Technical Specifications
| Brand | Mercedes-Benz |
| Model | C-Class |
| Generation | C-Class Cabriolet (A205, facelift 2018) |
| Type | AMG C 43 V6 (390 Hp) 4MATIC TCT |
| Start of production | 2018 |
| End of production | 2023 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Cabriolet |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption at Low speed (WLTP) | 9.8 l/100 km (24 US mpg, 28.8 UK mpg, 10.2 km/l) |
| Fuel consumption at very high speed (WLTP) | 10.4 l/100 km (22.6 US mpg, 27.2 UK mpg, 9.6 km/l) |
| CO2 emissions (WLTP) | 224-236 g/km |
| Fuel consumption (economy) – urban | 12.7-12.9 l/100 km (18.5 – 18.2 US mpg, 22.2 – 21.9 UK mpg, 7.9 – 7.8 km/l) |
| Fuel consumption (economy) – extra urban | 7.6-7.9 l/100 km (30.9 – 29.8 US mpg, 37.2 – 35.8 UK mpg, 13.2 – 12.7 km/l) |
| Fuel consumption (economy) – combined | 9.5-9.8 l/100 km (24.8 – 24 US mpg, 29.7 – 28.8 UK mpg, 10.5 – 10.2 km/l) |
| CO2 emissions | 218-223 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 4.8 sec |
| Acceleration 0 – 62 mph | 4.8 sec |
| Acceleration 0 – 60 mph | 5.9 sec |
| Maximum speed | 250 km/h (155.34 mph) |
| Emission standard | Euro 6d-TEMP |
| Weight-to-power ratio | 4.6 kg/Hp, 215.5 Hp/tonne |
| Weight-to-torque ratio | 3.5 kg/Nm, 287.3 Nm/tonne |
| Power | 390 Hp @ 6100 rpm |
| Power per litre | 130.2 Hp/l |
| Torque | 520 Nm @ 2500-5000 rpm (383.53 lb.-ft. @ 2500-5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 276.823 |
| Engine displacement | 2996 cm3 (182.83 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | V-engine |
| Cylinder Bore | 88 mm (3.46 in.) |
| Piston Stroke | 82.1 mm (3.23 in.) |
| Compression ratio | 10.7:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Direct injection |
| Engine aspiration | BiTurbo, Intercooler |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 10.9 l (11.52 US qt | 9.59 UK qt) |
| Kerb Weight | 1810 kg (3990.37 lbs.) |
| Max. weight | 2315 kg (5103.7 lbs.) |
| Max load | 505 kg (1113.33 lbs.) |
| Trunk (boot) space – minimum | 285 l (10.06 cu. ft.) |
| Trunk (boot) space – maximum | 360 l (12.71 cu. ft.) |
| Fuel tank capacity | 66 l (17.44 US gal | 14.52 UK gal) |
| Permitted trailer load with brakes (12%) | 1000 kg (2204.62 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Length | 4693 mm (184.76 in.) |
| Width | 1810 mm (71.26 in.) |
| Height | 1405 mm (55.31 in.) |
| Wheelbase | 2840 mm (111.81 in.) |
| Front track | 1602 mm (63.07 in.) |
| Rear (Back) track | 1558 mm (61.34 in.) |
| Front overhang | 797 mm (31.38 in.) |
| Rear overhang | 1056 mm (41.57 in.) |
| Ride height (ground clearance) | 90 mm (3.54 in.) |
| Minimum turning circle (turning diameter) | 12.1 m (39.7 ft.) |
| Drive wheel | All wheel drive (4×4) |
| Number of gears and type of gearbox | 9 gears, automatic transmission TCT AMG SPEEDSHIFT |
| Front suspension | Independent multi-link suspension |
| Rear suspension | Independent multi-link suspension |
| Front brakes | Ventilated discs, 360 mm |
| Rear brakes | Ventilated discs, 320 mm |
| Tires size | Front wheel tires: 225/45 ZR18 Rear wheel tires: 245/40 ZR18 |
| Wheel rims size | Front wheel rims: 7.5J x 18 Rear wheel rims: 8.5J x 18 |
The AMG C 43 4MATIC TCT Cabriolet, launched in 2018 as part of the A205 facelift, offered a compelling package for enthusiasts seeking a performance convertible. Built on the rear-wheel-drive biased MRA (Modular Rear-wheel-drive Architecture) platform shared with other C-Class models, the C 43 distinguished itself with its potent engine and all-wheel-drive system. It occupied a sweet spot in the C-Class Cabriolet lineup, providing a significant step up in performance from the base models while remaining more accessible than the range-topping C 63. The facelift brought updated styling cues, enhanced technology, and refinements to the interior, further solidifying its position in the premium mid-size convertible segment.
