1995-1997 Mercedes-Benz C-class (W202) C 230 Kompressor (193 Hp) 5G-TRONIC

The Mercedes-Benz C 230 Kompressor, produced between September 1995 and June 1997, was a significant variant within the W202 C-Class range. Representing a mid-cycle enhancement to the first-generation C-Class, it introduced forced induction via a supercharger to the 2.3-liter inline-four engine, boosting performance and solidifying the C-Class’s position as a premium compact executive car. This model aimed to bridge the gap between the naturally aspirated C 180 and C 220 models and the more potent C 280 and C 36 AMG offerings. The C 230 Kompressor was primarily marketed in Europe and other international markets, offering a blend of performance and relative fuel efficiency within the luxury segment.

Technical Specifications

Brand Mercedes-Benz
Model C-class
Generation C-class (W202)
Type (Engine) C 230 Kompressor (193 Hp) 5G-TRONIC
Start of production September, 1995
End of production June, 1997
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 5
Doors 4
Fuel consumption (urban) 10.7 l/100 km (22 US mpg)
Fuel consumption (extra urban) 6.2 l/100 km (37.9 US mpg)
Fuel Type Petrol (Gasoline)
Maximum speed 227 km/h (141.05 mph)
Emission standard Euro 2
Weight-to-power ratio 7.4 kg/Hp
Weight-to-torque ratio 5.1 kg/Nm
Power 193 Hp @ 5300 rpm
Power per litre 84.1 Hp/l
Torque 280 Nm @ 2500-4800 rpm (206.52 lb.-ft. @ 2500-4800 rpm)
Engine layout Front, Longitudinal
Engine Model/Code M 111 E 23 ML / 111.975
Engine displacement 2295 cm3 (140.05 cu. in.)
Number of cylinders 4
Engine configuration Inline
Cylinder Bore 90.9 mm (3.58 in.)
Piston Stroke 88.4 mm (3.48 in.)
Compression ratio 8.8:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Supercharger, Intercooler
Valvetrain DOHC
Engine oil capacity 5.5 l (5.81 US qt | 4.84 UK qt)
Coolant 8.5 l (8.98 US qt | 7.48 UK qt)
Kerb Weight 1420 kg (3130.56 lbs.)
Max. weight 1890 kg (4166.74 lbs.)
Max load 470 kg (1036.17 lbs.)
Trunk (boot) space – minimum 430 l (15.19 cu. ft.)
Fuel tank capacity 62 l (16.38 US gal | 13.64 UK gal)
Max. roof load 100 kg (220.46 lbs.)
Length 4487 mm (176.65 in.)
Width 1720 mm (67.72 in.)
Height 1427 mm (56.18 in.)
Wheelbase 2690 mm (105.91 in.)
Front track 1499 mm (59.02 in.)
Rear (Back) track 1464 mm (57.64 in.)
Drag coefficient (Cd) 0.31
Minimum turning circle (turning diameter) 10.74 m (35.24 ft.)
Drivetrain Architecture Rear wheel drive
Drive wheel Rear wheel drive
Number of gears and type of gearbox 5 gears, automatic transmission 5G-TRONIC
Front suspension Double wishbone, Transverse stabilizer
Rear suspension Independent multi-link spring suspension with stabilizer
Front brakes Ventilated discs
Rear brakes Disc
Assisting systems ABS (Anti-lock braking system)
Steering type Cone worm with recirculation balls
Power steering Hydraulic Steering
Tires size 195/65 R15; 205/60 R15
Wheel rims size 6.5J x 15; 7J x 15

INTRODUCTION

The W202 C-Class, launched in 1993, was Mercedes-Benz’s entry into the compact executive car segment, replacing the W124. The C 230 Kompressor, introduced in 1995, represented a significant upgrade to the existing engine lineup. It was positioned as a performance-oriented alternative to the base C 180 and C 220 models, offering a noticeable power increase without the higher price tag of the C 280 or the full-fledged AMG models. The “Kompressor” designation signified the use of a mechanically driven supercharger, a technology Mercedes-Benz had previously employed in its larger vehicles. This variant was available primarily as a four-door sedan.

