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Locating the OBD Port on the Mercedes Vito 110 CDI

Model: Mercedes Vito MK 3, W447 - Years 2014-2024
Part: Checks and maintenance

In this video, we will see the location of the OBD (On Board Diagnostics) port on the Mercedes Vito 110 CDI (both W638 and W639). The OBD port is located under the driver's seat. To find it, slide the seat all the way back and tilt it. Look on the floor, near the left rail of the seat (door side). The port is a trapezoidal connector, black with 16 pins, often secured to a plastic support. To keep it protected from dust, it is usually covered by a dark rubber strip. To connect the scanner, reach under the seat and feel for the protruding connector.

Posted on 29 May 2026 by ScegliAuto

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