OE Quality
60-Day Returns

Denso 221-9495 Radiator
Overview of the Denso Radiator 221-9495 for Mercedes-Benz
The Denso radiator part number 221-9495 is designed specifically for select Mercedes-Benz models including the C250, E250, SLK250, and SLK350. Engineered to meet OEM specifications, this radiator ensures efficient cooling performance tailored to these vehicles.
- Core Height: 25.1969 inches
- Core Width: 18.1496 inches
- Core Thickness: 1.3386 inches
- Inlet Diameter: 1.75 inches
- Outlet Diameter: 1.75 inches
- Transmission Oil Cooler: Not included
Technical Details and Specifications
This Denso radiator features a core height of 25.1969 inches and a width of 18.1496 inches, providing ample surface area for heat dissipation. The core thickness of 1.3386 inches supports effective coolant flow and thermal exchange. Both the inlet and outlet diameters measure 1.75 inches, ensuring compatibility with the factory coolant hoses on Mercedes-Benz C250, E250, SLK250, and SLK350 models. Note that this radiator does not include a transmission oil cooler, so it is intended for vehicles with separate transmission cooling systems.
Compatible Mercedes-Benz Models
This radiator is compatible with the following Mercedes-Benz vehicles:
- Mercedes-Benz C250
- Mercedes-Benz E250
- Mercedes-Benz SLK250
- Mercedes-Benz SLK350
When replacing the radiator on these models, using part number 221-9495 ensures proper fit and function.
Common Issues Addressed by This Radiator
- Overheating due to radiator core damage or clogging
- Coolant leaks from cracked or corroded radiator cores
- Reduced cooling efficiency impacting engine performance
- Physical damage from road debris or accidents
- Failure of the original radiator causing engine temperature fluctuations
Installation Notes and Tips
Installation of the Denso radiator 221-9495 should be performed by a qualified technician familiar with Mercedes-Benz cooling systems. Ensure all coolant hoses match the 1.75-inch inlet and outlet diameters for proper sealing. Inspect and replace any worn hose clamps or seals during installation. Bleed the cooling system thoroughly after installation to prevent air pockets and ensure optimal coolant circulation.
Quality Assurance and Warranty
Denso radiators are manufactured to meet strict quality standards and OEM specifications. Part number 221-9495 undergoes rigorous testing to ensure durability and reliable cooling performance. Warranty coverage details vary by distributor but typically include protection against defects in materials and workmanship for a specified period. Consult the warranty documentation provided at purchase for exact terms.
| Brand | Denso |
| Part Number | 221-9495 |
| Core Height | 25.1969 |
| Core Thickness | 1.3386 |
| Core Width | 18.1496 |
| Inlet Diameter | 1.7500 |
| Outlet Diameter | 1.7500 |
| Transmission Oil Cooler Included | NO |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Submodel | Transmission | Position | Notes |
|---|---|---|---|---|---|---|
| 2016 | Mercedes-Benz | SLK350 | N/A | |||
| 2015 | Mercedes-Benz | C250 | N/A | |||
| 2015 | Mercedes-Benz | SLK250 | Automatic | N/A | ||
| 2015 | Mercedes-Benz | SLK350 | N/A | |||
| 2014 | Mercedes-Benz | C250 | N/A | |||
| 2014 | Mercedes-Benz | E250 | Bluetec | N/A | ||
| 2014 | Mercedes-Benz | SLK250 | Automatic | N/A | ||
| 2014 | Mercedes-Benz | SLK350 | N/A | |||
| 2013 | Mercedes-Benz | C250 | N/A | |||
| 2013 | Mercedes-Benz | SLK250 | Automatic | N/A | ||
| 2013 | Mercedes-Benz | SLK350 | N/A | |||
| 2012 | Mercedes-Benz | SLK350 | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.