












CSF Race
Mercedes AMG GT / GT S / W205 C63 / W166 GLE63 / X166 GLS63 Auxiliary Radiator
Mercedes AMG GT / GT S / W205 C63 / W166 GLE63 / X166 GLS63 Auxiliary Radiator
MCQUEEN
190 South McQueen Road
Suite 109
Gilbert AZ 85233
United States
Description:
The High-Performance All-Aluminum Auxiliary Radiators work in conjunction with the rest of the cooling system to reduce temperatures throughout. This is critical as the Auxiliary Radiators not only help keep engine water temperatures lower, but also are utilized as the heat exchange medium in the air-to-water charge-air coolers for the turbocharger system to reduce intake air temperatures (IATs). Overall, the Auxiliary Radiators larger capacity prolongs the heat soak threshold and assists in keeping temperatures in optimal ranges. The included, detachable rock guard offers protection against the build-up of debris, as well as possible core punctures - unlike the OEM auxiliary radiators, which have little protection against the elements.
CSF recommends purchasing two Auxiliary Radiators to replace both left and right OEM units (for vehicles with two from the factory). For maximum cooling performance, we advise installing in conjunction with the Front Mount Heat Exchanger (CSF #8088).
Product Details:
After the launch of our #1 selling Front Mount Heat Exchanger for W205 Mercedes AMG, we saw a lot of demand for more Mercedes-Benz products, so we are planning an entire lineup of new MB cooling systems.


It's common knowledge that AMG vehicles suffer from heat soak issues, especially those in warmer climates – Our next phase will eliminate this, as we continue to upgrade the radiator heat exchangers for all of the most popular AMG platforms.
Coming off the industry-leading Front Mount Heat Exchanger for W205 AMG, we've decided to start off our expansion of our High-Performance Mercedes-Benz cooling systems with complementary Auxiliary Radiators for the W205 AMG.
The High-Performance All-Aluminum Auxiliary Radiators work in conjunction with the rest of the cooling system to reduce temperatures throughout. This is critical as the Auxiliary Radiators not only help keep engine water temperatures lower, but also are utilized as the heat exchange medium in the air-to-water charge-air coolers for the turbocharger system to reduce intake air temperatures (IATs). Overall, the Auxiliary Radiators larger capacity prolongs the heat soak threshold and assists in keeping temperatures in optimal ranges.
⚠ Fitment Notes
C63 Models With Larger Wheels/Tires (i.e. 20? Wheels) may require the rear plastic duct/shroud to be trimmed approximately 1 inch (25mm). Because the CSF Auxiliary Radiators are almost 1 inch (25mm) thicker than the factory unit, the ducts/shrouds are moved by that amount.
AMG GT Models may require the rear duct/shroud to be trimmed or removed.


Features:
- 2-Row High-Performance Core Featuring CSF's B-Tube Technology
- Core Features Ultra Efficient 6.5mm Tall Fins with a Multi-Louvered Design for Maximum Surface Area Contact
- Approx. Double the Capacity of OEM (100% More Capacity - OEM 26mm Core vs. CSF 42mm Core)
- 100% All-Aluminum TIG-Welded Construction
- CNC Machined Mounting Brackets and OEM Style "Quick Connect" Inlet/Outlet
- 1 Hour "Mirror Finish" Hand Polish & Includes Detachable Rock Guard
- Multi-Fit - Fits Both Left & Right Side (For Vehicles With One or Two Auxiliary Radiators)
- Drop-in Fit" Installation - May Require Trimming Plastic Shroud (see fitment notes)
- Individually Leak and Pressure Tested
- High-Performance Upgrade Suitable for Professional Racing, Street Performance, or OEM Replacement

American-made Excellence
SDHQ: Built for Adventure
Experience American-made excellence from SDHQ, your fellow off-road enthusiasts. We take pride in crafting high-quality, custom products right at our headquarters for unparalleled performance and durability.
Check out what 'SDHQ Built' means for us as well as our customers: