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cl600 bi turbo 2003
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Discussion Starter · #1 ·
cl600 bi turbo drives well, but when pressing the loud pedal, the car pulls, and towards the end of the rev range it kicks again as it its been given another 50bhp, this was noticed on a recent rolling road test, I am unsure if its getting the correct boost, and I am now having the fuel filter changed "as this was last done in 2004" and it also recently had all the spark plugs changed prior to me owning the car, I am having merc check a couple of these to ensure they are the correct ones,any ideas?

I have changed the charger cooler pump as this was deemed the cause but it still the same, I am now starting to wonder if the car has been remapped at sometime, I have asked merc to reflash the ecu, but these seem unwilling for some reason
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