Mercedes2026 S 450 4MATIC Specs

2026 (W223) Mercedes S 450 4MATIC Specs & Performance

2026, 2027 (W223)

Tech Specs Summary


3 L Inline 6 Twincharged MHEV

155 mph

4.9 seconds

376 hp

29.1 mpg

4 Doors

5 Seats

18 ft3
lb
4,608 lbs
Front - AWD

Performance

Performance
Top Speed
155 mph
0-62 mph
4.9 seconds
0-60 mph
4.7 seconds
Power-to-Weight
12.26 lb/hp
Combined Power
376 hp
Combined Torque
413 lb·ft

Gas Mileage

Gas Mileage
Combined
29.1 mpg
Total Range
583 Miles
Tailpipe CO2
298 g/Mile

Electric Powertrain - Mild Hybrid

Electric Powertrain - Mild Hybrid
Peak Power
23 hp
23 ps
Peak Output
17 kW
Peak Torque
151 lb·ft
205 N·m

Gasoline Engine - Mild Hybrid

Gasoline Engine - Mild Hybrid
Capacity
3 Liter
183 in3
Layout
Inline 6
Aspiration
Twincharged
Peak Power
376 hp @ 5,000 RPM
381 ps @ 5,000 RPM
Peak Torque
413 lb·ft @ 2,000 RPM
560 N·m @ 2,000 RPM
Valvetrain
DOHC
Valves/Cylinder
4 (24v Total)
Fuel Delivery
Direct Injection
Position
Front Engine
Orientation
Longitudinal
Fuel
Gasoline
Fuel Tank Capacity
20.1 Gallons

More Engine Specs

More Engine Specs
Engine Name
M256 E30
Compression Ratio
10.5:1
Bore x Stroke
3.268 x 3.636 in
Bore-Stroke Ratio
0.9:1
Under-Square
Specific Output
2.05 hp/in3
Power/Cylinder
63 hp
Cylinder Volume
30.5 in3
BMEP
340.3 PSI
23.5 Bar

Drivetrain & Chassis

Drivetrain & Chassis
Driven Wheels
AWD
All-wheel Drive
Transmission (AT)
9 Speeds
Tyre Sizes
235/55R18
Front Suspension
Multi-Link
Rear Suspension
Multi-Link
Front Brakes
Vented Disc
Rear Brakes
Vented Disc

Dimensions & Practicality

Dimensions & Practicality
Body
Luxury Sedan
Door Count
4
Seat Count
5
Luggage Space
18 ft3
Turning Radius
38.1 ft
Curb Weight
4,608 lbs
Gross Weight
6,228 lbs
Maximum Payload
1,620 lbs
Towing Capacity
1,653-4,630 lbs
Length
204.5 in
Width
75.6 in
Height
59.2 in
Wheelbase
122.3 in
Front Track
65.4 in
Rear Track
66.5 in
★★★★★
★★★★★
3.5

Performance Rating3
Environment Rating1.2
Practicality Rating2.7

Pros & Cons vs Rivals

Performance
Environment
Practicality
Luggage
City Driving
Road Trips

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2026 Mercedes S 450 4MATIC Rankings

Fastest Mercedes #88 / 2.3K
Top HP/cu in Mercedes #170 / 2.2K
Fastest Sedans #208 / 5K
Best 0-62 mph Mercedes #311 / 2.3K
Quickest 0-62 Sedans #337 / 5K
Top BHP Mercedes #409 / 2.3K
Top Power/Weight Mercedes #464 / 2.3K
Most Powerful Sedans #474 / 5K
Top lb·ft Mercedes #505 / 2.3K
Best MPG Hybrid #726 / 900+
Best MPG Mercedes #1,061 / 2.3K
Fastest #1,765 / 22.9K
Quickest 0-62 mph #1,960 / 22.9K
Most Powerful #2,199 / 22.9K
Best MPG Sedans #2,311 / 5K
Best MPG #13,162 / 22.9K
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