The On-Board Diagnostics II (OBD2) port in your Smart Fortwo is a crucial access point for vehicle diagnostics and maintenance. Whether you’re a seasoned DIY mechanic or a Smart car owner looking to understand your vehicle better, locating this port is the first step. This guide provides a clear, model-specific breakdown to help you quickly find the OBD2 port in your Smart Fortwo.
Understanding the OBD2 port location is essential for connecting diagnostic tools. These tools can read fault codes, monitor real-time data, and even perform software updates, empowering you to troubleshoot issues and maintain your Smart car effectively. The location of the OBD2 port can vary slightly depending on the model year and specific Smart Fortwo generation. Let’s pinpoint the exact location for your vehicle.
Smart Fortwo (450 – 600cc & 800cc CDI – Up to late 2002)
For early models of the Smart Fortwo, specifically the 600cc and 800cc CDI versions manufactured up to late 2002, the OBD2 port is situated within the fuse box.
- Right Hand Drive (RHD) vehicles: Look under the dashboard on the passenger side. The OBD2 port is integrated into the fuse box assembly.
- Left Hand Drive (LHD) vehicles: Check under the dashboard on the driver’s side. Similar to RHD models, the OBD2 port is located on the fuse box.
Image showing the OBD2 socket located within the fuse box of an early Smart Fortwo 450 model, with a Trust Plug fitted.
Smart Fortwo (450 – 700cc & 800cc CDI – 2003 Onwards)
For Smart Fortwo 450 models manufactured from 2003 onwards, including the 700cc and 800cc CDI engines, the OBD2 port location is slightly different.
You’ll need to look in the small cubby hole located under the dashboard, between the steering wheel and the driver’s side door. The OBD2 port is positioned at the back of this cubby hole, concealed underneath a small flap.
Image displaying the OBD2 port in a later Smart Fortwo 450 model, found within the dashboard cubby hole and covered by a flap.
Smart Fortwo (451)
In the Smart Fortwo 451 model, accessing the OBD2 port is straightforward.
Simply look under the dashboard on the driver’s side, towards the center of the car. You’ll find the OBD2 port behind a flap that folds downwards to reveal the connector.
Image illustrating the OBD2 port location in a right-hand drive Smart Fortwo 451, showing the flap that needs to be folded down for access.
Smart Roadster (452)
Locating the OBD2 port in the Smart Roadster 452 requires a small adjustment inside the cabin.
Look under the steering wheel. You’ll notice a long plastic cover situated just above knee level. Gently swing this cover downwards.
Image depicting the interior of a Smart Roadster 452, highlighting the plastic cover located beneath the steering wheel that hides the OBD2 port.
Behind this swung-down cover, you will find the OBD2 socket.
Image revealing the OBD2 port in a Smart Roadster 452 after the plastic cover has been swung down, with a Trust Plug fitted.
Smart Fortwo & Forfour (453)
For the Smart Fortwo and Forfour 453 models, the OBD2 port is positioned on the left-hand side of the vehicle, just beneath the dashboard.
Image showing the cover for the OBD2 port in a Smart Fortwo or Forfour 453, located on the left-hand side and under the dashboard.
Simply pull back this cover to fully expose the OBD2 socket.
Image of the OBD2 port fully exposed in a Smart Fortwo or Forfour 453 after the cover has been pulled back.
Smart Forfour (454)
The OBD2 port location in the Smart Forfour 454 is similar to some Fortwo models.
Look under the dashboard on the driver’s side, towards the middle of the car. The OBD2 port is located behind a flap that folds down to provide access.
Image showing the OBD2 port in a Smart Forfour 454 model, positioned under the dashboard and accessed by folding down a flap.
By following these guidelines, you should be able to quickly locate the OBD2 port in your specific Smart Fortwo or Forfour model, enabling you to perform diagnostics and maintenance with ease. Remember to always consult your vehicle’s manual for the most accurate and detailed information.
