Mahle GS33904 Engine Cylinder Head Bolt Set

Engine Cylinder Head Bolt Set for Mercedes-Benz

Mahle GS33904 is an engine cylinder head bolt set for select Mercedes-Benz applications. It is specified for M11 1.5mm x 170mm applications and is built for the sealing demands of cylinder head service.

Compatible with Mercedes-Benz models including E350, C350, GLK350, and GLE350, this part number GS33904 supports repairs where accurate fastener specification matters. Mahle sealing products are trusted by OEMs and technicians worldwide.

Key Features

• Engine cylinder head bolt set for cylinder head service
• Specified for M11 1.5mm x 170mm applications
• Mahle sealing product backed by OEM and technician trust
• Fits a range of Mercedes-Benz gasoline applications
• Part number GS33904 for catalog and service matching

Detailed Description

Mahle GS33904 is a direct-fit engine cylinder head bolt set for select Mercedes-Benz engines. The fitment list includes 2007-2012 GL450, 2012-2016 E350, 2012-2015 C350, 2012-2015 GLK350, 2012-2015 ML350, 2012-2016 SLK350, 2013-2015 E400, 2013-2014 C300, 2012-2013 S400, 2012 R350, and 2016-2018 GLE350. The listed M11 1.5mm x 170mm specification helps confirm the correct fastener for the application.

This part cross-references Mercedes-Benz (e.g., 276 016 00 69) for the same application. If you are servicing a Mercedes-Benz E350, C350, or GLE350 and need the correct cylinder head fastener set, GS33904 provides the cataloged match for the listed engines.

What It Is Used For

• Replacing cylinder head bolts during engine repair
• Restoring proper clamping force after head service
• Matching the specified fastener size for the application
• Supporting repairs on engines with head gasket service
• Addressing fastener wear or stretch found during teardown

Installation Notes and Tips

Verify engine code, bolt specification, and application notes before installation. Follow the factory tightening sequence and torque procedure for the specific Mercedes-Benz engine. Replace cylinder head bolts whenever the service procedure calls for new fasteners, and confirm the M11 1.5mm x 170mm specification against the vehicle build data.

Quality Assurance

Mahle sealing products are used by OEMs and technicians around the world, and GS33904 is cataloged to the listed Mercedes-Benz applications for service accuracy.