Powertrain & Engine Architecture
At the heart of the C 43 lies the M276.823 3.0-liter V6 engine, featuring twin-scroll turbochargers and direct fuel injection. This engine, a member of Mercedes-Benz’s modular engine family, produces 390 horsepower at 6,100 rpm and 520 Nm (383.53 lb-ft) of torque between 2,500 and 5,000 rpm. The engine’s design prioritizes responsiveness and a broad torque curve, delivering strong acceleration throughout the rev range. The engine utilizes a nano-slide coating on the cylinder walls to reduce friction and improve efficiency. The engine is paired with the 9G-TRONIC nine-speed automatic transmission, branded as AMG SPEEDSHIFT TCT. This transmission offers quick and precise shifts, with the ability to manually select gears via steering wheel-mounted paddle shifters. The 4MATIC all-wheel-drive system is rear-biased, typically distributing power 31% to the front and 69% to the rear, enhancing driving dynamics and providing improved traction in various conditions.
Driving Characteristics
The C 43 Cabriolet delivers a noticeably engaging driving experience. The combination of the powerful V6 engine, the responsive 9G-TRONIC transmission, and the rear-biased all-wheel-drive system results in brisk acceleration and confident handling. The 0-60 mph sprint takes approximately 5.9 seconds, and the car is electronically limited to a top speed of 155 mph. The automatic transmission is well-tuned for both comfortable cruising and spirited driving, offering smooth gear changes in automatic mode and quick, decisive shifts when using the paddle shifters. While not as raw or track-focused as the C 63, the C 43 provides a satisfying balance of performance and everyday usability. The convertible top, a multi-layer acoustic soft top, provides good insulation from wind and road noise when raised, enhancing the overall driving experience.
Equipment & Trim Levels
The C 43 Cabriolet came well-equipped as standard, including features such as leather upholstery, heated and ventilated front seats, a premium sound system, and a comprehensive suite of safety technologies. Standard interior features included aluminum paddle shifters, sport seats, and a unique AMG instrument cluster display. Optional extras included a head-up display, a panoramic sunroof, and advanced driver-assistance systems like adaptive cruise control and lane-keeping assist. Exterior options included various wheel designs, paint colors, and aerodynamic enhancements. The interior trim options allowed for personalization, with choices ranging from aluminum to wood finishes.
Chassis & Braking
The C 43 Cabriolet features a sport-tuned suspension with adaptive damping, allowing drivers to adjust the ride comfort to their preferences. The front suspension utilizes a four-link design, while the rear employs a multi-link setup, both contributing to precise handling and stability. Braking duties are handled by ventilated discs on all four wheels, measuring 360mm at the front and 320mm at the rear. The braking system is enhanced by ABS (Anti-lock Braking System) and other electronic stability control features. The steering is a direct-steer system, providing precise and responsive steering feel.
Market Reception & Comparison
The AMG C 43 Cabriolet was generally well-received by automotive critics, who praised its performance, handling, and luxurious interior. It was often compared to rivals such as the BMW 4 Series Convertible and the Audi S5 Cabriolet. While some critics noted that it lacked the outright aggression of the C 63, the C 43 was lauded for its more accessible price point and its ability to deliver a refined yet engaging driving experience. Fuel economy, while not a primary focus for this type of vehicle, was considered reasonable for its performance level, averaging around 24-28 mpg in combined driving. Reliability reports have been generally positive, with few major issues reported.
Legacy
The C 43 Cabriolet represents a compelling offering in the used car market. The M276 V6 engine has proven to be relatively reliable, although regular maintenance is crucial. The 9G-TRONIC transmission is also known for its durability. The C 43’s combination of performance, luxury, and open-top motoring continues to appeal to buyers seeking a premium convertible experience. Its all-wheel-drive system makes it a practical choice for year-round driving, and its well-equipped interior ensures a comfortable and enjoyable ride. As a mid-range AMG model, it offers a good balance of performance and value, making it a desirable option for enthusiasts.
