reb87

I am having some problems with my 65000 mile c300 misfiring. I have changed plugs,coils and MAF so far with no improvement. The codes were for cyls 1,2,3 misfire and bank 1 lean. I should have asked but after searching just started changing stuff. I wanted to change the fuel filter to eliminate that as a possible problem. My car is flex fuel E85. I pulled the left(drivers side) "can" out of the fuel tank and got the numbers off of it "a2044702494 003",which translates to" 204-470-46-94 Suction Jet Pump". The pzev cars have a "221-470-17-90-28 Fuel Filter Unit" in that spot, does the suction jet pump also have a fuel filter in it or is my fuel filter located elsewhere? Thanks in advance.