Mercedes-Benz M178 tagged posts

Following our first report about the new C63 AMG yesterday, today comes more details about the US-spec models.

First, please note that the official new name for the C63 AMG is: Mercedes-AMG C63. Below are latest summary of US-spec C63:

– Powered by the M177 4.0L twin-turbocharged V8 engine
– 7-speed AMG Speedshift transmission
– C63: 469hp @ 5,500 – 6,250 rpm, 479 lb-ft of torque @ 1,750 – 4,500 RPM; 0-60mph: 4.0 seconds
– C63 S: 503hp @ 5,500 – 6,250 rpm, 516 lb-ft of torque @ 1,750 – 4,500 rpm; 0-60mph: 3.9 seconds
– Standard tire size: 245/40 R18 (front); 265/40 R18 (rear); optional size: 245/35 R 19 (front) and 265/35 R 19 (rear)
– C63 standard options: clutch type LS...

The Mercedes-Benz M178 4.0L Twin-Turbo V8 engine is a completely new design, which will be first used on the upcoming AMG GT.

Below is our hand-picked highlights and comments:

– 510hp @ 6250RPM, 7,200RPM redline; 479 lb-ft of torque between 1,750-4,750 RPM;
– Dry weight: 461 lbs
– Turbos are placed inside of the V-bank
– Direct injection with spray-guided combustion
– Exclusive new in the industry: zirconium alloy clyinder head

For more detailed information please refer to the below official press release...

Today Mercedes-Benz officially announced the detailed specification of the upcoming AMG GT’s engine, codenamed M178.

Highlights as below:

The M178 engine is rated at 510 PS (375 kW, or 503 hp) at 6,250 rpm, with a maximum torque of 650 Nm (479 lb-ft) within 1,750 rpm and 4,750 rpm. The same engine will goes into the W205 C63 AMG, but tune to a lower output (probably around 470 – 480hp). The AMG GT will be announced this fall and go on sale next March as a 2016 model.