Mercedes-Benz W140 S320 Engine Cylinder Head M104 3.2L 15148 OEM Used

Overview
This OEM Mercedes-Benz cylinder head is designed for vehicles equipped with the M104 3.2-liter inline-six engine used in the Mercedes-Benz W140 S320. The cylinder head is a key engine component responsible for sealing the combustion chamber, supporting the valvetrain system, and managing airflow through the intake and exhaust ports.
Mercedes-Benz engineered the M104 engine to deliver smooth operation and balanced performance. The aluminum cylinder head design helps manage engine heat efficiently while maintaining structural strength during continuous engine operation. This component integrates with the engine block to house the camshafts, valves, and combustion chambers necessary for proper engine performance.
This listing is for a used OEM cylinder head, making it suitable for engine rebuilds, repairs, or replacement of damaged cylinder head assemblies in compatible Mercedes-Benz vehicles.

Compatibility / Fitment
This cylinder head is designed for engines using the Mercedes-Benz M104 3.2L inline-six engine platform, commonly found in the W140 S320 S-Class.
The M104 engine family was widely used by Mercedes-Benz during the 1990s and is known for its smooth inline-six configuration and durable construction. Compatibility may depend on the exact engine variant installed in the vehicle.
Before installation, buyers should confirm the engine code and cylinder head compatibility with their specific vehicle configuration.

Features & Benefits
• OEM Mercedes-Benz engine component
• Designed for the M104 3.2L inline-six engine platform
• Aluminum construction for efficient heat management
• Precision-machined combustion chambers and valve ports
• Supports proper airflow through intake and exhaust channels
• Suitable for engine rebuilds or replacement during engine repairs
Cylinder heads play a critical role in maintaining proper compression and airflow inside the engine. Using OEM components helps ensure proper alignment with the engine block and factory engine systems.

Condition Details
This cylinder head is used and has previously been installed on a vehicle.
Used engine components may show signs of prior operation including:
• Surface discoloration from engine heat cycles
• Minor cosmetic wear or residue from previous engine use
• Light surface marks consistent with normal mechanical operation
Depending on the intended use, cylinder heads are commonly inspected, pressure tested, or resurfaced during engine rebuilds to ensure proper sealing and valve operation.
Buyers should review product photos carefully to evaluate the current condition of the component.