German tuner offers a program for the iconic SLK cabriolet that includes power boost kits for the CGI engines.

German tuner Carlsson has a new tuning program for the Mercedes-Benz SLK.

Starting things off under the hood of this iconic cabrio, Carlsson has developed a new C-Tronic kit, with different stages of output boosts, for the new range of CGI engines that go into the SLK.

For the SLK 200 CGI with a standard output of 184 PS (135 kW / 181 PS) - the C-Tronic tuning can dial that up to a maximum of 224 PS (165 kW / 221 bhp). There's also a less powerful boost up to 211 PS (155 kW / 208 bhp).

For the SLK 250 CGI - power gets bumped up to a maximum of 239 PS (176 kW / 236 bhp) from the series' 204 PS (150 kW / 201 bhp).

For aerodynamics/styling Carlsson has a new front lip spoiler and grille inserts made from electropolished stainless steel. At the rear there's the diffuser insert and rear spoiler which increase contact pressure at the rear axle.

Carlsson also lowers the suspension on the SLK by up to 30 mm and adds new wheels with rims offered between 18- to 20-inches in size.

On the inside, Carlsson provides personalized matching beading and stitching with a choice of leathers that include Carlsson Nappa, Carlsson Nappa Exclusive and Carlsson Nappa Exclusive Heavy Weight. The basic upholstering package does the seats, headrests and inside door panels. Carlsson also adds brushed-aluminum pedal pads with its own logos, as well as its own gear shifter. Accent trims come in "Alcantara appliques", carbon or fine wood inserts.

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