Car technical specifications and fuel economy / consumption / mpg

Comparison Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp) & Mercedes-Benz A-class (W177) A 250 (224 Hp) DCT


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Mercedes-Benz S-class Long (W221) S 420 CDI (320 Hp)
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Mercedes-Benz A-class (W177) A 250 (224 Hp) DCT
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Brand: Mercedes-Benz Mercedes-Benz
Model: S-class A-class
Generation: S-class Long (W221) A-class (W177)
Engine / modification: S 420 CDI (320 Hp) A 250 (224 Hp) DCT
Production start: 2006 year 2018 year
Production end: 2009 year
Coupe type: Sedan Hatchback
Num. of Doors: 4 5
Num. of seats: 5 5
Fuel consumption / economy - urban: 13.0 l/100 km 8.1-8.4 l/100 km
Fuel consumption / economy - extra urban: 7.2 l/100 km 5.1-5.4 l/100 km
Fuel consumption / economy - combined: 9.4 l/100 km 6.2-6.5 l/100 km
Fuel consumption at Low speed (WLTP): 6.7 l/100 km
Fuel Type: Diesel Petrol (Gasoline)
Fuel tank volume: 90 l 43 l
Fuel consumption at very high speed (WLTP): 7.5 l/100 km
Emission standard: EURO IV Euro 6
CO2 emissions: 141-149 g/km
Power: 320 hp 224 hp
Max power in: 3600 rpm. 5500 rpm.
Maximum speed: 250 km/h 250 km/h
Acceleration from 0 to 100 km/h: 6.0 sec 6.2 sec
CO2 emissions (WLTP): 152-170 g/km
Torque: 730 Nm/2200 rpm. 350 Nm @ 1800 rpm.
Model Engine: M 260.920
Engine position: Front, longitudinal Front, transverse
Engine displacement: 3996 cm3 1991 cm3
Engine oil capacity: 5.5 l
Fuel System: Diesel Commonrail Direct injection
Aspiration / Turbine: Turbocharging Turbocharger
Position of cylinders: V engine Inline
Valvetrain: DOHC
Number of cylinders: 8 4
Number of valves per cylinder: 4 4
Compression ratio: 18
Piston Stroke: 86 mm
Cylinder Bore: 86 mm
Wheel Drive: Rear wheel drive Front wheel drive
Number of Gears (automatic transmission): 7 7G-DCT
Length: 5206 mm 4419 mm
Width: 1871 mm 1796 mm
Width including mirrors: 1992 mm
Height: 1473 mm 1440 mm
Wheelbase: 3165 mm 2729 mm
Front track: 1600 mm 1567 mm
Rear (Back) track: 1606 mm 1547 mm
Ride height(clearance): 104 mm
Approach angle: 13.4 °
Departure angle: 17.2 °
Ramp angle: 9.4 °
Front overhang: 914 mm
Rear overhang: 776 mm
Minimum volume of Luggage (trunk): 560 l
Maximum amount of Luggage (trunk): 370 l
Front suspension: Pneumatic elastic element
Rear suspension: Pneumatic elastic element
Max weight: 2580 kg 1965 kg
Front brakes: Ventilated discs Ventilated discs
Rear brakes: Disc Disc
Kerb Weight: 2000 kg 1380 kg
ABS: yes yes
Steering type: Steering rack and pinion Steering rack and pinion
Power steering: Electric Steering
Permitted trailer load with brakes (12%): 1600 kg
Permitted trailer load without brakes: 725 kg
Tire size: 235/55 R17
Wheel rims size: 8Jx17