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If you drive a Mercedes-Benz GLE in heavy traffic, towing, or hot climates, steering system temperatures can climb and stress the pump and hoses. Choosing the right Mercedes-Benz GLE power steering cooler helps reduce fluid temperatures, lower wear on the pump, and improve steering reliability under load.This guide shortlists the top options for this vehicle and explains the practical criteria we used to evaluate them, including cooling capacity and installation fit. Read on to see the features and tradeoffs you should weigh before choosing a cooler for your GLE.
Looking for other parts? See all Mercedes-Benz GLE parts & accessories.
Top Picks at a Glance
| Best Quality Built to a higher standard if you want something more solid | dowfane Auxiliary Radiator Coolant 167-500-04-00 Compatible with Mercedes‑Benz GLE/GLS (2020–2023) |  |
| Best Value The sweet spot between price and what you get | Derale Series 7000 Power Steering Cooler Kit |  |
| Best Budget The cheapest option that still gets the job done reliably | Hayden 1009 Power Steering Oil Cooler (9 inch) |  |
| Highest Rated A top-rated pick with lots of positive feedback | SecosAutoparts Auxiliary Power Steering Cooler for Mercedes-Benz GLE/GLS (2020–2023) |  |
| Best Seller A high-volume bestseller chosen again and again | Derale 13309 Power Steering Cooler Kit (Black) |  |
1. dowfane Auxiliary Radiator Coolant 167-500-04-00 Compatible with Mercedes‑Benz GLE/GLS (2020–2023)
| Manufacturer Part Number | 167-500-04-00 1675000400 |
|---|---|
| Compatible Models | Mercedes‑Benz GLE53/450/580 and GLS450/580/63 (2020–2023) |
| Brand | dowfane |
| Manufacturer | shanbo |
This auxiliary radiator coolant unit is marketed as a direct-fit replacement for several 2020–2023 Mercedes‑Benz GLE and GLS models and is used to help manage engine cooling under load. It installs in the factory cooling pathway to supplement heat rejection for turbocharged six‑ and eight‑cylinder mild-hybrid engines, which helps maintain operating temperature during spirited driving or heavy towing. The product includes a machined exterior finish and is sold under the dowfane brand with part number 167-500-04-00. Practical benefits include restoring cooling capacity after a failing cooler and supporting consistent engine temperatures during performance driving. Important limitations are limited vehicle coverage to the listed GLE and GLS model years and the listing does not provide detailed materials or manufacturer testing data, so buyers who require OEM-grade traceability may need to verify fitment and construction with the seller before purchase.
Best for: Performance-oriented owners seeking a replacement auxiliary cooler to support higher sustained loads and preserve engine temperatures during spirited driving or towing.
Less Ideal for: Owners who prioritize fully documented OEM traceability or independent test data should consider factory-specified parts or dealer-supplied units instead.
- Direct-fit compatibility with multiple 2020–2023 Mercedes‑Benz GLE and GLS models listed in the product description
- Machined exterior finish suggests a durable appearance and precision manufacturing
- Restores auxiliary cooling capacity to help maintain stable engine temperatures during high-load driving
- Manufacturer and material specifications are not detailed in the listing
- No independent performance testing or certification data provided
Verdict: A direct-fit auxiliary radiator replacement aimed at drivers who need reliable supplemental cooling for 2020–2023 Mercedes‑Benz GLE and GLS performance models.
2. Derale Series 7000 Power Steering Cooler Kit
| Material | Aluminum/Copper |
|---|---|
| Inlet/Outlet | 11/32 in Hose Barb |
| Finish | Black Powder Coat |
| Type | Tube and Fin Core |
The Derale Series 7000 power steering cooler kit is a small tube-and-fin cooler intended to lower steering fluid temperature for improved system longevity and consistent steering feel. It installs inline using 11/32 inch hose barb fittings and includes mounting hardware and hose, so it is typically used between the power steering pump and rack or reservoir to shed heat during towing, spirited driving, or stop-and-go traffic. The aluminum and copper construction with a black powder coat gives corrosion resistance and a tidy under-hood appearance. Its compact core fits in tight spaces behind the bumper or near the radiator while still offering better thermal transfer than an uncooled line. Limitations are its modest core size, which means it is best for everyday performance improvement rather than heavy-duty cooling for large towing loads, and hose barb fittings require secure clamp connections to avoid leaks. Overall it is a straightforward, durable factory-replacement style cooler for owners who want lower steering fluid temps without complex plumbing.
