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Engines
2010s
Germany

Mercedes-Benz M 152 / M 157 / M 278 V8 engine

Mercedes-Benz / AMG
Mercedes-Benz  V8 engine
M 152, M 157, M 278
Manufacturer: Mercedes-Benz / AMG
Production period: since 2010
Style: V , eight-cylinder
Engines: 4.7 liters (4663 cc) 
5.5 liters (5461 cc)
Previous model: M 156 / M 159 , M 273
Successor: M 176 / M 177 / M 178
Similar models: M 276

The Mercedes-Benz M 278 is an engine series from Mercedes-Benz, and the successor to the M 273 generation. It is an 8-cylinder V- engine . In contrast to the equally new six-cylinder M 276 , the cylinder bank angle remained at 90 °, although the engines are closely related.

Compared to its predecessor, the engines are significantly more economical and powerful, among other things by gasoline direct injection . In addition, intelligent generator management and a demand-controlled engine oil pump, fully variable injection pressure of 100 to 200 bar, twin turbochargers with air-water charge air cooling, exhaust gas turbocharger with wastegate valves, new cast pistons and engine electronics with Controlled Efficiency stop-start function. Power is transmitted via the 7- speed automatic transmission or the AMG SPEEDSHIFT MCT 7-speed sports transmission.

The introduction of the engines took place gradually in autumn 2010, starting with the S-Class (Type 221) and the CL-Class (Type 216). The AMG variant is given the designation M 157 for the turbo-charged variant or M 152 for the vacuum variant with cylinder deactivation .

Variants

The new eight-cylinder replace the previous 500 and 63 AMG. They are available in two displacement levels:

M 152 DE 55 

sales designation model series Construction period
Displacement: 5461 cc, Power: 310 kW (422 hp) at 6800 rpm, Torque: 540 Nm at 4500 rpm
SLK 55 AMG R 172 2012-2015

M 157 DE 55 AL 

sales designation model series Construction period
Displacement: 5461 cc, Power: 525 bhp at 5500 rpm, Torque: 700 Nm at 1700-5000 rpm
ML 63 AMG W 166 2012-2015
E 63 AMG W / S 212 2011-2013
CLS 63 AMG C / X 218 2011-2013
Capacity: 5461 cc, power: 395 kW (537 hp) at 5500 rpm, torque: 800 Nm at 2000-4500 rpm
SL 63 AMG R 231 2012-2014
Capacity: 5461 cc, power: 400 kW (544 hp) at 5500 rpm, torque: 800 Nm at 2000-4500 rpm
CL 63 AMG C 216 2010-2013
S 63 AMG W / V 221 2010-2013
G 63 AMG W 463 2012-2015
Displacement: 5461 cc, Power: 410 kW (557 hp) at 5750 rpm, Torque: 700 Nm at 1750-5500 rpm
AMG GLE 63 Coupe C 292 since 2015
AMG GLE 63 W 166 2015-2018
Capacity: 5461 cc, power: 555 hp (555 hp), torque: 720 Nm (1750-5250 rpm)
E 63 AMG W / S 212 2013-2016
CLS 63 AMG C / X 218 2013-2018
Displacement: 5461 cc, Power: 410 kW (557 hp) at 5750 rpm, Torque: 760 Nm at 2000-5000 rpm
ML 63 AMG (AMG Performance Package) W 166 2012-2015
GL 63 AMG X166 2012-2015
Capacity: 5461 cc, power: 555 hp (555 hp), torque: 800 Nm at 2000-4500 / min
E 63 AMG (AMG Performance Package) W / S 212 2011-2013
CLS 63 AMG (AMG Performance Package) C / X 218 2011-2013
Displacement: 5461 cc, Power: 415 kW (564 hp) at 5500 rpm, Torque: 900 Nm at 2250-3750 rpm
SL 63 AMG (AMG Performance Package) R 231 2012-2014
Capacity: 5461 cc, power: 420 kW (571 hp) at 5500 rpm, torque: 900 Nm at 2000-4500 rpm
CL 63 AMG (AMG Performance Package) C 216 2010-2013
S 63 AMG (AMG Performance Package) W / V 221 2010-2013
Capacity: 5461 cc, power: 430 kW (585 hp) at 5500 rpm, torque: 760 Nm at 1750-5250 rpm
AMG GLE 63 S Coupe C 292 since 2015
AMG GLE 63 S W 166 2015-2018
AMG GLS 63 X166 since 2015
Capacity: 5461 cc, power: 430 kW (585 hp) at 5500 rpm, torque: 800 Nm at 2000-4500 rpm
E 63 AMG S 4MATIC W / S 212 2013-2016
CLS 63 AMG S 4MATIC C / X 218 2013-2018
Capacity: 5461 cc, power: 430 kW (585 hp) at 5500 rpm, torque: 900 Nm at 2250-3750 rpm
S 63 AMG Coupe C 217 2014-2017
S 63 AMG 4MATIC Coupé C 217 2014-2017
S 63 AMG W / V 222 2013-2017
S 63 AMG 4MATIC L V 222 2013-2017

M 278 DE 46 AL red. 

sales designation model series Construction period
Displacement: 4663 cc, Power: 270 kW (367 hp) at 5250 / min, Torque: 550 Nm at 1500-4000 / min
GL 450 X166 2012-2015
Displacement: 4663 cc, Power: 300 kW (408 hp) at 5250 / min, Torque: 600 Nm at 1600-4750 / min
ML 500 
ML 500 BlueEFFICIENCY
W 166 2012-2015
E 500 
E 500 Blue EFFICIENCY
W / S 212

A / C 207

2013-2016 
2011-2013
CLS 500 
CLS 500 BlueEFFICIENCY
C / X 218 2013-2018 
2011-2013

M 278 DE 46 AL 

sales designation model series Construction period
Displacement: 4663 cc, Power: 320 kW (435 hp) at 5250 / min, Torque: 700 Nm at 1800-3500 / min or (W166: 700 Nm at 1800-4000 / min)
GL 500 / GLS 500 
GL 500 BlueEFFICIENCY
X166 2013-2015 
2012-2013
GLE 500 W 166 2015
CL 500 
CL 500 BlueEFFICIENCY
C 216 2013-2014 
2010-2013
S 500 BlueEFFICIENCY W / V 221 2011-2013
SL 500 R 231 2012-2015
Displacement: 4663 cc, Power: 335 kW (455 hp) at 5250-5500 / min, Torque: 700 Nm at 1800-3500 / min or (W166: 700 Nm at 1800-4000 / min)
GLE 500 W 166 2015-2018
GLE 500 Coupe C 292 2015-2018
GLS 500 X166 2015-2018
S 500 coupe C 217 2015-2017
S 500 4MATIC Coupe C 217 2014-2017
S 500 W / V 222 2013-2017
Maybach S 500 X 222 2015-2017
SL 500 R 231 since 2015


The basic version of the M 278 in the E-Class, CLS, S-Class and CL was again available with 4MATIC all - wheel drive. From 2011 to 2016 he was also installed in the E-Class . The S 450 with the M 273 engine was not offered in autumn 2010; Since summer 2017 there is again a S 450 in the class 222 , here however with the new straight-six M 256 .

Related items
AMG related | Maybach related | Mercedes GLE | Mercedes CL-Class | Mercedes G-Class | Mercedes CLS | Mercedes V8 engines | Mercedes petrol engines | Mercedes SLK | Mercedes SL | Mercedes M ML | V8 engines | Mercedes E-Class | Mercedes S-Class
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