Fault code reader

[carlos-1975]

Now I know star is the ultimate Mercedes diag tool but I don't have the funds to buy star are the little universal fault readers really no good?
I was looking at
Diagnostic Fault Error Code Reader Tool for Mercedes Benz A C E S Class Reader | eBay

Anybody got experience with this or similar type items they would recommend?
I want to use it on my w220 sclass and I have a vito at the minute with a few problems

 

[paul m]

Think his feedback is enough to put me off, not that i need one bought one off e bay snapon graphing scanner with all makes cartridge it is a few years old but goes up to 2007

 

[carlos-1975]

YEah I was worried about his feedback