Status of Mario Kart Wii in the last 24 hours
server status
countries
Response time
ping service
In Isnotdown, you will be able to instantly check if Mario Kart Wii works perfectly, or on the contrary, if it is registering some type of problem to offer its services.
The Mario Kart Wii service appears to be working!
Frequent failures of Mario Kart Wii
However, Nintendo announced in February 2014 that the Nintendo WFC servers would be shutting down on May 20, 2014.
As such, it is no longer possible to play Mario Kart DS or Mario Kart Wii online without hacking the systems, meaning on such games, when connecting to Wi-Fi, the game will tell you it no longer works.
Mario Kart Wii supported online play via Nintendo Wi-Fi Connection until its discontinuation on May 20, 2014.
Versus and Battle modes were available and supported up to twelve participants, and up to two players could connect and play from the same Wii console.
Just press the home buton and hit reset.
That's it.
Click the Wii button in the bottom left hand corner of the wii menu screen then go to Data Management > Save Data > Wii and delete the save data for Super Mario Brothers.
Troubleshooting Tips
Still stuck and not enjoying Mario Kart Wii, then go to Step 3.