The Comparative Analysis :
Mercedes S 350 BlueEFFICIENCY 4MATIC 7G-TRONIC PLUS (11 - 13) vs. Bentley Mulsanne Speed Automatic (16 - ..)
€ 83,000

€ 330,500

€ 83,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 330,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Mercedes S 350 BlueEFFICIENCY is significantly smaller in every dimension. It's 18.9 inches shorter, 2.2 inches narrower and 1.4 inches lower than the Bentley Mulsanne Speed.
Mercedes S 350 BlueEFFICIENCY
Bentley Mulsanne Speed
58.5
73.7
83.5
59.9
75.8
86.9
73.7 in
Width
75.8 in
83.5 in
Width Incl. Mirrors
86.9 in
58.5 in
Height
59.9 in
119.5
200.6
128.6
219.5
200.6 in
Length
219.5 in
119.5 in
Wheelbase
128.6 in
Vehicle Weight
Mercedes S 350 BlueEFFICIENCY
Bentley Mulsanne Speed
4365 lb
Curb Weight
5919 lb
5688 lb
Gross Vehicle
Weight
Weight
7055 lb

Weight Difference:
1554 lb
26.25 %

General
Mercedes S 350 BlueEFFICIENCY
Bentley Mulsanne Speed
W221
Generation
Mulsanne
Sedan
Car Body Style
Sedan
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes S 350 BlueEFFICIENCY
Bentley Mulsanne Speed
V6 gasoline engine (naturally aspirated engine)
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
Mercedes-Benz M 276
Engine Series
Rolls-Royce–Bentley L-series V8
M 276.950
Engine Code
CZMB

4
Valves
4
6
Cylinders
8
3.5 L / 171 cu in
Displacement
6.8 L / 333 cu in
302 hp
at 6500 rpm
Power
530 hp
at 4000 rpm
Mercedes S 350 BlueEFFICIENCY
302 hp
530 hp
Bentley Mulsanne Speed
273 lb‑ft
at 3500 rpm
Max. Torque
811 lb‑ft
at 1750 rpm
Mercedes S 350 BlueEFFICIENCY
273 lb‑ft
811 lb‑ft
Bentley Mulsanne Speed
Performance
Mercedes S 350 BlueEFFICIENCY
Bentley Mulsanne Speed
155 mph
Maximum Speed
190 mph
6.9 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
315 ft
0.000 sec

Mercedes S 350 BlueEFFICIENCY
62 mph
62
mph
mph
223 ft
0.000 sec

Bentley Mulsanne Speed
▶ REPLAY
14.45 lb/hp
Weight-to-Power Ratio
11.17 lb/hp
Mercedes S 350 BlueEFFICIENCY
14.45 lb/hp
11.17 lb/hp
Bentley Mulsanne Speed
Fuel Economy / Emissions
Mercedes S 350 BlueEFFICIENCY
Bentley Mulsanne Speed
Fuel Economy
29 mpg
combined
16 mpg
Mercedes S 350 BlueEFFICIENCY
29 mpg
16 mpg
Bentley Mulsanne Speed
22 mpg
city
10 mpg
36 mpg
highway
No data
21.9 gal
Fuel Tank Capacity
25.4 gal
637 mi
Range
398 mi
Mercedes S 350 BlueEFFICIENCY
637 mi
398 mi
Bentley Mulsanne Speed
Environmental Impact
153.5 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
284.2 kWh
Mercedes S 350 BlueEFFICIENCY
153.5 kWh
284.2 kWh
Bentley Mulsanne Speed
Euro 5
Emission Standard
Euro 6
304 g/mi (NEFZ)
CO2 Emissions
550 g/mi (NEFZ)
Practical Convenience
Mercedes S 350 BlueEFFICIENCY
Bentley Mulsanne Speed
4
Doors
4
5
No. of Seats
4
1323 lb
Maximum Payload
1135 lb
15.9 cu ft
Trunk Volume
12.5 cu ft










No data
Cargo Volume (Seats Down)
No data