2021 Mercedes-Benz CLS coupe (C257, facelift 2021) Dimensions, Size & Specs

The curb weight of the 2021 Mercedes-Benz CLS coupe (C257 facelift) ranges from 1725 kg to 1910 kg (3804 to 4210 lbs). The variation depends on different engine options, equipment, and trims. The maximum allowed weight (gross vehicle weight rating) sits between 2410 kg and 2560 kg (5312 to 5644 lbs). This difference accounts for passengers, cargo, and additional equipment, highlighting the vehicle’s balance of luxury, performance, and practicality.

The luggage capacity of the Mercedes-Benz CLS coupe (C257 facelift 2021) ranges from 490 liters to 520 liters (17.3 to 18.3 cubic feet). This is quite spacious for a luxury four-door coupe, outperforming many competitors in the segment that typically offer less cargo space due to their sportier design focus. The generous trunk space makes it practical for weekend trips or daily use with luggage or groceries, enhancing its usability beyond just style and performance.

Yes, the Mercedes-Benz CLS coupe (C257 facelift 2021) fits comfortably into a standard garage. With a length ranging from approximately 4.99 to 5.01 meters (16.4 to 16.5 feet), a width of about 1.89 meters (6.2 feet) without mirrors, and a height of roughly 1.43 meters (4.7 feet), the vehicle is well within the size limits of most residential garages. However, when mirrors are opened, the width extends to about 2.07 meters (6.8 feet), so it's best to fold the mirrors in to ensure smooth parking and avoid any accidental damage.

The Mercedes-Benz CLS coupe (C257 facelift 2021) measures between 1890 and 1896 mm (approximately 74.4 to 74.6 inches) in width without mirrors. When the side mirrors are opened, the width expands to 2069 mm (81.4 inches). This increase of around 179 mm (7 inches) should be taken into account when parking or navigating narrow spaces to avoid potential scrapes or collisions.

The roof load capacity of the Mercedes-Benz CLS coupe (C257 facelift 2021) is rated at 100 kg (approximately 220 lbs). This means you can safely transport additional cargo on the roof, such as roof boxes, bikes, or sports equipment, provided you use appropriate roof racks designed for the vehicle. Keep in mind that exceeding this load or improper distribution can negatively affect handling and fuel efficiency, so always adhere to manufacturer recommendations.

Compared to its predecessor (the 2014-2018 C218 CLS), the 2021 Mercedes-Benz CLS coupe (C257 facelift) is slightly larger and more refined. The C257 ranges from 4988 to 5012 mm in length, whereas its predecessor was about 4926 mm, offering more cabin space and presence on the road. Width increased modestly as well from around 1879 mm to 1890-1896 mm, improving shoulder room. Height is marginally lower or similar, helping emphasize its sleek coupe profile. This evolution reflects Mercedes-Benz's strategy to provide enhanced luxury, comfort, and sporty aesthetics.

When compared to rival luxury coupes such as the Audi A7, BMW 8 Series Gran Coupe, and Porsche Panamera, the Mercedes-Benz CLS coupe (C257 facelift 2021) holds its own with a length of approximately 5 meters (16.4 feet), width of about 1.89 meters (6.2 feet without mirrors), and height around 1.43 meters (4.7 feet). For instance, the Audi A7 measures roughly 4.97 meters in length, making the CLS slightly longer, which can translate to enhanced rear passenger space. Its luggage capacity (490-520 liters) also compares favorably, making it a well-rounded choice for buyers seeking luxury, style, and practicality.

The Mercedes-Benz CLS coupe (C257 facelift 2021) offers a variety of tire and rim sizes to suit different styles and performance needs. Rim widths range from 8.8J to 20.9J inches, including popular sizes such as 9J x 19-inch, 9J x 20-inch, and others. Tire sizes vary accordingly, including options like 275/35 R19, 275/30 R20, 245/40 R19, 245/35 R20, 275/40 R18, and 245/45 R18. This variety allows drivers to select configurations that balance ride comfort, sporty handling, and aesthetic appeal.

The 2021 facelift of the Mercedes-Benz CLS coupe (C257) brought several notable design and technology updates. Exterior enhancements include sharper LED headlights and taillights with updated graphics, a redesigned front grille, and new alloy wheel options that refresh its sporty yet elegant appearance. Inside, the facelift introduced the latest MBUX infotainment system with improved voice controls and larger displays, ensuring a modern user experience. Safety features were also upgraded, incorporating advanced driver assistance systems such as active lane keeping assist and improved adaptive cruise control, elevating both convenience and security.