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If you own a Mercedes-Benz GLE, choosing the right radiator matters for engine longevity and daily drivability. A properly matched radiator keeps temperatures stable under load, reduces the risk of overheating, and supports efficient cabin heating when needed. This guide presents the top shortlisted radiators for the Mercedes-Benz GLE, chosen for their cooling performance, durability, and fitment accuracy. We also explain the evaluation criteria used to narrow the field so you can pick the option that best matches how you drive and maintain your vehicle.
Looking for other parts? See all Mercedes-Benz GLE parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | KAC CU13505 Engine Radiator Core for Mercedes-Benz GLE |  |
| Most Popular A crowd favorite that many people choose with confidence | Readair Engine Coolant Radiator Assembly with Transmission Oil Cooler for Mercedes-Benz |  |
| Best Quality Built to a higher standard if you want something more solid | Cooling Direct Radiator — Replacement for Mercedes-Benz GL/ML (Fits select models) |  |
| Best Budget The cheapest option that still gets the job done reliably | SCITOO Radiator for Mercedes-Benz C-Class (fits select 2001–2007 models) |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Engine Radiator Cooling Fan Assembly for Mercedes-Benz GLE/GL/ML/GLS |  |
| Best Value for Money The sweet spot between price and what you get | Torchtree CU13505 Replacement Radiator for Mercedes-Benz GLE/GLS/ML | |
| Best Overall The best all-around choice for most situations | TRQ Radiator RDA83029 — Direct-fit Aluminum Core for Mercedes-Benz E320/E350 |  |
1. KAC CU13505 Engine Radiator Core for Mercedes-Benz GLE
| Material | Aluminum core with plastic end tanks |
|---|---|
| Fitment Type | Direct Replacement |
| Core Material | Aluminum alloy |
This KAC CU13505 radiator is a direct bolt-on replacement built around a high-density aluminum core with multi-louvered fins to improve heat dissipation compared with many stock units. It installs as a factory-style swap and is intended for the Mercedes-Benz GLE fitments listed, so typical use is as a like-for-like replacement when the original radiator leaks, becomes clogged, or the vehicle is running hot. The radiator includes a built-in transmission cooler and claims higher cooling capacity, which in real-world driving helps stabilize engine temperature under towing or sustained highway loads. Construction uses aluminum core and plastic end tanks and the unit is packaged with corner foam for safer delivery. Limitations to note are that this is an aftermarket unit rather than a branded factory part and the description lists many OEM reference numbers rather than an explicit vehicle-by-vehicle parts chart, so double-checking fitment before purchase is prudent. Expect an easier install than custom radiators but be prepared to reuse or transfer some factory fittings and sensors.
Best for: Reliability-focused GLE owners who prioritize restoring or improving cooling performance with a straightforward, factory-style replacement rather than seeking an OEM-branded part.
Less Ideal for: Owners who need a factory-branded Mercedes radiator for warranty or dealer-service reasons or who want a full all-aluminum performance racing radiator.
- High-density aluminum core and multi-louvered fins for improved heat dissipation
- Direct bolt-on design for factory-style replacement without drilling or modification
- Built-in transmission cooler increases cooling capability under load
- Packaged with protective foam to reduce shipping damage and ensure arrival in good condition
- Aftermarket unit with plastic end tanks rather than a full all-aluminum OEM assembly
- Fitment information relies on multiple reference numbers so verifying exact compatibility is necessary
Verdict A reliability-minded, drop-in replacement radiator for Mercedes-Benz GLE owners who want improved cooling capacity without major modification.
