normally using n12y spark plug with .038. using 4 points new types, use factory set
The spark plug gap for your Mercedes is .032
the spark plug gap size on a Mercedes e420 is .32
the gap is .8
.032
.032
Mercedes c240 has 2 spark plug each cylinder total 12 and gaping is 0.039 when you purchase them they have ready gap on it. always good to double check them.
The spark plug gap for a Polaris Indy 500 should be set between .025 and .028 inches. A new spark plug should need no adjustments as they come preset from the factory.
the gap for a buell blast 500 is .040..
The spark plug gap on a 2001 Mercedes S600 should measure .044 inches. A new spark plug will come with the gap already set and should not need to be adjusted any further.
0.80 mm.
The gap for your 420 sel is .32... dont forget to use a good plug!
0.070