1977 Mercedes-Benz C123 Dimensions, Size & Specs

The Mercedes-Benz W123 C123 coupe measures 1786 mm (about 70.3 inches) in width. This relatively wide stance for its time provides adequate shoulder room for passengers and contributes to the car's stable handling characteristics. The width allows for a comfortable cabin space without making the vehicle overly bulky on the road.

The W123 C123 coupe has a height of 1395 mm (about 54.9 inches). This relatively low height emphasizes its sleek coupe styling but does mean the car offers moderate headroom compared to taller sedans or SUVs. It strikes a compromise between sporty aesthetics and interior comfort, suitable for most adult passengers.

The curb weight of the W123 C123 ranges from 1375 to 1625 kg (approximately 3030 to 3585 lbs). This substantial weight for a coupe of its era contributes to a solid, stable ride and enhances safety by providing a strong road presence. However, it can also impact fuel efficiency and acceleration compared to lighter contemporary vehicles.

The W123 C123 coupe's maximum weight capacity, or gross vehicle weight rating (GVWR), falls between 1895 and 2080 kg (about 4178 to 4586 lbs) depending on specific configurations. This capacity includes passengers, cargo, and fuel. It indicates that the car can handle a full passenger load and additional weight without compromising safety or drivability.

Yes, the Mercedes-Benz W123 C123 coupe fits comfortably into a standard residential garage. With a length up to 4763 mm (187.5 inches), width of 1786 mm (70.3 inches), and a height of 1395 mm (54.9 inches), it is well within the size limits of typical garages, which often measure about 6000 mm (20 feet) long and 3000 mm (10 feet) wide. This makes it practical for everyday parking and storage.

Compared to its predecessor, typically the W114/W115 series, the W123 C123 coupe is slightly larger and more refined dimensionally. The W123 coupe's length ranges from 4640 to 4763 mm compared to the predecessor's shorter wheelbase versions. Width and height remain similar but the W123 improved interior space utilization and ride comfort. Overall, the W123 coupe offered a more modern, aerodynamic design with subtle size increases that enhanced both aesthetics and passenger comfort.

In comparison to similar luxury coupes from the late 1970s and early 1980s, such as the BMW E24 6 Series or Audi Coupes of the era, the W123 C123 is competitively sized. While slightly shorter in length than some 6 Series models, it offers comparable width and a lower height for a sportier stance. The W123’s dimensions lend it a blend of elegance and practical cabin space, making it a formidable competitor in the luxury coupe segment of its day.

The Mercedes-Benz W123 C123 coupe uses rims sized 6J x 14 inches paired with tires sized 195/70 R14. These wheel dimensions are characteristic of the era, offering a balance between ride comfort and handling capability. The relatively narrow 195 mm tire width and high profile 70 aspect ratio enhance ride smoothness over less-than-perfect roads, while the 14-inch rims provide adequate contact patch for good grip and cornering stability.

The Mercedes-Benz W123 C123 coupe, produced between 1976 and 1985, is renowned for its timeless design, durability, and build quality. Intended as a luxury two-door alternative to the sedan, it combines classic Mercedes elegance with sporty proportions. Its production era represents a period when Mercedes focused on robustness alongside comfort and innovation. The C123 coupe holds a strong enthusiast following today due to its reputation for reliability and classic styling.