What we never expected was a Mercedes-Benz B-Class to leave other traffic eating dust in its wake. A Look At The Mercedes-AMG B55Mercedes-Benz B-55 Mercedes-BenzThe B55 has a cool name, right? The moniker refers to the car itself, a B-Class, as well as to the engine under the hood, a 5.5-liter V8, sourced from a Mercedes E 500. Mercedes-Benz B-55 Mercedes-BenzLuxury cars are regarded as a segment that skews a bit older than other vehicles in the first place, simply because they cost a bit more. 2010 Mercedes-Benz B-Class $7,000 Parts $8,000 Labor $66,000 Total $81,000To explain our expenses real quick, the cost of the car is based on rounded averages for imported models, plus import costs.