2007 clk 550 convertible #1 I bought used 160000 miles dead battery replaced ran for a month fine than get p0302 so replaced spark plus still get code changed coils across no change had garage look at it tell me crankshaft sensor told them replace pick up car still same thing down the road tell me to drive it and bring back can’t drive it when it drops cylinder can delete code and run for 2 miles and same thing again spraye d dielectric cleaner on wires and going out to test now done put fuel injector cleaner in tank sea foam in engine
#2 is fuel filter in the tank or in line on these models sorry new here read a lot post and if misfire is unused fuel in catalytic converter could sensor on cat be going bad but it only shows misfire on cylinder 2
#3 is their a reset for Ecu since replaced battery tried turning wheel to left and right for 2 seconds but did nothing
I bought car for it being convertible my next thing was going to be fuel injector but idk
these r other codes that the garage found that my tuner didn’t pick up
p2767 / y3/872 / p0300 / p2610 / p0335 / p0302 / p0336 now these codes don’t show up on my tuner