Best for: Balanced all-round buyers who want a reliable, easy-to-install cooler to lower power steering fluid temperatures for improved steering consistency and component life without major modifications.
Less Ideal for: Owners who need heavy-duty cooling for frequent towing, motorsport use, or substantially modified steering systems should choose a larger or purpose-built cooler.
- Aluminum/copper tube-and-fin design provides efficient heat transfer for its size
- Compact core and included hardware allow installation in tight engine bays
- Black powder coat finish offers corrosion resistance and a clean appearance
- Includes hose and fittings for a mostly complete install
- Small core size limits cooling capacity for heavy towing or extreme use
- Uses hose barb fittings that require careful clamping to prevent leaks
Verdict: A compact, durable inline power steering cooler that lowers fluid temperatures with minimal fuss for everyday driving and light towing.
3. Hayden 1009 Power Steering Oil Cooler (9 inch)
| Material | Aluminum |
|---|---|
| Overall Length | 9 Inches |
| Fits Hose I.D. | 3/8 Inch |
| Construction | Tube, Fin |
The Hayden 1009 is a compact aluminum power steering oil cooler intended to lower operating temperature in hydraulic steering systems by increasing fluid surface area and airflow. It mounts inline with 3/8-inch I.D. return hose lines and is commonly used on vehicles that see towing, larger tires, or prolonged low-speed steering work where fluid heat builds up. The unit includes mounting hardware and uses a tube-and-fin, two-row construction to improve heat rejection while remaining lightweight and machined for corrosion resistance. Installation is straightforward for a competent DIYer and the cooler helps reduce wear on pumps, hoses, seals, and fluid by keeping temperatures in check. Limitations include its fixed 9-inch length and 3/8-inch fittings, which restrict fitment to systems that accept that hose size, and it is a single-purpose add-on so it does not address underlying steering component faults.
Best for: Reliability-focused owners who want to reduce steering-system heat and extend the life of pumps, seals, hoses, and fluid without major modifications.
Less Ideal for: Drivers looking for universal fitment or adjustable plumbing options should consider models with multiple inlet sizes or adapter kits instead.
- Aluminum tube-and-fin construction for effective heat dissipation and corrosion resistance
- Includes mounting hardware for straightforward installation
- Designed for 3/8-inch I.D. return hose common on many power steering systems
- Compact 9-inch length fits tight engine bays where larger coolers will not
- Fixed 3/8-inch hose connection limits compatibility with systems using different hose sizes
- No adjustable fittings or adapters included for nonstandard plumbing
Verdict: A compact, aluminum inline cooler that reliably lowers power steering fluid temperature to help preserve system components.
4. SecosAutoparts Auxiliary Power Steering Cooler for Mercedes-Benz GLE/GLS (2020–2023)
| Fitment | Mercedes‑Benz GLE450/GLE53 AMG/GLE580/GLE63 AMG S/GLS450/GLS580/GLS63 AMG 2020-2023 |
|---|---|
| Manufacturer | SecosAutoparts |
| Manufacturer Part Number | 167-500-04-00 |
| Exterior | Painted |
This SecosAutoparts auxiliary cooler is a bolt-in replacement intended to reduce power steering fluid temperature on Mercedes‑Benz GLE450, GLE53 AMG, GLE580, GLE63 AMG S and matching GLS variants from 2020 through 2023. It installs in the factory routing to add extra cooling capacity during towing, spirited driving, or stop-and-go traffic where fluid heat can accelerate wear. The unit is painted and supplied as a single-piece cooler that the listing identifies by manufacturer part number 167-500-04-00, and the seller notes factory-style inspection and testing before shipment. In practical use the cooler should lower operating temperatures and extend the life of hoses and the steering pump when the vehicle is regularly stressed. Limitations are that fitment is specific to the listed GLE/GLS models and the listing does not include hoses or fittings, so expect to reuse factory lines or source adapter hardware if needed. For owners who prioritize reliability and keeping steering-system temperatures in check, this adds a straightforward, serviceable upgrade.
