The Comparative Analysis :
Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19) vs. Mercedes CLS Coupé 400 7G-TRONIC PLUS (14 - 16)
€ 70,900
![Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)](graphbase/cars/cars_big_png/Mercedes_CLS_C257.png)
€ 63,300
![Mercedes CLS Coupé 400 7G-TRONIC PLUS (14 - 16)](graphbase/cars/cars_big/Mercedes_CLS_C218.webp)
€ 70,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 63,300
ⓘ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 a little bigger in every dimension. It's 2 inches longer, 0.4 inches wider and 0.7 inches taller than the CLS Coupé 400.
CLS Coupé 450 EQ Boost
CLS Coupé 400
56.5
74.4
81.5
55.8
74.1
81.7
74.4 in
Width
74.1 in
81.5 in
Width Incl. Mirrors
81.7 in
56.5 in
Height
55.8 in
115.7
196.4
113.1
194.4
196.4 in
Length
194.4 in
115.7 in
Wheelbase
113.1 in
Vehicle Weight
CLS Coupé 450 EQ Boost
CLS Coupé 400
4277 lb
Curb Weight
3913 lb
5699 lb
Gross Vehicle
Weight
Weight
4982 lb
![Mercedes CLS Coupé 450 EQ Boost 4MATIC 9G-TRONIC (18 - 19)](graphbase/cars/cars_big_png/Mercedes_CLS_C257.png)
Weight Difference:
364 lb
8.51 %
![Mercedes CLS Coupé 400 7G-TRONIC PLUS (14 - 16)](graphbase/cars/cars_big_png/Mercedes_CLS_C218.png)
General
CLS Coupé 450 EQ Boost
CLS Coupé 400
C257
Generation
C218
Coupe
Car Body Style
Coupe
Mid-Grade Unleaded
Fuel Type
Mid-Grade Unleaded
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
9-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
CLS Coupé 450 EQ Boost
CLS Coupé 400
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 276.850
![](graphbase/engines/Mercedes-Benz_M_256.png)
![](graphbase/engines/Mercedes-Benz_M_276.png)
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.5 L / 171 cu in
383 hp
at 5500 rpm
Power
328 hp
at 5250 rpm
CLS Coupé 450 EQ Boost
383 hp
328 hp
CLS Coupé 400
369 lb‑ft
at 1600 rpm
Max. Torque
354 lb‑ft
at 1200 rpm
CLS Coupé 450 EQ Boost
369 lb‑ft
354 lb‑ft
CLS Coupé 400
Performance
CLS Coupé 450 EQ Boost
CLS Coupé 400
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
![](graphbase/cars/cars_small_png/Mercedes_CLS_C257.png)
CLS Coupé 450 EQ Boost
62 mph
62
mph
mph
243 ft
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_CLS_C218.png)
CLS Coupé 400
▶ REPLAY
11.17 lb/hp
Weight-to-Power Ratio
11.93 lb/hp
CLS Coupé 450 EQ Boost
11.17 lb/hp
11.93 lb/hp
CLS Coupé 400
Fuel Economy / Emissions
CLS Coupé 450 EQ Boost
CLS Coupé 400
Fuel Economy
31 mpg
combined
33 mpg
CLS Coupé 450 EQ Boost
31 mpg
33 mpg
CLS Coupé 400
24 mpg
city
25 mpg
39 mpg
highway
42 mpg
17.4 gal
Fuel Tank Capacity
15.6 gal
547 mi
Range
516 mi
CLS Coupé 450 EQ Boost
547 mi
516 mi
CLS Coupé 400
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).
134.5 kWh
CLS Coupé 450 EQ Boost
142.1 kWh
134.5 kWh
CLS Coupé 400
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6b (NEFZ)
306 g/mi (WLTP)
CO2 Emissions
264 g/mi (NEFZ)
Practical Convenience
CLS Coupé 450 EQ Boost
CLS Coupé 400
4
Doors
4
5
No. of Seats
4
1422 lb
Maximum Payload
1069 lb
14.7 cu ft
Trunk Volume
13.5 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KS.png)
No data
Cargo Volume (Seats Down)
No data