The Mercedes-Benz CLK 280, produced from 2005 to 2009 as part of the C209 facelift generation, represented a compelling blend of luxury, performance, and refinement within the Mercedes-Benz coupe lineup. Positioned as a mid-range offering, it slotted between the entry-level CLK 220 and the higher-performance CLK 350 and CLK 55 AMG models. The C209 CLK series, built upon the W203 C-Class platform, aimed to deliver a more sporting and stylish alternative to the traditional C-Class sedan, appealing to buyers seeking a sophisticated grand tourer. This variant, with its 3.0-liter V6 engine, was particularly popular in European markets and found a niche following in North America as a desirable used luxury vehicle.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | CLK |
| Generation | CLK (C209, facelift 2005) |
| Type (Engine) | CLK 280 (231 Hp) |
| Start of production | 2005 |
| End of production | 2009 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 13.3-13.7 l/100 km (17.7 – 17.2 US mpg, 21.2 – 20.6 UK mpg, 7.5 – 7.3 km/l) |
| Fuel consumption (extra urban) | 6.8-7.2 l/100 km (34.6 – 32.7 US mpg, 41.5 – 39.2 UK mpg, 14.7 – 13.9 km/l) |
| Fuel consumption (combined) | 9.2-9.6 l/100 km (25.6 – 24.5 US mpg, 30.7 – 29.4 UK mpg, 10.9 – 10.4 km/l) |
| CO2 emissions | 220-229 g/km |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 7.4 sec |
| Acceleration 0 – 62 mph | 7.4 sec |
| Acceleration 0 – 60 mph | 7 sec |
| Maximum speed | 250 km/h (155.34 mph) – Electronically limited |
| Emission standard | Euro 4 |
| Weight-to-power ratio | 6.5 kg/Hp, 153.5 Hp/tonne |
| Weight-to-torque ratio | 5 kg/Nm, 199.3 Nm/tonne |
| Power | 231 Hp @ 6000 rpm |
| Power per litre | 77.1 Hp/l |
| Torque | 300 Nm @ 2500-5000 rpm (221.27 lb.-ft. @ 2500-5000 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 272.940 |
| 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 | 11.3:1 |
| Number of valves per cylinder | 4 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | DOHC |
| Engine oil capacity | 8 l (8.45 US qt | 7.04 UK qt) |
| Coolant | 10 l (10.57 US qt | 8.8 UK qt) |
| Kerb Weight | 1505 kg (3317.96 lbs.) |
| Max. weight | 2035 kg (4486.41 lbs.) |
| Max load | 530 kg (1168.45 lbs.) |
| Trunk (boot) space – minimum | 435 l (15.36 cu. ft.) |
| Fuel tank capacity | 62 l (16.38 US gal | 13.64 UK gal) |
| Max. roof load | 100 kg (220.46 lbs.) |
| Permitted trailer load with brakes (12%) | 1500 kg (3306.93 lbs.) |
| Permitted trailer load without brakes | 750 kg (1653.47 lbs.) |
| Permitted towbar download | 75 kg (165.35 lbs.) |
| Length | 4652 mm (183.15 in.) |
| Width | 1740 mm (68.5 in.) |
| Width including mirrors | 1991 mm (78.39 in.) |
| Height | 1413 mm (55.63 in.) |
| Wheelbase | 2715 mm (106.89 in.) |
| Front track | 1493 mm (58.78 in.) |
| Rear (Back) track | 1474 mm (58.03 in.) |
| Front overhang | 854 mm (33.62 in.) |
| Rear overhang | 1083 mm (42.64 in.) |
| Drag coefficient (Cd) | 0.28 |
| Minimum turning circle (turning diameter) | 10.76 m (35.3 ft.) |
| Drivetrain Architecture | The Internal combustion engine (ICE) drives the rear wheels of the vehicle. |
| Drive wheel | Rear wheel drive |
| Number of gears and type of gearbox | 6 gears, manual transmission |
| Front suspension | Independent type McPherson, Transverse stabilizer |
| Rear suspension | Independent multi-link suspension, Transverse stabilizer |
| Front brakes | Ventilated discs |
| Rear brakes | Disc |
| Assisting systems | ABS (Anti-lock braking system) |
| Steering type | Steering rack and pinion |
| Power steering | Hydraulic Steering |
| Tires size | Front wheel tires: 205/55 R 16; 225/45 R 17Rear wheel tires: 225/50 R 16; 245/40 R 17 |
| Wheel rims size | Front wheel rims: 7 J x 16; 7.5 J x 17Rear wheel rims: 8 J x 16; 8.5 J x 17 |
Powertrain & Engine Architecture