Best for: Reliability-focused owners who want a straightforward, factory-style cooling upgrade to protect the steering pump and lines during towing, frequent city driving, or aggressive use.
Less Ideal for: Buyers looking for a universal or multi-vehicle cooler or a complete retrofit kit including hoses and adapters should consider other options.
- Direct-fit design for 2020–2023 Mercedes‑Benz GLE and GLS models listed
- Painted finish for corrosion resistance and a factory-like appearance
- Sold as a single ready-to-install cooler with manufacturer part number for easy identification
- Intended to reduce power steering fluid temperatures during heavy use
- Does not include hoses, fittings, or adapters which may be needed for installation
Verdict: A factory-style auxiliary power steering cooler that helps keep steering fluid temperatures down on 2020–2023 Mercedes‑Benz GLE and GLS models to improve long-term reliability.
5. Derale 13309 Power Steering Cooler Kit (Black)
| Model | Power Steering Cooler (-6AN) |
|---|---|
| Item model number | 13309 |
| Exterior | Painted |
The Derale 13309 is a small, four-pass power steering cooler kit designed to lower fluid temperatures using 1/2 inch copper tubing expanded into aluminum cooling fins and extruded plastic fin guards. It installs in-line with your power steering or auxiliary cooling circuit to improve heat dissipation under load or in towing and spirited driving. The painted finish and compact footprint make it easy to tuck into tight engine bays like the Scion tC without looking out of place. Practical features include the four-pass design for increased cooling efficiency and protective plastic fin guards to reduce debris damage. Limitations to note are its modest size and capacity compared with larger, heavier-duty coolers, so it is best for everyday drivers seeking better thermal control rather than heavy towing or extreme track use. Installation will require compatible AN fittings and basic plumbing skills or a shop visit.
Best for: Practical optimizers who want an affordable, space-efficient upgrade to lower power steering or auxiliary fluid temperatures in daily-driven Scion tC vehicles without overspending on heavy-duty gear.
Less Ideal for: Drivers who frequently tow heavy loads or push fluid temperatures to extreme limits should choose a larger, higher-capacity cooler designed for heavy-duty duty cycles.
- Four-pass cooler design improves fluid heat exchange compared with single-pass cores
- Copper tubing bonded to aluminum fins for effective thermal transfer
- Compact, painted unit fits tight engine bays common to compact cars
- Extruded plastic fin guards help protect fins from road debris
- Smaller capacity limits effectiveness for heavy towing or extreme performance use
- Requires compatible fittings and basic plumbing skills for installation
Verdict: A compact, budget-friendly four-pass cooler that delivers noticeable temperature control for everyday Scion tC driving without taking up much space.
Choosing the Right Mercedes-Benz GLE Power Steering Cooler: Key Factors to Consider
Cooling Capacity
Cooling capacity determines how effectively a cooler reduces steering fluid temperature during sustained loads. Larger cores and more surface area generally move more heat away from the fluid, which helps prevent temperature-related breakdown of hydraulic fluid and reduces stress on the pump.
Evaluating cooling capacity matters because insufficient cooling can lead to recurring overheating under the same operating conditions. Consider how often you encounter heavy-duty scenarios such as towing or stop-and-go traffic, and choose a cooler with a core and fin density designed to handle those duty cycles.
Core Design And Materials
The core design and materials affect heat transfer efficiency and long-term durability. Aluminum cores are common because they combine good thermal conductivity with relatively low weight, while fin spacing and tube layout influence airflow and fluid residence time.
Materials also control corrosion resistance in road-exposed locations. Look for corrosion-resistant finishes and robust brazing or welding. A well-designed core will maximize cooling without creating excessive pressure drop or flow restriction in the steering circuit.
Fitment And Mounting For The GLE
Fitment and mounting determine how easily the cooler integrates with the Mercedes-Benz GLE. Properly engineered mounting brackets and location options reduce the need for major modifications and ensure adequate airflow to the cooler without interfering with other components.
Mounts that position the cooler where they receive unobstructed airflow while protecting it from road debris are ideal. Consider whether the kit includes vehicle-specific brackets or if universal mounts require routing that could complicate installation or service access.
