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Mercedes-Benz SL 550 Roadster

(2008 model)

Brief specs of 2008 Mercedes-Benz SL 550 Roadster

2-door 2-seater convertible (cabriolet), 8-cylinder 32-valve V engine, DOHC (double overhead camshafts, twin cam), 5461 cm3 / 333.3 cu in / 333.3 cu in, 285.0 kW / 382.2 hp / 382.2 hp @ 6000 rpm / 6000 rpm / 6000 rpm, 530.2 N·m / 391.1 lb·ft / 391.1 lb·ft @ 2800 rpm / 2800 rpm / 2800 rpm, automatic 7-speed transmission, consumption 14.7 l/100km / 19.2 mpg-UK / 16.0 mpg-US

units: metric UK US

Basic (general) data

Marque (make)Mercedes-BenzIssued from2008
ModelSL 550 RoadsterIssued until
SerieSL classNumber made
Model familyBody construction
Model codeBody designation
ManufacturerMercedes-BenzCountryDE

Bodywork

Base platformNumber of doors2
Bodywork typeconvertible (cabriolet)Number of seats2
Bodywork designerCargo capacity (volume)198 l / 6.99 cu ft / 6.99 cu ft
Passenger space (volume)1416 l / 50.01 cu ft / 50.01 cu ftMax. cargo capacity (volume)

Dimensions & Weight

Length4540 mm / 178.7 in / 178.7 inTotal (curb) weight
Width1820 mm / 71.7 in / 71.7 inDry weight
Height1300 mm / 51.2 in / 51.2 inLoad capacity
Wheelbase2570 mm / 101.2 in / 101.2 inGross (max.) weight1914 kg / 4220 lb / 4220 lb
Track frontTowing weight
Track rearWeight distribution (front)
Ground clearanceFuel capacity80 l / 17.6 UK gal / 21.1 US gal
Length/wheelbase ratio1.77  

Aerodynamics

Drag coefficient (Cd, Cx, Cw)Frontal area (A)2.01 m2 / 21.6 sq ft / 21.6 sq ft (est.)
Aerodynamic coefficient (Cd×A)Aerodynamic resistance (Aero horse power) at 100 km/h (62 mph)

Engine

Engine CodeTotal number of cylinders8
Engine TypeV engine (V8)Total number of valves32
Engine ManufacturerValves per cylinder4
Engine constructionBore
FuelStroke
Fuel detailsBore/Stroke ratio
Fuel supplyInjection. Sequentially electronic fuel injectionEngine displacement5461 cm3 / 333.3 cu in / 333.3 cu in
Engine Main bearingsUnitary capacity
Cam DesignDOHC (double overhead camshafts, twin cam)Compression ratio
SumpMax. output power285.0 kW / 382.2 hp / 382.2 hp at 6000 rpm / 6000 rpm / 6000 rpm
AspirationMax. torque530.2 N·m / 391.1 lb·ft / 391.1 lb·ft at 2800 rpm / 2800 rpm / 2800 rpm
Compressor typeMaximum rpm
IntercoolerMax. net output (power at the wheels)114.0 kW / 152.9 hp / 152.9 hp (est.)
CoolantSpecific output52.2 kW/l / 1.147 bhp/cu in / 1.147 bhp/cu in
Catalytic converterSpecific torque97.1 N·m/l / 0.85 lb·ft/cu in / 0.85 lb·ft/cu in

Transmission

Transmission typeautomaticNumber of gears7
Wheel driveTop gear (drive) ratio
  Final gear (drive) ratio

Performance

Acceleration 0-50 mph (80 km/h)Top (maximal) speed
Acceleration 0-60 mph (97 km/h)Power-to-weight ratio
Acceleration 0-100 km/hFuel consumption, City (urban)16.8 l/100km / 16.8 mpg-UK / 14.0 mpg-US
Acceleration 0-100 mph (160 km/h)Fuel consumption, Road (extra-urban)11.2 l/100km / 25.2 mpg-UK / 21.0 mpg-US
Acceleration 80-120 km/h (50-70 mph) in topFuel consumption, Mixed (combined)14.7 l/100km / 19.2 mpg-UK / 16.0 mpg-US
Standing ¼mile time Fuel consumption, Euro
Standing kilometer time CO2 emissions
  Range544 km / 338 mi / 338 mi

Chassis

Engine locationfrontEngine alignmentlongitudinal
SteeringSteering detailsTraction control
Turns lock-to-lockTurning circle12.0 m / 39.4 ft / 39.4 ft
Suspension frontSuspension rear
Wheels frontWheels rear
Tyres front255/40-ZR18Tyres rear255/40-ZR18
Brakes frontventilated discBrakes rearventilated disc
Brake diameter frontBrake diameter rear
Brakes detailsABS (anti-lock braking system)Braked area

Technical specifications and performance data of Mercedes-Benz SL 550 Roadster

Infobox

The Varying Drivers License Requirements Around the World

Minimum driving ages, the number of passengers young drivers can have with them at any time, the times of day that drivers under the age of 18 can drive…

These all vary depending on where young motorists are driving. They vary, even, across the United States.

For instance, in Maine, motorists under the age of 18 aren’t allowed to have any passengers with them as they drive for the first 180 days after they obtain their licenses. In Alabama, motorists under the age of 18 can have one passenger with them.

And that’s just one example of the differences in driving license requirements from one part of the country to the next. The differences are even more pronounced when comparing one country to another. Minimum driving ages vary widely across the world. While most states in the United States allow youngsters to earn their learner’s permits at the age of 15, many other countries require their residents to be much older before they get behind the wheel of a car.

(...)

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