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S350 BlueEFFICIENCY 7G-Tronic long base (306 hp)


Technical data

This S350 BlueEFFICIENCY 7G-Tronic long base (306 hp) engine was fitted in the W221 [Restyling] Sedan (4-door), which was produced by Mercedes-Benz from 2009 to 2013. In addition to this engine, 38 other engines were also available for this body — their technical data and fuel economy are accessible by clicking the body name at the top of the page.

Power & fuel consumption

City fuel consumption per 100 km10.3litre
Highway fuel consumption per 100 km6.1litre
Mixed fuel consumption per 100 km7.7litre
Fuel tank capacity83litre
Cruising rangefrom 810 to 1 360km
Fuel95 RON
Emission standardEURO V
Top speed250km/h
Acceleration (0–100 km/h)7.1second

Engine

Displacement3498cm3
Engine power306bhp
RPM at max powerto 6 500RPM
Maximum torque370Nm
RPM at max torque3500RPM
Engine typeGasoline
Cylinder layoutV-type
Injection typeDirect injection
Number of cylinders6
Valves per cylinder4
Bore92.9mm
Stroke86mm

Gearbox & drivetrain

GearboxAutomatic
Number of gears7
Drive wheelsRear-wheel drive
Turning circle12.2m

Body

Seats5
Length5226mm
Width1871mm
Height1485mm
Wheelbase3165mm
Front track1600mm
Rear track1606mm
Kerb weight1975kg
Gross weight2555kg
Displacement580kg
Min. boot capacity560litre
Max. boot capacity560litre
Permitted road-train weight4655kg
Body typeSedan

Suspension & brakes

Front suspensionIndependent, Pneumatic, Lever, Dampers
Rear suspensionIndependent, Pneumatic, Multi wishbone, Dampers
Front brakesVentilated disc
Rear brakesDisc

Real-world consumption (est.)

City12.4 litres / 100km
Highway7.3 litres / 100km
Average9.2 litres / 100km

Estimated from official figures. Actual consumption varies by driving style and conditions.

If you notice any incorrect technical data for Mercedes-Benz S-Class, please let us know. Contact us.