Luk DMF078 Clutch Flywheel

LuK DMF078 Dual Mass Flywheel Overview

The LuK DMF078 is a dual mass flywheel engineered for specific Mercedes-Benz applications, including the C300, SLK300, SLK280, and C230. Built to match the needs of the original drivetrain, this clutch flywheel helps maintain smooth power transfer and consistent transmission operation.

For Mercedes-Benz C300, SLK300, SLK280, and C230 owners searching for a direct-fit dual mass flywheel, the LuK DMF078 is sized and tuned for the listed applications.

Key Features

• Dual mass flywheel design for drivetrain damping and smoother engagement
• Flywheel diameter: 23.5 in. / 9.252 in.
• Flywheel inner diameter: 15.5 in. / 6.102 in.
• Flywheel cup depth/step height: -0.311 in. / -7.9 mm
• 144-tooth ring gear configuration
• OE-style application coverage for select Mercedes-Benz models
• Part number: DMF078

Detailed Description

LuK designs this dual mass flywheel to follow original equipment specifications for the listed Mercedes-Benz vehicles. The DMF078 uses a tuned two-mass construction that helps isolate drivetrain vibration, supporting smoother clutch operation and reducing the stress that can occur when a solid flywheel is used in a system calibrated for a DMF. This part number is commonly searched as LuK DMF078 for Mercedes-Benz C300, SLK300, SLK280, and C230 applications.

This part cross-references 2720300505 and 4150289100 for the same application.

What It Helps Address

• Clutch shudder during takeoff
• Excess drivetrain vibration
• Noise from worn flywheel damping components
• Harsh engagement in manual transmission operation
• Premature wear associated with incorrect flywheel type selection

Installation Notes and Tips

Verify the flywheel diameter, tooth count, and step height against the original part before installation. Because this is a dual mass flywheel, confirm that the clutch system and related components are matched to DMF specifications. Professional installation is recommended for Mercedes-Benz C300, SLK300, SLK280, and C230 fitments to ensure proper alignment and drivetrain performance.

Quality Assurance

LuK is known for OE-level drivetrain engineering, and this flywheel is built to the same application-specific standards used for original fitment development. The DMF078 is intended to provide the correct dimensional and functional match for the listed vehicles.

Compatible Vehicles

• Fits 2008-2011 Mercedes-Benz C300, N/A
• Fits 2009-2011 Mercedes-Benz SLK300, N/A
• Fits 2006-2008 Mercedes-Benz SLK280, N/A
• Fits 2006-2007 Mercedes-Benz C230, N/A