Aerodynamic Kits Carlsson have specifically designed a range of aerodynamic components for each of the Mercedes-Benz models. These fit esthetically onto the cars, and supplement their harmonic designs in a markedly sporty way. Options include front and rear spoilers and rear, front and side skirts. Please contact our sales office for details. SLK Bonnet Fins These gorgeous Carlsson SLK bonnet fins are a quick and easy way of boosting the look of your vehicle for the better. Complete set for both bonnet grills £159.00 (inc VAT).