Although Mercedes-Benz offers the 2021 A-Class sedan in two trim levels, they are basically the same car, with the A220 4MATIC simply adding AWD. The powertrain and features remain identical. Under the hood of the A-Class sedan is a turbocharged 188-hp 2.0-liter inline-four engine mated to a seven-speed dual-clutch automatic transmission. The A-Class exterior features a panorama roof, LED headlights and taillights, and 17-inch or 18-inch alloy wheels. The interior gets 12-way power-adjustable seats with four-way lumbar support, 64-color LED ambient lighting, remote start via the Mercedes me mobile app, dual-zone climate control, and a seven-inch infotainment display with Apple CarPlay and Android Auto. Driver assistance systems include active brake assist, attention assist, blind-spot assist, and crosswind assist.