The spark plug gap for your Mercedes is .032
The point gap for a 1975 Mercedes 450SL should be set to approximately 0.016 inches (0.4 mm). This gap is critical for proper ignition timing and engine performance. Always consult the vehicle's service manual for specific guidelines and adjustments to ensure optimal operation. Regular maintenance of the ignition system, including checking the point gap, is essential for the longevity of the vehicle.
.028 to .032 Champion N9Y or N10Y
To set the points gap on a 450SL Mercedes, you typically need to access the distributor and locate the points. The correct gap is usually around 0.016 inches (0.4 mm). Use a feeler gauge to adjust the gap by loosening the points' mounting screws and carefully moving them until the desired gap is achieved. Always ensure the engine is off and cool before making adjustments.
30 degrees on dwell or 16 thousands with feeler gauge (close)
.017........Is wrong !The ignition spark gap is .027
points gap 17
0.020 in.
If you buy the spark plugs the gap should already be preset to fit your specific vehicle. The gap is 0.032 in.Ê
You can check me on this, but, if I remember correctly should be .016 to .018
The point gap is ( .024 inch ) for the 2.8 L - V6 engine in a 1974 Ford Mustang ( unless the engine compartment decal shows different )
the spark plug gap size on a Mercedes e420 is .32