Quick Specs
Gas Mileage
20 mpg City/28 mpg Hwy
Engine
Twin Turbo Premium Unleaded V-6, 3.0 L
EPA Class
Two Seaters
Style Name
SL 450 Roadster
Drivetrain
Rear Wheel Drive
Passenger Capacity
2
Passenger Doors
2
Body Style
Convertible
Dimensions
Vehicle
EPA Classification
Two Seaters
Weight Information
Base Curb Weight (lbs)
3826
Interior Dimensions
Front Leg Room (in)
42.9
Passenger Volume (ft³)
50.5
Front Shoulder Room (in)
55.5
Front Head Room (in)
39.1
Passenger Capacity
2
Front Hip Room (in)
53.6
Exterior Dimensions
Height, Overall (in)
51.2
Length, Overall (in)
182.3
Min Ground Clearance (in)
3.7
Track Width, Front (in)
62.8
Width, Max w/o mirrors (in)
73.9
Wheelbase (in)
101.7
Track Width, Rear (in)
63
Cargo Area Dimensions
Trunk Volume (ft³)
8.5
Fuel Economy
Fuel Tank
Fuel Tank Capacity, Approx (gal)
19.8
Mileage
EPA Fuel Economy Est - City (MPG)
20
EPA Fuel Economy Est - Hwy (MPG)
28
Fuel Economy Est-Combined (MPG)
22
Performance Specs
Engine
Fuel System
Gasoline Direct Injection
Engine Type
Twin Turbo Premium Unleaded V-6
SAE Net Horsepower @ RPM
362 @ 5500
Displacement
3.0 L/183
Engine Order Code
NA
SAE Net Torque @ RPM
369 @ 2000
Transmission
Trans Description Cont.
Automatic w/OD
Fourth Gear Ratio (:1)
1.64
Seventh Gear Ratio (:1)
0.86
Trans Order Code
421
Second Gear Ratio (:1)
3.24
Reverse Ratio (:1)
4.80
Trans Description Cont. Again
NA
Fifth Gear Ratio (:1)
1.21
Eighth Gear Ratio (:1)
0.72
Trans Type
9
Third Gear Ratio (:1)
2.25
Final Drive Axle Ratio (:1)
3.07
Drivetrain
Rear Wheel Drive
First Gear Ratio (:1)
5.35
Sixth Gear Ratio (:1)
1.00
Brakes
Disc - Rear (Yes or )
Yes
Brake ABS System
4-Wheel
Drum - Rear (Yes or )
NA
Front Brake Rotor Diam x Thickness (in)
14.2
Disc - Front (Yes or )
Yes
Rear Drum Diam x Width (in)
NA
Brake Type
4-Wheel Disc
Rear Brake Rotor Diam x Thickness (in)
12.6
Steering
Turning Diameter - Curb to Curb (ft)
36.2
Steering Type
Rack-Pinion
Tires
Front Tire Size
P255/35YR19
Rear Tire Order Code
R66
Rear Tire Size
P285/30YR19
Spare Tire Order Code
NA
Front Tire Order Code
R66
Spare Tire Size
NA
Wheels
Front Wheel Material
Aluminum
Rear Wheel Size (in)
19 X 9.5
Rear Wheel Material
Aluminum
Spare Wheel Size (in)
NA
Front Wheel Size (in)
19 X 8.5
Spare Wheel Material
NA
Suspension
Suspension Type - Rear (Cont.)
Multi-Link
Suspension Type - Rear
Multi-Link
Suspension Type - Front (Cont.)
Multi-Link
Suspension Type - Front
Multi-Link
Safety Features
Safety
Air Bag-Frontal-Driver
Yes
Air Bag-Frontal-Passenger
Yes
Air Bag-Passenger Switch (On/Off)
No
Air Bag-Side Body-Front
Yes
Air Bag-Side Body-Rear
No
Air Bag-Side Head-Front
Yes
Air Bag-Side Head-Rear
No
Brakes-ABS
Yes
Child Safety Rear Door Locks
No
Daytime Running Lights
Yes
Traction Control
Yes
Night Vision
No
Rollover Protection Bars
Yes
Fog Lamps
No
Parking Aid
No
Tire Pressure Monitor
Yes
Back-Up Camera
Yes
Stability Control
Yes
Other Features
Electronic Stability Control (ESC)
ABS And Driveline Traction Control
Side Impact Beams
Dual Stage Driver And Passenger Seat-Mounted Side Airbags
Emergency Sos
Collision Prevention Assist Plus
Tire Specific Low Tire Pressure Warning
Dual Stage Driver And Passenger Front Airbags
Curtain 1st Row Airbags
Airbag Occupancy Sensor
Driver And Passenger Knee Airbag
BabySmart Childseat Sensor
Outboard Front Lap And Shoulder Safety Belts -inc: Pretensioners
Back-Up Camera
ABS And Driveline Traction Control
Side Impact Beams
Dual Stage Driver And Passenger Seat-Mounted Side Airbags
Emergency Sos
Collision Prevention Assist Plus
Tire Specific Low Tire Pressure Warning
Dual Stage Driver And Passenger Front Airbags
Curtain 1st Row Airbags
Airbag Occupancy Sensor
Driver And Passenger Knee Airbag
BabySmart Childseat Sensor
Outboard Front Lap And Shoulder Safety Belts -inc: Pretensioners
Back-Up Camera
Warranty
Warranty
Basic Miles/km
50,000
Basic Years
4
Corrosion Miles/km
50,000
Corrosion Years
4
Drivetrain Miles/km
50,000
Drivetrain Years
4
Roadside Assistance Miles/km
50,000
Roadside Assistance Years
4
Looking for other models of the Mercedes-Benz SL Class?
Read reviews & get prices
Compare the 2020 Mercedes-Benz SL Class against the competition
Compare All Cars