The CLK 280 was powered by the M272.940 3.0-liter naturally aspirated V6 engine. This engine, a cornerstone of Mercedes-Benz’s mid-2000s lineup, featured a 60-degree V-angle and utilized a magnesium block with aluminum cylinder heads. It employed a three-valve-per-cylinder design (two intake, one exhaust) and a double overhead camshaft (DOHC) valvetrain. Fuel delivery was managed by a multi-port fuel injection system, providing precise fuel metering for optimal combustion. The engine produced 231 horsepower at 6,000 rpm and 300 Nm (221 lb-ft) of torque between 2,500 and 5,000 rpm. The engine was paired with a 6-speed manual transmission, offering drivers a more engaging driving experience compared to the optional 5-speed automatic.
Driving Characteristics
The CLK 280 with the manual transmission offered a balanced driving experience. While not overtly sporty, the engine provided sufficient power for comfortable cruising and spirited driving. Acceleration from 0 to 60 mph took around 7 seconds, and the car could reach an electronically limited top speed of 155 mph. The 6-speed manual gearbox allowed for precise control and maximized the engine’s powerband. Compared to the automatic version, the manual offered a more direct connection to the engine and improved fuel efficiency. The CLK 280’s suspension, tuned for comfort, provided a smooth ride, absorbing road imperfections effectively. However, it wasn’t as sharp or responsive as the suspension found in the CLK 350 or AMG models.
Equipment & Trim Levels
The CLK 280 came standard with a generous array of features, including leather upholstery, automatic climate control, power-adjustable front seats, and a premium audio system. Optional extras included a sunroof, navigation system, heated seats, and upgraded interior trim. The interior design was characterized by Mercedes-Benz’s signature blend of luxury and functionality, with high-quality materials and a well-laid-out dashboard. The standard wheels were 16-inch alloy wheels, with 17-inch options available. Exterior styling cues included the CLK’s distinctive coupe silhouette, with a long hood and a sloping roofline.
Chassis & Braking
The CLK 280 featured an independent suspension system at all four wheels. The front suspension utilized McPherson struts with a transverse stabilizer bar, while the rear suspension employed a multi-link setup, also with a stabilizer bar. This configuration provided a good balance of ride comfort and handling. Braking duties were handled by ventilated disc brakes at the front and solid disc brakes at the rear, equipped with ABS (Anti-lock Braking System) for enhanced safety. The steering system was a rack-and-pinion setup with hydraulic power assistance, offering precise and responsive steering feel.
Market Reception & Comparison
The CLK 280 was generally well-received by automotive critics, who praised its stylish design, comfortable ride, and refined interior. However, some critics noted that the engine, while adequate, lacked the outright performance of the CLK 350. Compared to the CLK 350, the 280 offered better fuel economy and a lower price point, making it an attractive option for buyers who prioritized efficiency and value. The CLK 280 also offered a more engaging driving experience than the automatic-equipped models, thanks to its 6-speed manual transmission.
Legacy
The M272 engine family, including the 3.0-liter variant found in the CLK 280, is generally considered to be a reliable and durable powertrain. While some early examples experienced issues with balance shaft bolts, these were addressed with updated parts. Today, the CLK 280 remains a desirable used luxury coupe, offering a blend of style, comfort, and reliability. The manual transmission versions are particularly sought after by enthusiasts who appreciate their engaging driving experience. Maintenance costs are generally reasonable for a Mercedes-Benz of this era, although preventative maintenance is crucial to ensure long-term reliability.
