Kompressor in the MB world is a vehicle with a supercharger. So it could mean a good thing, depends on what you want.
More power than a comparable naturally-aspirated model; probably more cost to maintain, due to more fuel consumption and mechanical failure points.
More torque, more horsepower, and better gas mileage if you just drive the car like it doesn't exist. If you like to go fast, then this will only tease you for about a few days.
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