Specs

Research 2018 Mercedes-Benz S-Class specs for the trims available. Choose the desired trim / style from the dropdown list to see the corresponding specs.

S 450 S 450 Sedan

Brakes

Brake ABS System 4-Wheel
Disc - Front (Yes or ) Yes
Disc - Rear (Yes or ) Yes
Rear Drum Diam x Width (in)
Front Brake Rotor Diam x Thickness (in) 13.2
Rear Brake Rotor Diam x Thickness (in) 11.8
Drum - Rear (Yes or )
Brake Type 4-Wheel Disc

Cargo Area Dimensions

Trunk Volume (ft³) 18.7

Electrical

Maximum Alternator Capacity (amps) 150
Cold Cranking Amps @ 0° F (Primary) 520

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year 8.1

Engine

Fuel System Gasoline Direct Injection
SAE Net Horsepower @ RPM 362 @ 5500
SAE Net Torque @ RPM 369 @ 1600
Engine Order Code
Engine Type Twin Turbo Premium Unleaded V-6
Displacement 3.0 L/182

Exterior Dimensions

Track Width, Rear (in) 63.2
Min Ground Clearance (in) 5
Track Width, Front (in) 63
Height, Overall (in) 58.9
Width, Max w/o mirrors (in) 74.8
Length, Overall (in) 206.5
Wheelbase (in) 124.6

Fuel Tank

Fuel Tank Capacity, Approx (gal) 20.7

Interior Dimensions

Front Shoulder Room (in) 59.7
Second Head Room (in) 39.2
Second Leg Room (in) 43
Second Shoulder Room (in) 59.1
Front Leg Room (in) 41.4
Front Head Room (in) 42.1
Second Hip Room (in) 61.5
Front Hip Room (in) 61.2
Passenger Capacity 5
Passenger Capacity 4

Mileage

EPA Fuel Economy Est - City (MPG) 19
Fuel Economy Est-Combined (MPG) 22
EPA Fuel Economy Est - Hwy (MPG) 28

Steering

Steering Type Rack-Pinion
Turning Diameter - Curb to Curb (ft) 39

Summary

Vehicle Name Mercedes-Benz S-Class
Body Style Sedan

Suspension

Suspension Type - Front Multi-Link
Suspension Type - Rear Multi-Link
Suspension Type - Front (Cont.) Multi-Link
Suspension Type - Rear (Cont.) Multi-Link

Tires

Front Tire Size P255/40YR20
Front Tire Size P245/50HR18
Rear Tire Size P285/30HR19
Rear Tire Size P225/40HR19
Rear Tire Size P285/35YR20
Rear Tire Size P245/50HR18
Spare Tire Size
Rear Tire Order Code R02
Spare Tire Order Code
Front Tire Size P255/35HR19
Front Tire Size P225/40HR19
Rear Tire Order Code R01
Rear Tire Order Code
Rear Tire Order Code
Rear Tire Order Code
Front Tire Order Code R02
Front Tire Order Code R01
Front Tire Order Code
Front Tire Order Code
Front Tire Order Code

Transmission

Final Drive Axle Ratio (:1) 2.47
Reverse Ratio (:1) 4.93
Sixth Gear Ratio (:1) 1.00
Fifth Gear Ratio (:1) 1.21
Fourth Gear Ratio (:1) 1.66
Third Gear Ratio (:1) 2.31
Second Gear Ratio (:1) 3.33
Trans Order Code 421
Trans Type 9
Drivetrain Rear Wheel Drive
Seventh Gear Ratio (:1) 0.86
Eighth Gear Ratio (:1) 0.72
First Gear Ratio (:1) 5.50
Trans Description Cont. Again
Trans Description Cont. Automatic w/OD

Vehicle

EPA Classification Large Cars

Wheels

Rear Wheel Size (in) 19 X 9.5
Rear Wheel Size (in) 18 X 8
Rear Wheel Size (in) 20 X 9.5
Spare Wheel Size (in)
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Spare Wheel Material
Front Wheel Size (in) 20 X 9.5
Front Wheel Size (in) 20 X 9.5
Front Wheel Size (in) 19 X 9.5
Front Wheel Size (in) 19 X 9.5
Front Wheel Size (in) 19 X 9.5
Front Wheel Size (in) 20 X 9.5
Front Wheel Size (in) 18 X 8
Rear Wheel Size (in) 19 X 9.5
Rear Wheel Size (in) 19 X 9.5
Rear Wheel Size (in) 20 X 9.5
Rear Wheel Size (in) 20 X 9.5