Engine and drive system: Efficiency and temperament

Powerful and efficient petrol and diesel engines, all equipped with the ECO start/stop function and complying with Euro 6 emissions standards, provide for lively performance and great fun at the wheel. At the same time they lower fuel consumption and CO2 emissions by up to 20 percent compared with the predecessor thanks to high energy efficiency.
The further advanced four-cylinder diesel engine with a displacement of 2.2 litres is eco-friendly and powerful. In the new C-Class Coupé it produces outputs of 125 kW/170 hp and 150 kW/204 hp. Both variants are equipped with SCR technology (Selective Catalytic Reduction) for emission control, which makes especially environmentally friendly driving possible.
Diesel engines boasting top efficiency
Model
Displacementcc
kW/hp
Nm
0-100 km/h
in s
l/100 km
CO2
g/km
C 220 d
Manual transmission
(9G-TRONIC)
2143
125/170
400
7.8
(7.5)
4.1
(4.1)
106
(106)
C 250 d
9G-TRONIC
2143
150/204
500
6.7
4.2
109
 
In addition, four petrol engines are initially available. The output spectrum ranges from the 1.6-litre four-cylinder engine in the C 180 rated at 115 kW/156 hp to the two-litre C 200 (135 kW/184 hp) and C 250 (155 kW/211 hp) models and the C 300, likewise with a displacement of two litres but with an output of 180 kW/245 hp.
All four-cylinder engines share the third-generation direct injection system with spray-guided combustion. The system pressure is up to 200 bar with the pressure being variably optimised in line with the engine mapping. Piezo injectors enable optimal mixture formation with up to five injections per power stroke.
This technology is rounded out by the rapid multi-spark ignition (MSI), which is able to trigger up to four sparks a millisecond as required. The interplay of both technologies enable outstanding fuel utilisation with minimal emissions.
The thermal management system with on-demand water pump also operates efficiently.
Powerful petrol engines
Model
Displacementcc
kW/hp
Nm
0-100 km/h
in s
l/100 km
CO2
g/km
C 180
Manual transmission
(7G-TRONIC PLUS)
1595
115/156
250
8.5
(8.8)
5.3
(5.4)
122
(126)
C 200
Manual transmission
(7G-TRONIC PLUS)
1991
135/184
300
7.7
(7.3)
5.3
(5.4)
123
(125)
C 250
7G-TRONIC PLUS
1991
155/211
350
6.8
5.4
125
C 300
7G-TRONIC PLUS
1991
180/245
370
6.0
6.3
146
 
Optimised powertrain for more comfort and efficiency
Power is sent to the road via either a 6-speed manual transmission, the 7G-TRONIC PLUS 7-speed automatic transmission or the new 9-speed 9G-TRONIC. Both automatic transmissions are equipped with the DIRECT SELECT selector lever and DIRECT SELECT paddle shifters.
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  • 15C717_161
    Mercedes-Benz C-Class Coupé C 300, selenit grey, leather cranberry red, engine compartment
  • 15C718_159
    Mercedes-Benz C-Class Coupé C 250 d 4MATIC, hyacinth red, leather porcellain/black, engine compartment
  • 15C941_01
    Mercedes-Benz C 180 Coupé, power diagram (german Version)
  • 15C941_03
    Mercedes-Benz C 200 Coupé, power diagram (german version)
  • 15C941_02
    Mercedes-Benz C 180 Coupé, power diagram
  • 15C941_04
    Mercedes-Benz C 200 Coupé, power diagram
  • 15C941_05
    Mercedes-Benz C 220 d Coupé, power diagram (german version)
  • 15C941_06
    Mercedes-Benz C 220 d Coupé, power diagram
  • 15C941_07
    Mercedes-Benz C 250 Coupé, power diagram (german version)
  • 15C941_08
    Mercedes-Benz C 250 Coupé, power diagram
  • 15C941_09
    Mercedes-Benz C 250 d Coupé, power diagram (german version)
  • 15C941_10
    Mercedes-Benz C 250 d Coupé, power diagram
  • 15C941_11
    Mercedes-Benz C 300 Coupé, power diagram (german version)
  • 15C941_12
    Mercedes-Benz C 300 Coupé, power diagram
  • 15C943_01
    Mercedes-Benz C-Class Coupé, 4-cylinder diesel engine, OM651 series
  • 15C943_02
    Mercedes-Benz C-Class Coupé, 7G-TRONIC PLUS
  • 15C943_03
    Mercedes-Benz C-Class Coupé, 4-cylinder petrol engine
  • 15C943_04
    Mercedes-Benz C-Class Coupé, 9G-TRONIC
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