2. Readair Engine Coolant Radiator Assembly with Transmission Oil Cooler for Mercedes-Benz
| Transmission Oil Cooler Included | Yes |
|---|---|
| Engine Oil Cooler Included | No |
| Inlet Diameter | 2 inch |
| Outlet Diameter | 2 inch |
This radiator assembly replaces the engine coolant radiator for Mercedes-Benz vehicles and incorporates a transmission oil cooler for combined cooling duties. It is sold as a direct-fit factory replacement intended to drop into the original mounting points so typical use is a like-for-like swap during a cooling-system repair or transmission-cooler upgrade. Notable features listed by the manufacturer include an integrated transmission oil cooler and factory-style connections meant to match the vehicle plumbing, plus polished exterior finish. Practical benefits are straightforward: it can restore cooling performance, eliminate leaks from a damaged core, and save a trip to a dealer by enabling DIY or independent-shop replacement. Important limitations to plan for are that some buyers report variable quality control and occasional need to modify or remove adapters on the transmission cooler ports during installation, and material quality may not match premium factory parts for every unit. Expect to verify fit and check sealing surfaces and O rings during installation to avoid coolant or transmission fluid leaks.
Best for: Buyers who prioritize convenience and want a direct-fit replacement that lets them complete a cooling-system repair quickly, either as a DIY project or through an independent shop.
Less Ideal for: Owners seeking a premium OEM-grade unit with the highest durability standards or those unwilling to inspect and adjust fittings during installation should consider higher-end alternatives or dealer parts.
- Integrated transmission oil cooler simplifies replacement by combining two cooling functions in one assembly.
- Direct-fit design aimed at matching factory mounting points for easier installation.
- Polished exterior and packaged to minimize shipping damage according to user reports.
- Reported variability in build quality across units which can lead to premature failure in some cases.
- May require removal of preinstalled adapters or replacement of O rings to match vehicle transmission lines.
Verdict A convenient, direct-fit radiator with an integrated transmission cooler that speeds replacement but may show inconsistent build quality compared with premium factory parts.
3. Cooling Direct Radiator — Replacement for Mercedes-Benz GL/ML (Fits select models)
| Manufacturer Part Number | PR13359A |
|---|---|
| OEM Number | 2515000703 |
| DPI Number | 13359 |
| Radiator Row(s) | 1 |
This Cooling Direct radiator is a direct replacement made to fit specific Mercedes-Benz GL and ML vehicles and restore engine cooling without custom modification. It installs as a drop-in unit for the listed models and is typically used to replace a leaking or failed factory radiator. The core is single-row with a reported thinner profile than some factory units, which helps simplify fitment and reduces weight while maintaining flow for normal driving and towing at moderate loads. Buyers benefit from vehicle-tested fitment, a matching OEM part number, and straightforward installation compared with purchasing a used OEM unit. Several owners report reliable temperature control and trouble-free operation after installation. Limitations to note are the reduced core thickness compared with some factory radiators and that longevity under extreme heavy-duty towing or sustained high-temperature use may differ from the original Mercedes unit. For a performance-focused buyer, this radiator offers a practical factory-style replacement but may not match heavy-duty cooling upgrades tailored for track or severe towing duty.
Best for: A performance-oriented buyer who wants a reliable, factory-style replacement that restores cooling performance with predictable fitment and straightforward installation.
Less Ideal for: Drivers who require high-capacity or purpose-built heavy-duty cooling for track use or sustained extreme towing should consider aftermarket performance radiators instead.
- Direct-fit design for specified Mercedes-Benz GL and ML models for easier installation
- Vehicle-tested and matched to OEM part number for predictable compatibility
- Single-row core that maintains normal operating temperatures in everyday driving and moderate towing
- Less bulky than some factory radiators which can simplify replacement and reduce added weight
- Core is notably thinner than many factory radiators which could limit peak heat rejection under extreme continuous loads
- Not engineered as a heavy-duty performance or high-capacity racing radiator
Verdict A vehicle-tested, direct-fit replacement that restores factory-style cooling for Mercedes GL/ML models but is not a heavy-duty performance upgrade.
