Date registered: May 2005
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2003 clk 320
I have a clk 320 coupe with 40k miles. I am looking for some engine performance upgrades. I do not want to void the warranty and this is my first car, I was a SUV guy for awhile. I have seen a 4% percent hp/torque performance claim from an air filter upgrade, a start.
I would like to change the plugs and wires but, to be honest, intimidated by fussing with such a foreign, to me, engine. I comfortable with American motors but I do not want to screw up my warranty of my ride!
Any help would be great, thank you so much.