Powertrain & Engine Architecture

The heart of the C 230 Kompressor is the M111 E 23 ML engine, a 2.3-liter inline-four cylinder powerplant. This engine is notable for its cast iron block and aluminum cylinder head, a common configuration for Mercedes-Benz engines of the era. The key feature, of course, is the Roots-type supercharger, manufactured by Eaton. This supercharger provides boost across a broad RPM range, delivering a more linear power delivery compared to a turbocharger. The engine utilizes multi-port fuel injection and a double overhead camshaft (DOHC) valvetrain with four valves per cylinder. The engine code 111.975 specifically identifies this supercharged variant. The 5G-TRONIC automatic transmission, a five-speed unit, was the standard transmission offering. This transmission was known for its smooth shifting and adaptability to different driving styles. It featured electronic control for optimized gear selection.

Driving Characteristics

The C 230 Kompressor offered a noticeable improvement in performance over the naturally aspirated C 220. The supercharger provided strong low-end torque, making it feel responsive in everyday driving situations. While not a sports car, the C 230 Kompressor could accelerate from 0 to 60 mph in around 8.5 seconds and achieve a top speed of 141 mph. The 5G-TRONIC transmission contributed to a comfortable driving experience, with well-spaced gear ratios. Compared to the manual transmission options available on other C-Class models, the automatic prioritized smoothness and ease of use over outright performance. The supercharger’s boost was readily available, eliminating much of the need to downshift for overtaking maneuvers.

Equipment & Trim Levels

The C 230 Kompressor typically came equipped with a respectable level of standard features. This included power windows, power locks, central locking, and air conditioning. Interior upholstery was generally cloth, although leather was available as an option. Dashboard trim could be specified in wood or aluminum finishes. Optional extras included a sunroof, upgraded audio system, and automatic climate control. The C 230 Kompressor often sat in a mid-range trim level, offering a balance of luxury and performance features. It was a step up from the base models in terms of standard equipment and interior appointments.

Chassis & Braking

The W202 C-Class featured a double wishbone front suspension and an independent multi-link rear suspension, providing a comfortable and controlled ride. The C 230 Kompressor, due to its increased power, often received slightly stiffer suspension components compared to the lower-powered models. Braking duties were handled by ventilated discs at the front and solid discs at the rear. Anti-lock braking system (ABS) was standard. The steering was a recirculating ball system with hydraulic power assistance, offering a reasonable level of feel and precision.

Market Reception & Comparison

The C 230 Kompressor was generally well-received by automotive critics. It was praised for its strong performance, smooth transmission, and comfortable ride. However, some reviewers noted that the supercharger produced a noticeable whine under hard acceleration, which some found intrusive. Compared to the naturally aspirated C 220, the C 230 Kompressor offered a significant performance boost, but at the cost of slightly lower fuel economy. Against the C 280, it offered a similar level of performance at a lower price point, making it an attractive option for buyers seeking a balance of value and performance. Reliability was generally good, although the supercharger did require periodic maintenance.

Legacy

The C 230 Kompressor represents an important step in the evolution of the C-Class. It demonstrated Mercedes-Benz’s commitment to offering performance-oriented variants within its compact executive range. The M111 engine, with its supercharger, proved to be a durable and reliable powerplant. Today, the W202 C 230 Kompressor is considered a desirable classic by many Mercedes-Benz enthusiasts. Well-maintained examples are becoming increasingly rare and are sought after for their unique combination of performance, comfort, and classic Mercedes-Benz styling. While maintenance costs can be higher than more modern vehicles, the C 230 Kompressor offers a rewarding ownership experience for those willing to invest in its upkeep.

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