2020 Mercedes-Benz SL-Class Trims Comparison

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

Inside, you get dual-zone automatic climate control, sun-reflecting leather upholstery, heated seats, a navigation system, a COMAND infotainment system, Apple CarPlay and Android Auto, two USB ports, and an 11-speaker Harman Kardon sound system with a six-CD changer and satellite and HD radio.

The SL 550 adds AMG-branded 19-inch wheels, an automated parking system, an Airscarf neck-level heater, and ventilated seats with active side bolsters and massage functions.

Most of the SL 550's premium features are optional on the SL 450. All SLs are eligible for mobile Wi-Fi hotspot service and many interior upholstery and trim upgrades. AMG models can be outfitted with carbon-ceramic brakes and carbon-fiber exterior trim. For 2020, a Grand Edition model debuts with 20-inch rear wheels, pre-selected paint and interior trim choices, and diamond-quilted Designo leather upholstery.