Notice a 10 percent improvement in fuel economy with your mid-size SUV just by screwing these performance Mercedes-Benz G-Class spark plugs into each cylinder of your engine. Plus, G-Class performance spark plug sets give your engine better CO2 emissions readings, resulting in cleaner exhaust for a better environment.
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Our Mercedes-Benz G-Class racing spark plugs result in extra power and a smoother running SUV. The fact that just over 80 percent of our G-Class spark plug reviews rate this product with a full 5 out of 5 star ranking indicates just how well this product is manufactured.