2008-2011 Mercedes-Benz CLC (CL203) CLC 350 (272 Hp) 7G-TRONIC

The Mercedes-Benz CLC 350, produced between April 2008 and February 2011, represented the high-performance variant of the CLC (C203) coupe. Positioned as the flagship model within the CLC range, it aimed to offer a more sporting and luxurious experience than the entry-level 1.8L and 2.0L models. Based on the W203 C-Class platform, the CLC was essentially a three-door coupe derivative intended to broaden Mercedes-Benz’s appeal to a younger demographic. The CLC 350, with its naturally aspirated V6 engine and 7G-TRONIC transmission, was a relatively short-lived but notable offering in the premium compact coupe segment.

Technical Specifications

Brand Mercedes-Benz
Model CLC
Generation CLC (CL203)
Type (Engine) CLC 350 (272 Hp) 7G-TRONIC
Start of production April, 2008
End of production February, 2011
Powertrain Architecture Internal Combustion engine
Body type Coupe
Seats 4
Doors 3
Fuel consumption (urban) 13.9 l/100 km (16.9 US mpg, 20.3 UK mpg)
Fuel consumption (extra urban) 7.3 l/100 km (32.2 US mpg, 38.7 UK mpg)
Fuel consumption (combined) 9.7 l/100 km (24.2 US mpg, 29.1 UK mpg)
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 6.3 sec
Acceleration 0 – 62 mph 6.3 sec
Acceleration 0 – 60 mph 6 sec
Maximum speed 250 km/h (155.34 mph)
Emission standard Euro 4
Weight-to-power ratio 5.8 kg/Hp, 173.2 Hp/tonne
Weight-to-torque ratio 4.5 kg/Nm, 222.9 Nm/tonne
Power 272 Hp
Power per litre 77.8 Hp/l
Torque 350 Nm @ 2400-5000 rpm (258.15 lb.-ft. @ 2400-5000 rpm)
Engine layout Front, Longitudinal
Engine Model/Code M 272.960
Engine displacement 3498 cm3 (213.46 cu. in.)
Number of cylinders 6
Engine configuration V-engine
Cylinder Bore 92.9 mm (3.66 in.)
Piston Stroke 86 mm (3.39 in.)
Compression ratio 10.7:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Engine oil capacity 8 l (8.45 US qt | 7.04 UK qt)
Kerb Weight 1570 kg (3461.26 lbs.)
Max. weight 2090 kg (4607.66 lbs.)
Max load 520 kg (1146.4 lbs.)
Trunk (boot) space – minimum 310 l (10.95 cu. ft.)
Trunk (boot) space – maximum 1100 l (38.85 cu. ft.)
Fuel tank capacity 62 l (16.38 US gal | 13.64 UK gal)
Length 4452 mm (175.28 in.)
Width 1728 mm (68.03 in.)
Height 1405 mm (55.31 in.)
Wheelbase 2715 mm (106.89 in.)
Minimum turning circle 10.8 m (35.43 ft.)
Drivetrain Architecture Rear wheel drive
Drive wheel Rear wheel drive
Number of gears 7 gears, automatic transmission
Front brakes Ventilated discs
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Tires size 225/45 R17
Wheel rims size 7J x 17

Powertrain & Engine Architecture

The heart of the CLC 350 is the M272.960 3.5-liter V6 engine. This engine, a naturally aspirated powerplant, features a 60-degree V-angle and utilizes a three-valve-per-cylinder (two intake, one exhaust) design. The M272 engine family was known for its smooth operation and relatively high output for its displacement. Fuel delivery is managed by a multi-port fuel injection system, and the engine benefits from variable valve timing on both the intake and exhaust sides. Paired with the engine is the 7G-TRONIC seven-speed automatic transmission. This transmission, a staple in Mercedes-Benz vehicles of the era, offered smooth and quick shifts, contributing to both performance and fuel efficiency. The 7G-TRONIC features a torque converter lock-up clutch that engages in higher gears to reduce slippage and improve fuel economy.

Driving Characteristics

The CLC 350 delivered a noticeably more engaging driving experience compared to the lower-powered variants. The 272 horsepower and 350 Nm (258 lb-ft) of torque provided brisk acceleration, with a 0-60 mph time of around 6 seconds. The 7G-TRONIC transmission played a crucial role in maximizing the engine’s output, offering well-spaced gear ratios. While not a dedicated sports car, the CLC 350 offered a good balance of performance and comfort. The rear-wheel-drive configuration contributed to a more balanced feel, although it lacked the all-weather capability of all-wheel-drive systems found in some competing models. Compared to the 1.8L Kompressor or 2.0L models, the CLC 350 felt significantly more powerful and responsive, particularly during overtaking maneuvers. The manual transmission options available on the lower trims offered a more direct connection to the engine, but the 7G-TRONIC in the CLC 350 provided a refined and effortless driving experience.

Equipment & Trim Levels

The CLC 350 typically came well-equipped as the range-topping model. Standard features included leather upholstery, automatic climate control, a multi-function steering wheel, and a premium audio system. Optional extras included a panoramic sunroof, bi-xenon headlights, and a navigation system. Interior trim options varied, with choices in wood or aluminum accents. The sport package, a popular option, added sport seats, a sport suspension, and unique exterior styling elements. The CLC 350 aimed to provide a more luxurious and refined interior experience than its more basic siblings.

Chassis & Braking

The CLC 350 utilized a MacPherson strut front suspension and a multi-link rear suspension. The suspension was tuned to provide a balance between comfort and handling. Braking duties were handled by ventilated discs at the front and solid discs at the rear. Anti-lock braking system (ABS) was standard. The CLC 350’s chassis was designed to handle the increased power output of the V6 engine, with slightly stiffer springs and dampers compared to the lower-powered models. The steering was power-assisted and provided a reasonably direct feel.

Market Reception & Comparison

The CLC 350 received generally positive reviews from automotive critics. It was praised for its strong engine, smooth transmission, and relatively sporty handling. However, some critics noted that the interior, while well-built, felt somewhat dated compared to newer competitors. Fuel economy, while reasonable for a V6 engine, was not a strong point. Compared to rivals like the BMW 135i and Audi TT, the CLC 350 offered a more comfortable ride but lacked the same level of outright performance. The CLC 350’s price positioned it competitively within the premium compact coupe segment.

Legacy

The M272 engine family, including the version used in the CLC 350, has proven to be relatively reliable, although regular maintenance is crucial. Common issues include oil leaks and occasional problems with the balance shaft. The 7G-TRONIC transmission is also generally reliable, but fluid changes should be performed at the recommended intervals. Today, the CLC 350 represents an affordable entry point into the Mercedes-Benz V6 experience. Well-maintained examples are sought after by enthusiasts who appreciate the car’s blend of performance, luxury, and relative rarity. While not a collector’s item, the CLC 350 has established a modest following in the used car market.

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