2018 Mercedes-Benz SL-Class Review, Specs, Release Dates

2018 Mercedes-Benz SL Class Photos

After receiving major updates last year, the 2018 Mercedes-Benz SL-Class roadster maintains its top position in the convertible luxury segment. Of course, with four powerful engine options, the SL-Class adaptive suspension damps the bumps and provides excellent agility on the winding road. Integrated this sporty attribute integration with the luxurious and quiet cabin, which makes the SL-Class a high standard for luxury convertibles.

Trim and Features

The 2018 Mercedes-Benz SL-Class is a two-seat convertible with a power-folding hardtop. It’s available in four trim levels: SL 450, SL 550, AMG SL 63 and AMG SL 65, which are distinguished by their engines.

Standard equipment for the SL 450 include keyless entry and ignition, 19-inch wheels, an adaptive suspension, front and rear parking sensors, LED running lights, LED headlights, automatic high beams, a power windblocker, automatic wipers, headlight washers, forward collision warning and mitigation, a panoramic sunroof and selectable drive modes.

Inside, you’ll get sun-reflecting leather upholstery, dual-zone automatic climate control, power-adjustable heated seats, a power-adjustable steering wheel, Android Auto and Apple CarPlay, the COMAND infotainment system, voice controls, a navigation system, Mercedes Mbrace emergency communications, two USB ports, and an 11-speaker Harman Kardon sound system with a six-CD changer, HD satellite radio.

The 2018 Mercedes-Benz SL 550 adds AMG 19-inch wheels, an automated parking system, a power trunklid with hands-free activation, the Airscarf neck-level heater, ventilated seats with active side bolsters and massage functions.

The AMG SL 63 gets a limited-slip differential, upgraded brakes, a high-performance drive and suspension settings, Active Body Control which mitigates body roll while cornering, a simulated-suede headliner, upgraded leather upholstery, unique AMG gauges and other AMG-themed aesthetic flourishes, and a dashtop analog clock made by International Watch Co.

The 2018 Mercedes-AMG SL 65 gets adaptive LED headlights, staggered-diameter wheels (19-inch front, 20-inch rear), soft-closing doors, adaptive cruise control, the Magic Sky Control electrochromic dimming roof, lane keeping assist, blind-spot monitoring, rear collision mitigation and a 12-speaker Bang & Olufsen sound system.

Most feature on higher trims is optional on lower models. Every 2018 Mercedes-Benz SL-Class can be equipped with mobile Wi-Fi hotspot and many interior upholstery and trim upgrades. The AMG models can be outfitted with carbon-fiber exterior trim and carbon-ceramic brakes.

Engine Specs

The 2018 Mercedes-Benz SL 450 is powered by a turbocharged 3.0-liter V6 engine that produces 362 horsepower and 369 pound-feet of torque. A nine-speed automatic transmission with manual shift control sends power to the rear wheels. Mercedes estimates the SL450 will reach 60 mph in 4.9 seconds. EPA fuel-economy estimates stand at 23 mpg combined (20 city/28 highway).

The 2018 Mercedes-Benz SL 550 comes standard with a turbocharged 4.7-liter V8 good for 449 hp and 516 lb-ft of torque. Its paired with a nine-speed automatic transmission. It can sprint to 60 mph in an estimated 4.3 seconds. EPA fuel-economy at 20 mpg combined (17 city/25 highway).

Ther 2018 Mercedes AMG SL 63 heats things up with a bigger turbocharged 5.5-liter V8 engine producing 577 horsepower and 664 lb-ft of torque. It gets a high-performance, seven-speed automatic transmission. Mercedes claims a 0 to 60 mph time in 4 seconds. EPA estimated fuel economy rated at 19 mpg combined (16 city/25 highway).

Finally, the 2018 AMG SL65 gets a turbocharged 6.0-liter V12 engine that burst out a prodigious 621 hp and 738 lb-ft of torque. It keeps the seven-speed transmission. Mercedes estimates it will reach 60 mph in just 3.9 seconds. EPA estimated fuel economy at 16 mpg combined (13 city/22 highway).

2018 Mercedes SL 65 AMG Engine Photos


The 2018 Mercedes-Benz SL-Class is built more for comfort than performance. Taller and larger drivers will find plenty of space, and the wide range of seat adjustments ensure almost all passengers will find ideal seating position. The multi-contour seats further enhance the comfort with side bolsters adjustment for lateral support and massage functions to reduce fatigue on long distance traveling. In hot weather, the sun-reflected skin and a cooled seat will keep you from overheating, and when the weather changes, the Airscarf will keep you comfortable with warm breezes behind the neck.

The material quality is excellent throughout the cabin, qualified for cars in the high price range. Like other Mercedes vehicles, the COMAND infotainment system takes a little time to adapt, but after a while the menu is very easy to use.

The 2018 Mercedes-Benz SL-Class also offers a Magic Sky roof that allows you to enjoy a clear sunroof panorama or switch to dark glass using just a button. There’s still an open-top touring attraction, and now the power-folding top can be operated at speeds up to 25 mph. The wind noise is kept by the windblocker power, allowing you to have a conversation on the highway without raising your voice.

Convertibles with folding hardtop roofs usually provide only very little cargo space when the top is down, but the 2018 SL-Class is able to provide a decent 8.5 cubic feet capacity. With the roof up, there are 13.5 cubic feet available. The hands-free trunk opener makes loading easier by popping the trunk with swiping your feet under the rear bumper.

Release Date and Prices

The 2018 Mercedes-Benz SL-Class is on sale and arriving now at dealers nationwide. Direct competition includes the BMW 6 Series, Jaguar F-Type, and Porsche 911.

Official price for the SL 450 starting at $89,195 (all prices include the $995 transportation charge). Getting into the SL 550 costs you $113,295. The AMG-badged SL 63 costs $153,845 and the range-topping model SL 65 AMG starts at $222,995.

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