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Where is the OBD port on a Mercury?
OBD2 port location for 3 Mercury models. The port is usually under the dashboard on the driver's side.
- Mercury Grand Marquis (1991 - 1997)The OBD II socket is located at the top right of the pedals. Here is the OBD port.
- Mercury Villager (1992 - 1998)The OBD connector is located above the brake pedal. This is the OBD socket in white.
- Mercury Mariner (2005 - 2011)The socket is located on the left-hand side of the steering wheel. The socket is located above the driver's footrest. The socket is circled in red.
Found the port? Now scan it
Plug in an ELM327 adapter and read your Mercury's fault codes with the app.