Engine for Mercedes-Benz GL550, E500, S550 (W212, W221) — M273 5.5L

The Mercedes-Benz M273.961 is a 5.5-liter naturally aspirated V8 engine that produces 388 horsepower and 391 lb-ft (530 Nm) of torque. Produced between 2005 and 2013, this engine was primarily featured in flagship models such as the S-Class and CL-Class.

Category: Uncategorized Tag: engine

Description

Description

Basic Specifications
Engine Type: Naturally Aspirated, 90° V8 Gasoline Engine
Displacement: 5,461 cc (5.5 L)
Bore: 98.0 mm (3.86 in)
Stroke: 90.5 mm (3.56 in)
Compression Ratio: 10.7:1
Valve Layout: 32 Valves, DOHC (Double Overhead Camshaft)

Common Vehicle Applications
This engine is specifically designed for the following chassis models:
S-Class (W221): S 500 / S 500 4MATIC (2006–2009);
CL-Class (C216): CL 500 (2006–2010).