Diamond Racing Pistons Mercedes M275 Piston Kit

Available in 5.5L and 6.0L Twin-Turbocharged V12 Configurations

Diamond’s years of working alongside top sport compact race teams have helped generate an exceptionally robust line of sport compact pistons. Race proven designs are combined with precision CNC machining, strong 2618 forged aluminum, and premium Trend Performance wrist pins to deliver unmatched durability and performance. Whether you’re looking for more power, boost readiness, or chasing records and win lights on the racetrack, Diamond’s mild-to-wild sport compact line is ready to help you get there.

Available Variants

This piston kit is available in two displacement configurations for the Mercedes-Benz M275 twin-turbocharged V12 engine. Please select the correct variant for your specific engine:

Specification | 5.5L Variant | 6.0L Variant Bore Diameter | 82.00 MM | 82.60 MM Stroke | 87.00 MM | 93.00 MM Compression Height | 1.119 IN | 1.120 IN Piston Volume | -12.50 CC | -12.50 CC Ring Set Part Number | 09463228 | 09463252 Add-On Components | 015126-24|09463228|H7872250200C | 015126-24|09463252|H7872250200C

Common Specifications (Both Variants)

Product Market: Sport Compact Piston Series: M275 Product Type: Engine Piston Kit Piston Quantity: 12 Cylinder Quantity: 12 Rod Length: 5.689 IN Piston Average Weight: Contact for Details Forging Type: Full Round Compression Ratio: Factory VP Intake Depth: 0.000 IN VP Exhaust Depth: 0.000 IN Ring Set Included: Yes Ring Set Thickness: 1.20 MM x 1.20 MM x 3.00 MM Top Compression Ring Thickness: 1.20 MM Second Compression Ring Thickness: 1.20 MM Oil Ring Thickness: 3.00 MM Oil Rail Support Included: No Wrist Pin Included: Yes Wrist Pin Part Number: H7872250200C Wrist Pin Dimensions: 0.787 IN x 2.250 IN Wrist Pin Outside Diameter: 0.787 IN Wrist Pin Length: 2.250 IN Wrist Pin Retainer Part Number: 015126-24 Wrist Pin Retainer Included: Yes

Complete Fitment Guide

This piston kit is engineered specifically for the Mercedes-Benz M275 twin-turbocharged V12 engine. Verify your engine code and displacement before ordering the correct variant.

Year | Make | Model | Submodel | Displacement

2003-2006 | Mercedes-Benz | S600 | W220 | 5.5L

2003-2006 | Mercedes-Benz | CL600 | C215 | 5.5L

2004-2006 | Mercedes-Benz | SL600 | R230 | 5.5L

2006-2013 | Mercedes-Benz | S600 | W221 | 5.5L

2007-2014 | Mercedes-Benz | CL600 | C216 | 5.5L

2007-2012 | Mercedes-Benz | SL600 | R230 | 5.5L

2005-2012 | Mercedes-Benz | SL65 AMG | R230 | 6.0L

2006-2010 | Mercedes-Benz | S65 AMG | W221 | 6.0L

2005-2006 | Mercedes-Benz | CL65 AMG | C215 | 6.0L

2007-2014 | Mercedes-Benz | CL65 AMG | C216 | 6.0L

2011-2013 | Mercedes-Benz | S65 AMG | W221 | 6.0L

2009-2012 | Mercedes-Benz | G65 AMG | W463 | 6.0L

Important Notes

• Engine Code & Displacement Verification: Confirm M275 engine code AND displacement (5.5L or 6.0L) before ordering. The bore diameter and ring set part numbers differ between variants.
• Professional Installation Required: Installation should only be performed by qualified technicians with proper tools and expertise. V12 engine assembly requires specialized knowledge.
• Engine Assembly: Proper ring gap verification, torque specifications, and clearance measurements are critical for reliability and performance on twin-turbocharged V12 engines.
• Material: 2618 forged aluminum construction provides superior strength for high-boost twin-turbocharged applications.
• 12-Cylinder Kit: Each kit includes pistons for all 12 cylinders of the V12 engine, with complete ring sets, wrist pins, and retainers.
• Custom Options: Contact us for custom compression ratios, bore sizes, or specialized applications.

Performance Applications

Ideal for:

• Upgraded turbocharger systems and high-boost applications
• Engine rebuilds requiring stronger internals
• High-mileage engine refreshes
• Competition and racing builds
• Reliability upgrades for street performance vehicles
• High-performance luxury GT builds