Elring 456.111 Engine Cylinder Head Bolt Set

Elring 456.111 Cylinder Head Bolt Set

Elring 456.111 is an engine cylinder head bolt set built for Mercedes-Benz applications that require M12 female star head bolts with a 102 mm thread length. It is a direct-fit hardware solution for service work on select Mercedes-Benz C230, C220, and SLK230 models.

Key Features

• Engine cylinder head bolt set for Mercedes-Benz engine hardware service
• Female star bolt head / nut design for proper tool engagement
• M12 x 1.75 x 102 thread specification
• Spanner size: X - M 12
• Direct fitment for select Mercedes-Benz C230, C220, and SLK230 applications
• Elring part number 456.111 for catalog matching and service reference

Fitment and Application Details

Fits 2001-2004 Mercedes-Benz SLK230, N/A. Fits 1997-1998 Mercedes-Benz SLK230, N/A. Fits 2002 Mercedes-Benz C230, N/A. Fits 1999-2000 Mercedes-Benz C230, N/A. Fits 1997-1998 Mercedes-Benz C230, N/A. Fits 1994-1997 Mercedes-Benz C220, N/A. This part cross-references MAHLE GS33513 for the same application.

Use Elring 456.111 when replacing cylinder head fasteners on Mercedes-Benz C230, Mercedes-Benz C220, or Mercedes-Benz SLK230 engines that call for the listed M12 x 1.75 x 102 specification. The female star head design supports correct torque tool engagement during cylinder head service, and the bolt dimensions should be matched carefully to the engine’s original hardware requirements.

What This Part Helps Address

• Worn or stretched cylinder head bolts during engine repair
• Incorrect fastener length or thread pitch during head service
• Loss of proper clamping force after cylinder head removal
• Hardware mismatch on Mercedes-Benz C230, C220, and SLK230 engine work
• Tool engagement issues when the original female star fastener heads are damaged

Installation Notes and Tips

Verify the engine’s required bolt length, thread size, and head design before installation. Match the female star drive and M12 x 1.75 x 102 specification to the original fasteners removed from the vehicle. Follow the factory service procedure for tightening sequence and torque values during cylinder head installation on Mercedes-Benz C230, C220, and SLK230 engines.

Quality Assurance

Elring is a recognized engine sealing and hardware brand used in professional repair environments. Part number 456.111 is cataloged for specific Mercedes-Benz applications and should be selected by exact fitment and fastener specification.