1984-1989 Mercedes-Benz W124 260 E (170 Hp) Automatic

The Mercedes-Benz W124 260 E, produced from August 1984 to August 1989, represents a pivotal generation in the lineage of the E-Class, though the E-Class designation wouldn’t be formally adopted until the subsequent W210 series. Positioned as a mid-size luxury sedan, the W124 was designed to succeed the W201 (190E) and W116 models, offering a blend of comfort, durability, and understated elegance. The 260 E variant, equipped with a 2.6-liter inline-six engine and automatic transmission, was a popular choice for buyers seeking a refined and capable vehicle. The W124 established a new benchmark for build quality and safety within its segment, becoming a symbol of German engineering prowess.

The Mercedes-Benz W124 260 E: A Legacy of Engineering

The W124 series was a significant departure from its predecessors, incorporating advancements in aerodynamics, chassis design, and safety features. Its robust construction and focus on passenger protection earned it a reputation for longevity and reliability. The 260 E specifically, offered a compelling combination of performance and fuel efficiency for its time. While not overtly sporty, the inline-six engine provided smooth and responsive power delivery, making it well-suited for both city driving and long-distance touring. The automatic transmission further enhanced the driving experience, offering seamless gear changes and ease of operation.

Engine & Performance

At the heart of the 260 E lies the M103 E 26 / 103.940 engine, a 2.6-liter (2599 cm3 or 158.6 cu. in.) inline-six cylinder gasoline engine. This naturally aspirated engine produces 170 horsepower at 5800 rpm and 230 Nm (169.64 lb.-ft.) of torque at 4500 rpm. The engine’s power-to-weight ratio is 7.8 kg/Hp, and it delivers 65.4 Hp per liter of displacement. Acceleration from 0 to 100 km/h (0-62 mph) takes 9.5 seconds, while 0 to 60 mph is achieved in approximately 9 seconds. The 260 E boasts a maximum speed of 213 km/h (132.35 mph). Fuel consumption is rated at 12.1 l/100 km (19.4 US mpg, 23.3 UK mpg, 8.3 km/l) in urban conditions and 8.2 l/100 km (28.7 US mpg, 34.4 UK mpg, 12.2 km/l) on the extra-urban cycle. The engine utilizes multi-port manifold fuel injection and a single overhead camshaft (SOHC) valvetrain, contributing to its smooth operation and relatively efficient fuel delivery.

Design & Features

The W124 260 E is a four-door sedan with a classic, understated design. Its body is characterized by clean lines, a relatively upright stance, and a focus on functional elegance. The interior is spacious and well-appointed, offering comfortable seating for five passengers. Key features of the 260 E include hydraulic power steering, ventilated front disc brakes, and disc brakes on the rear axle. An Anti-lock Braking System (ABS) was also included, a significant safety advancement for the era. The suspension utilizes a wishbone design at the front and an independent multi-link suspension at the rear, providing a comfortable and controlled ride. The trunk offers a generous 520 liters (18.36 cu. ft.) of storage space. The vehicle rides on 195/65 R15 tires mounted on 6.5J x 15 inch wheel rims.

Technical Specifications

Brand Mercedes-Benz
Model W124
Generation W124
Type (Engine) 260 E (170 Hp) Automatic
Start of production August, 1984
End of production August, 1989
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 5
Doors 4
Fuel consumption (urban) 12.1 l/100 km (19.4 US mpg, 23.3 UK mpg, 8.3 km/l)
Fuel consumption (extra urban) 8.2 l/100 km (28.7 US mpg, 34.4 UK mpg, 12.2 km/l)
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 9.5 sec
Acceleration 0 – 62 mph 9.5 sec
Acceleration 0 – 60 mph 9 sec
Maximum speed 213 km/h (132.35 mph)
Weight-to-power ratio 7.8 kg/Hp
Weight-to-torque ratio 5.8 kg/Nm
Power 170 Hp @ 5800 rpm
Power per litre 65.4 Hp/l
Torque 230 Nm @ 4500 rpm (169.64 lb.-ft. @ 4500 rpm)
Engine layout Front, Longitudinal
Engine Model/Code M 103 E 26 / 103.940
Engine displacement 2599 cm3 (158.6 cu. in.)
Number of cylinders 6
Engine configuration Inline
Cylinder Bore 82.9 mm (3.26 in.)
Piston Stroke 80.25 mm (3.16 in.)
Compression ratio 10:1
Number of valves per cylinder 2
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated
Valvetrain SOHC
Engine oil capacity 6.5 l (6.87 US qt | 5.72 UK qt)
Coolant capacity 9.5 l (10.04 US qt | 8.36 UK qt)
Kerb Weight 1330 kg (2932.15 lbs.)
Max. weight 1850 kg (4078.55 lbs.)
Max load 520 kg (1146.4 lbs.)
Trunk (boot) space 520 l (18.36 cu. ft.)
Fuel tank capacity 70 l (18.49 US gal | 15.4 UK gal)
Length 4740 mm (186.61 in.)
Width 1740 mm (68.5 in.)
Height 1446 mm (56.93 in.)
Wheelbase 2800 mm (110.24 in.)
Front track 1497 mm (58.94 in.)
Rear track 1488 mm (58.58 in.)
Drivetrain Rear wheel drive
Number of gears 4
Gearbox type Automatic transmission

The Mercedes-Benz W124 260 E remains a highly regarded classic, appreciated for its build quality, reliability, and timeless design. It represents a significant milestone in Mercedes-Benz history, laying the foundation for the modern E-Class and continuing to offer a refined driving experience for enthusiasts today.

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