I've got some nasty leather seats in a 2006. It's like a black/grey kind of grease and not sure what to use to get it off. Any ideas?

 

Lexol seems to be good at cleaning leather.. I use Lexol with a brush and follow up with Zaino's leather in a bottle. I've heard good things about Leatherique as well. Maybe you can post pics to see how bad it is.

 

Lexol leather conditioner is good mean while the cleaner is by far shittiest.

 

Woolite and water 1:10 ratio.

 

I would recommend Leatherique Pristine Clean for cleaning the seats. It does and amazing job. And Zaino Z-10 leather in a bottle to condition the leather. It smells just like leather and will keep a long lasting shine.