(Alternatively)
On the OBD-II port, the location of which will depend on the car’s make and model. Here are the most common locations for the OBD-II port:
- Under the dashboard, to the left of the steering wheel
- In the center console, near the gear shifter
- Under the hood, near the battery
- In the glove box
- In the trunk