Hoses, Fittings, And Leak Resistance
Hoses and fittings form the fluid path between the steering system and the cooler, so their quality and compatibility are critical to prevent leaks and maintain system pressure. Reinforced hydraulic hoses and properly sized fittings minimize the risk of failure under high pressure and temperature.
Check for standards-compliant fittings and durable hose sleeves. Good kits include fittings that match the vehicle's steering lines or adapters that preserve a secure, leak-free connection without excessive bending or strain.
Installation Complexity And Serviceability
Installation complexity affects whether you can fit the cooler yourself or will need professional help. Kits that include clear instructions, vehicle-specific brackets, and all necessary hardware reduce time and uncertainty.
Consider how easy it will be to bleed the system, access fittings for future maintenance, and remove the cooler if needed. Choose options that balance straightforward installation with accessibility for routine checks and hose inspections.
Durability And Environmental Resistance
Long-term durability and resistance to environmental hazards matter because the cooler is exposed to road debris, salt, and moisture. Durable finishes, protective screens, and impact-resistant mounting lower the chance of physical damage that reduces cooling performance.
Assess whether the cooler has protective features such as guard fins or powder-coated surfaces and whether replacement cores or parts are available. Robust construction also reduces the frequency of maintenance and the risk of sudden failures in harsh conditions.
How We Chose the Best Mercedes-Benz GLE Power Steering Cooler
We prioritized items that offer measurable reductions in steering fluid temperature, durable construction suited to automotive environments, and mounting options compatible with the Mercedes-Benz GLE. Key evaluation criteria included cooling capacity under sustained load, core size and airflow design, materials and corrosion resistance, hose and fitting quality, and the practicality of mounting and routing for the GLE chassis.We excluded units designed only for small engines or light-duty tasks and any cooler without clear automotive-grade fittings. Units that require extensive custom fabrication were also deprioritized. Our focus was on solutions that balance performance, reliability, and reasonable installation complexity for the vehicle, while considering serviceability and longevity of hoses and fittings.
Our full evaluation process is outlined in our review methodology.
FAQ
How do I know if my GLE needs a power steering cooler?
Symptoms that often indicate a need include repeated steering fluid overheating, foaming fluid, or unusual pump noise under heavy use. If you regularly tow, drive in stop-and-go traffic, or operate in very hot climates, temperatures can rise enough to justify a cooler. A temperature check of the steering fluid after heavy use can confirm if cooling is required.
Can I install a steering fluid cooler myself on a Mercedes-Benz GLE?
Many owners can install a cooler if the kit includes vehicle-specific brackets and clear instructions, and you have basic mechanical skills. Tasks include routing hoses, securing the cooler, and properly bleeding the system. If the kit requires custom fabrication or you are uncomfortable with hydraulic fittings, professional installation is advisable.
Will adding an oil cooler affect steering feel or system pressure?
A properly sized cooler with appropriate hose diameter and quality fittings should not noticeably change steering feel or system pressure. Poorly matched or undersized components can introduce pressure drop or restrict flow, so choose a kit designed for automotive hydraulic systems and confirm hoses and fittings match the GLE's requirements.
Where is the best place to mount a power steering cooler on the GLE?
The best location is where the cooler receives steady airflow while being protected from road debris. Common mounting points are in front of the radiator or behind protective trim where airflow is consistent. Avoid locations that obstruct other cooling systems or make the cooler vulnerable to impacts.
How often should I inspect or service a power steering cooler?
Inspect the cooler and hoses during regular vehicle maintenance intervals or after driving in severe conditions. Look for leaks, damaged fins, or hose abrasion. If the cooler shows signs of damage or deterioration, address it promptly to prevent fluid contamination or loss.
Conclusion
When choosing a Mercedes-Benz GLE power steering cooler, prioritize cooling capacity, durable core materials, and secure fitment that integrates with the GLE chassis. Balance performance gains against installation complexity and long-term serviceability.Focus on kits with quality hoses and fittings, corrosion-resistant construction, and mounting options that provide good airflow and protection. That approach will help you reduce overheating risk and extend the life of steering components without introducing unnecessary complications.
Explore More:
- Check out all Mercedes-Benz GLE parts & accessories
- Explore Power Steering Coolers Maintenance & Repair Guides
- Explore Cooling System
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