The engine is a robust inline 4-cylinder unit with the code 102.990, designed to run on petrol and featuring the Bosch CIS-E (KE Jetronic) multi-point fuel injection system. With a longitudinal alignment, this 2.5-liter engine boasts a displacement of 2498 cm³ (152.4 cu-in) and operates without forced induction (naturally aspirated).

The bore and stroke are 95.5 mm by 87.2 mm (3.76 x 3.43 inches), contributing to a compression ratio of 9.7:1. Equipped with 16 valves, it produces a maximum power output of 194 PS (191 HP / 143 kW) at 6750 rpm, while delivering peak torque of 235 Nm (173 lb-ft) at 5000 rpm. Power is sent to the rear wheels (RWD) through a 5-speed manual gearbox, making this engine an ideal combination of performance and driving dynamics

Mercedes Benz W201 190E 2.5-16 Engine Technical Data

Engine type – Number of cylinders Inline 4
Engine Code 102.990
Fuel type Petrol
Fuel System MPI – Bosch CIS-E (KE Jetronic)
Engine Alignment Longitudinal
Engine size – Displacement – Engine capacity 2498 cm3 / 152.4 cu-in
Bore x Stroke 95.5 x 87.2 mm
3.76 x 3.43 inches
Number of valves 16 Valves
Aspiration N/A
Compression Ratio 9.7
Maximum power – Output – Horsepower 194 PS / 191 HP / 143 kW
@ 6750 rpm
Maximum torque 235 Nm / 173 lb-ft
@ 5000 rpm
Drive wheels – Traction – Drivetrain RWD
Transmission Gearbox – Number of speeds 5 speed Manual

Mercedes Benz W201 190E 2.5-16 Fuel Consumption (Economy), Emissions and Range

This engine offers a combined fuel consumption of 9.8 L/100 km, which translates to approximately 29 MPG in the UK and 24 MPG in the US.

With a fuel tank capacity of 55 liters (14.5 US gallons or 12.1 UK gallons), the estimated driving range on a full tank is around 561 km (349 miles). The CO2 emissions are estimated at 234 g/km, reflecting its balance between performance and fuel efficiency.

Fuel Consumption – Economy – Combined 9.8 L/100 Km 29 MPG UK
24 MPG US
Range 561 Km / 349 miles
Fuel Tank Capacity 55 L
14.5 US gallons
12.1 UK gallons
CO2 emissions 234 g/Km (estimate)

Mercedes Benz W201 190E 2.5-16 Performance

This engine delivers a top speed of 230 km/h (143 mph) and accelerates from 0 to 100 km/h (0 to 62 mph) in just 7.7 seconds. These performance figures highlight its impressive balance between speed and acceleration, making it a capable and responsive choice for drivers seeking both performance and efficiency.

Top Speed 230 Km/h / 143 Mph
Acceleration 0 to 100 km/h (0 to 62 mph) 7.7 s

Mercedes Benz W201 190E 2.5-16 Size, Dimensions, Aerodynamics and Weight

This vehicle features a 4-door body style with a wheelbase of 266.0 cm (104.72 in), providing a stable foundation for its overall length of 443.0 cm (174.41 in), width of 171.0 cm (67.32 in), and height of 136.0 cm (53.54 in). It accommodates up to 5 passengers and offers a trunk capacity of 410 liters (14.5 cu-ft). The aerodynamic drag coefficient is optimized for performance.

The braking system includes vented discs at the front and standard discs at the rear. Both front and rear tires are sized 205/55 R15, ensuring balanced grip and handling. Weighing 1300 kg (2866 lbs), the vehicle boasts a weight-to-power ratio of 6.7 kg per horsepower, contributing to its nimble performance.

The suspension system consists of McPherson struts with an anti-roll bar at the front, and a multilink setup with an anti-roll bar at the rear, offering a comfortable and controlled ride.

Num. of Doors 4
Wheelbase 266.0 cm / 104.72 in
Length 443.0 cm / 174.41 in
Width 171.0 cm / 67.32 in
Height 136.0 cm / 53.54 in
Num. of Seats 5
Aerodynamic drag coefficient – Cx
Front Brakes – Disc dimensions Vented Discs
(- mm / – in)
Rear Brakes – Dics dimensions Discs
(- mm / – in)
Front Tyres – Rims dimensions 205/55 R15
Rear Tyres – Rims dimensions 205/55 R15
Curb Weight 1300 Kg / 2866 lbs
Weight-Power Output Ratio 6.7 kg/hp
Trunk / Boot capacity 410 L / 14.5 cu-ft
Front Suspension McPherson with anti-roll bar
Rear Suspension Multilink with anti-roll bar