The Mercedes-Benz C124 300 CE, produced between August 1987 and August 1989, represents a sophisticated iteration of the W124 series coupe. Positioned as a premium offering within the W124 range, the 300 CE combined elegant styling with robust engineering, embodying Mercedes-Benz’s commitment to quality and performance. This model served as a desirable alternative to the sedan, offering a more sporting and exclusive experience. It was a key component of the second-generation C124 coupe, built upon the 124 platform, and aimed at buyers seeking a blend of luxury and dynamic driving characteristics.
Technical Specifications
| Brand | Mercedes-Benz |
| Model | W124 |
| Generation | C124 |
| Type (Engine) | 300 CE (180 Hp) |
| Start of production | August, 1987 |
| End of production | August, 1989 |
| Powertrain Architecture | Internal Combustion engine |
| Body type | Coupe |
| Seats | 4 |
| Doors | 2 |
| Fuel consumption (urban) | 13.5 l/100 km (17.4 US mpg, 20.9 UK mpg, 7.4 km/l) |
| Fuel consumption (extra urban) | 7.1 l/100 km (33.1 US mpg, 39.8 UK mpg, 14.1 km/l) |
| Fuel Type | Petrol (Gasoline) |
| Acceleration 0 – 100 km/h | 8.1 sec |
| Acceleration 0 – 62 mph | 8.1 sec |
| Acceleration 0 – 60 mph | 7.7 sec |
| Maximum speed | 225 km/h (139.81 mph) |
| Weight-to-power ratio | 7.7 kg/Hp, 129.5 Hp/tonne |
| Weight-to-torque ratio | 6.2 kg/Nm, 161.9 Nm/tonne |
| Power | 180 Hp @ 5700 rpm |
| Power per litre | 60.8 Hp/l |
| Torque | 225 Nm @ 4400 rpm (165.95 lb.-ft. @ 4400 rpm) |
| Engine layout | Front, Longitudinal |
| Engine Model/Code | M 103 E 30 / 103.983 |
| Engine displacement | 2962 cm3 (180.75 cu. in.) |
| Number of cylinders | 6 |
| Engine configuration | Inline |
| Cylinder Bore | 88.5 mm (3.48 in.) |
| Piston Stroke | 80.25 mm (3.16 in.) |
| Compression ratio | 9.2:1 |
| Number of valves per cylinder | 2 |
| Fuel injection system | Multi-port manifold injection |
| Engine aspiration | Naturally aspirated engine |
| Valvetrain | SOHC |
| Engine oil capacity | 6.5 l (6.87 US qt | 5.72 UK qt) |
| Coolant | 9 l (9.51 US qt | 7.92 UK qt) |
| Kerb Weight | 1390 kg (3064.43 lbs.) |
| Max. weight | 1840 kg (4056.51 lbs.) |
| Max load | 450 kg (992.08 lbs.) |
| Fuel tank capacity | 70 l (18.49 US gal | 15.4 UK gal) |
| Length | 4655 mm (183.27 in.) |
| Width | 1740 mm (68.5 in.) |
| Height | 1410 mm (55.51 in.) |
| Wheelbase | 2715 mm (106.89 in.) |
| Front track | 1497 mm (58.94 in.) |
| Rear track | 1488 mm (58.58 in.) |
| 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 | 5 gears, manual transmission |
| Front suspension | Wishbone |
| Rear suspension | Independent multi-link suspension |
| 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 | Front wheel tires: 195/65 R15Rear wheel tires: 195/65 R15 |
| Wheel rims size | Front wheel rims: 6.5J x 15Rear wheel rims: 6.5J x 15 |
Powertrain & Engine Architecture
The heart of the 300 CE was the M103 E 30 inline-six engine, a 2.962-liter (180.75 cubic inch) naturally aspirated powerplant. This engine was renowned for its smoothness and durability. It featured a single overhead camshaft (SOHC) valvetrain operating two valves per cylinder. Fuel delivery was managed by a Bosch K-Jetronic multi-port fuel injection system, a mechanical system known for its reliability, though less sophisticated than later electronic systems. The engine produced 180 horsepower at 5700 rpm and 225 Nm (165.95 lb-ft) of torque at 4400 rpm. The engine’s longitudinal mounting and rear-wheel-drive configuration were typical of Mercedes-Benz vehicles of this era. The 300 CE was exclusively offered with a 5-speed manual transmission, providing a more engaging driving experience compared to the automatic options available in other W124 models.
Driving Characteristics
The 300 CE with the manual transmission offered a balanced driving experience. Acceleration to 60 mph was achieved in approximately 7.7 seconds, and it could reach a top speed of 225 km/h (139.81 mph). The manual gearbox allowed for precise control over the engine’s power, making it more responsive than automatic-equipped versions. The gear ratios were well-chosen to provide strong acceleration in everyday driving situations. While not a sports car, the 300 CE offered a comfortable and refined ride, typical of Mercedes-Benz, with well-controlled body roll and predictable handling. The rear-wheel-drive layout contributed to a balanced feel, although it required careful throttle control in slippery conditions.
Equipment & Trim Levels
The 300 CE was well-equipped as standard, reflecting its position as a premium coupe. Standard features included power windows, central locking, a sunroof, and a high-quality sound system. The interior was typically finished in leather upholstery, with wood trim accents. Optional extras included automatic climate control, heated seats, and a more advanced audio system. The level of equipment varied depending on the market, with European models often featuring a more comprehensive standard specification than those sold in the United States. The dashboard layout was functional and elegant, with clear instrumentation and logically placed controls.
Chassis & Braking
The C124 chassis featured independent suspension all around, with a wishbone setup at the front and a multi-link system at the rear. This provided a comfortable ride and good handling characteristics. The 300 CE was equipped with ventilated disc brakes at the front and solid disc brakes at the rear, providing ample stopping power. An Anti-lock Braking System (ABS) was standard, enhancing safety by preventing wheel lockup during hard braking. The steering was a recirculating ball system with hydraulic power assistance, offering a good balance of feel and ease of use. The chassis was designed for both comfort and durability, contributing to the W124’s reputation for longevity.
Market Reception & Comparison
The 300 CE was generally well-received by automotive critics, who praised its elegant styling, refined interior, and smooth engine. The manual transmission version was particularly appreciated by enthusiasts for its engaging driving experience. Compared to the 260 CE, the 300 CE offered significantly more power and performance. While the 300 CE was more expensive than the 260 CE, it provided a noticeable step up in terms of driving enjoyment and prestige. Fuel economy was reasonable for a vehicle of its class, although it was not as fuel-efficient as smaller or more modern coupes. Reliability was generally excellent, consistent with Mercedes-Benz’s reputation at the time.
Legacy
The Mercedes-Benz C124 300 CE has become a sought-after classic car, appreciated by enthusiasts for its timeless design, robust engineering, and enjoyable driving experience. The M103 engine is known for its durability and relatively simple maintenance requirements. Well-maintained examples are becoming increasingly rare and valuable. While some components may require attention due to age, the 300 CE remains a reliable and rewarding vehicle for those willing to invest in its upkeep. The combination of a powerful engine, manual transmission, and elegant styling has cemented its place as a desirable classic Mercedes-Benz coupe.
