Advance Auto is running a sale on 5 quarts of Mobile One synthetic AND a Mobile One filter for $30. That's not bad.
According to Exxon, the recommended Mobile One oil filter for the smart fortwo is the
M1-108.
The M1-110 will also fit the threads and gasket, but the filter is actually a bit longer,
I would NOT USE IT on the fortwo!
One Advance I stopped in had NO 108s. They would have substituted filters (they had 4 in the computer that fit). I called a different store and they had a couple in stock.
Turns out that my smart, my Subaru 2.5XT turbo and my Yamaha FJR1300 all take the M1-108 filter. It's time for me to STOCK UP!
Just thought I'd pass it along.