Denso 221-9252 Radiator

Overview of the Denso Radiator 221-9252 for Mercedes-Benz

The Denso Radiator part number 221-9252 is engineered for select Mercedes-Benz models including the C300, C350, CLS400, CLS550, E350, E400, E550, GLK250, and GLK350. Designed to maintain optimal engine temperature, this radiator features precise core dimensions and integrated transmission oil cooling to support vehicle performance.

• Core Height: 25.2 inches
• Core Width: 17.99 inches
• Core Thickness: 1.57 inches
• Transmission Oil Cooler Included
• Inlet Diameter: 1.8 inches
• Outlet Diameter: 1.8 inches

Technical Details and Specifications

The Denso 221-9252 radiator is constructed with a core height of 25.2 inches, width of 17.99 inches, and thickness of 1.57 inches, providing efficient heat dissipation for Mercedes-Benz vehicles. The inclusion of a transmission oil cooler enhances the cooling system by managing transmission fluid temperature, which is critical for maintaining transmission performance and longevity. Both the inlet and outlet diameters measure 1.8 inches, ensuring compatibility with the vehicle’s existing cooling hoses and fittings.

Compatible Mercedes-Benz Models

This radiator is compatible with a range of Mercedes-Benz models, specifically the C300, C350, CLS400, CLS550, E350, E400, E550, GLK250, and GLK350. When searching for a radiator replacement for these models, referencing part number 221-9252 will ensure proper fitment and function.

Common Applications and Problem Resolution

• Replaces damaged or leaking radiator cores
• Restores proper engine cooling and prevents overheating
• Maintains transmission fluid temperature with integrated cooler
• Addresses coolant leaks from inlet or outlet connections
• Improves overall cooling system efficiency in Mercedes-Benz vehicles

Installation Notes and Recommendations

Installation of the Denso 221-9252 radiator should be performed by a qualified technician familiar with Mercedes-Benz cooling systems. Ensure all hose connections match the 1.8-inch inlet and outlet diameters for a secure fit. It is recommended to inspect and replace related components such as hoses and clamps during installation to prevent future leaks. Proper bleeding of the cooling system after installation is essential to avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty Information

Denso radiators are manufactured to meet or exceed OEM specifications, providing reliable performance and durability. The 221-9252 radiator undergoes rigorous quality control testing to ensure compatibility and function with Mercedes-Benz vehicles. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects for a specified period.