The Comparative Analysis :
Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19) vs. Mercedes E 400 Coupé 4MATIC 9G-TRONIC (17 - 18)
€ 70,900
€ 64,800
€ 70,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 64,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The CLS Coupé 450 EQ Boost is slightly bigger in every dimension. It's 6.4 inches longer, 1.2 inches wider and 0.2 inches taller than the E 400 Coupé.
CLS Coupé 450 EQ Boost
E 400 Coupé
56.5
74.4
81.5
56.3
73.2
80.9
74.4 in
Width
73.2 in
81.5 in
Width Incl. Mirrors
80.9 in
56.5 in
Height
56.3 in
115.7
196.4
113.1
190
196.4 in
Length
190 in
115.7 in
Wheelbase
113.1 in
Vehicle Weight
CLS Coupé 450 EQ Boost
E 400 Coupé
4277 lb
Curb Weight
4068 lb
5699 lb
Gross Vehicle
Weight
Weight
5203 lb
Weight Difference:
209 lb
4.89 %
General
CLS Coupé 450 EQ Boost
E 400 Coupé
C257
Generation
C238
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded

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

9-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
CLS Coupé 450 EQ Boost
E 400 Coupé
6-cylinder mild hybrid gasoline engine with turbocharger and electric driven compressor
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
Mercedes-Benz M 256
Engine Series
Mercedes-Benz M 276
M 256.930
Engine Code
M 276.823


4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
383 hp
at 5500 rpm
Power
328 hp
at 5250 rpm
CLS Coupé 450 EQ Boost
383 hp
328 hp
E 400 Coupé
369 lb‑ft
at 1600 rpm
Max. Torque
354 lb‑ft
at 1600 rpm
CLS Coupé 450 EQ Boost
369 lb‑ft
354 lb‑ft
E 400 Coupé
Performance
CLS Coupé 450 EQ Boost
E 400 Coupé
155 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
220 ft
0.000 sec
CLS Coupé 450 EQ Boost
62 mph
62
mph
mph
243 ft
0.000 sec
E 400 Coupé
▶ REPLAY
11.17 lb/hp
Weight-to-Power Ratio
12.4 lb/hp
CLS Coupé 450 EQ Boost
11.17 lb/hp
12.4 lb/hp
E 400 Coupé
Fuel Economy / Emissions
CLS Coupé 450 EQ Boost
E 400 Coupé
Fuel Economy
31 mpg
combined
29 mpg
CLS Coupé 450 EQ Boost
31 mpg
29 mpg
E 400 Coupé
24 mpg
city
21 mpg
39 mpg
highway
37 mpg
17.4 gal
Fuel Tank Capacity
17.4 gal
547 mi
Range
506 mi
CLS Coupé 450 EQ Boost
547 mi
506 mi
E 400 Coupé
Environmental Impact
142.1 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).
153.5 kWh
CLS Coupé 450 EQ Boost
142.1 kWh
153.5 kWh
E 400 Coupé
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6b (NEFZ)
306 g/mi (WLTP)
CO2 Emissions
295 g/mi (NEFZ)
Practical Convenience
CLS Coupé 450 EQ Boost
E 400 Coupé
4
Doors
3
5
No. of Seats
4
1422 lb
Maximum Payload
1135 lb
14.7 cu ft
Trunk Volume
12 cu ft










No data
Cargo Volume (Seats Down)
No data



