4. SCITOO Radiator for Mercedes-Benz C-Class (fits select 2001–2007 models)
| Fits Models | Selected Mercedes‑Benz C230/C240/C280/C320/C350/C32 AMG, SLK280/SLK350 (2001–2007) |
|---|---|
| Core Rows | 1 Row |
| Engine Oil Cooler | Included |
| Inlet/Outlet Diameter | 1.94 in. |
This SCITOO radiator is a direct-replacement style cooling core designed for select Mercedes-Benz C‑Class models (2001–2007) and is intended to restore factory cooling performance after a leak or failure. It installs in place of the original unit and includes an integrated engine oil cooler while the transmission oil cooler is not included. The one-row aluminum core keeps the package compact and produces reliable heat rejection for typical street driving. Buyers will appreciate the model-specific fitment and the straightforward installation notes, which make it a practical DIY replacement for routine repairs. Limitations to note are the single-row core, which is less capable under sustained heavy loads or high-performance driving compared with multi-row radiators, and a few user reports of small plastic inlet/retainer areas that required light clean-up for hose clip retention. For everyday commuting and normal Mercedes C‑Class duty this radiator offers a cost-effective way to replace a failed core, with reasonable fit and functional cooling for standard use.
Best for: Budget-conscious owners seeking an affordable, factory-replacement style radiator to get their early‑2000s Mercedes‑Benz C‑Class back on the road without premium performance upgrades.
Less Ideal for: Owners who regularly tow, track, or push cooling hard should opt for a higher-capacity multi-row or performance radiator instead.
- Model‑specific fitment for early‑2000s Mercedes‑Benz C‑Class models simplifies replacement.
- Includes an integrated engine oil cooler, restoring that function without extra parts.
- Aluminum one‑row core is lightweight and adequate for normal street driving.
- Generally straightforward installation that suits experienced DIYers and independent shops.
- Single‑row core offers less cooling headroom under heavy towing or spirited driving.
- Does not include a transmission oil cooler, which some factory variants have.
- Some plastic hose retainers may need minor trimming or cleanup during installation.
Verdict A cost-effective, model-specific replacement radiator that restores basic cooling for early‑2000s Mercedes‑Benz C‑Class cars but lacks the extra capacity needed for heavy-duty or performance use.
5. A-Premium Engine Radiator Cooling Fan Assembly for Mercedes-Benz GLE/GL/ML/GLS
| Voltage | 12 Volts |
|---|---|
| Wattage | 600 watts |
| Power Connector Type | 4-Pin |
| Fan Type | Single Fan |
This A-Premium cooling fan assembly is a direct-style replacement intended for Mercedes-Benz GLE, GL, ML and GLS models listed in the fitment notes. It mounts as a single 7-blade fan in a shroud and connects via a 4-pin 12V electrical plug, delivering up to 600 watts of motor power for rapid airflow when the vehicle demands extra cooling. Typical use is to restore failed or underperforming factory fans so the radiator and A/C condenser get proper airflow at idle and low speeds. The plastic shroud and part interchange numbers make installation straightforward for experienced DIYers or professional shops, and the 4-pin connector matches factory wiring on the specified models. Practical benefits include strong reported cooling capacity and one-year coverage from the maker. Limitations are the generic aftermarket fitment approach which may require minor alignment or harness checks during installation and the plastic construction that, while common, can be less robust than higher-end OEM materials in long-term heavy-duty use.
Best for: Performance-oriented Mercedes-Benz owners who prioritize restoring or improving cooling capacity for spirited driving and towing on GLE-series SUVs.
Less Ideal for: Buyers seeking an exact factory-materials replacement for long-term heavy commercial use or those who prefer dealer-supplied factory parts.
- High motor output (600 W) for strong airflow when cooling demand is high
- Direct-fit design with a 4-pin connector to match factory wiring on listed Mercedes-Benz models
- Includes shroud and 7-blade fan for focused airflow through the radiator and condenser
- Aftermarket plastic construction may not match longevity of higher-grade factory parts
- May require minor alignment or connector checks during installation on some vehicles
Verdict A strong, performance-minded aftermarket cooling fan that restores high airflow for Mercedes GLE/GL/ML/GLS models but uses common aftermarket plastic construction rather than premium factory materials.
6. Torchtree CU13505 Replacement Radiator for Mercedes-Benz GLE/GLS/ML
| Manufacturer | Torchtree |
|---|---|
| Model | Cooling Radiators |
| Item model number | CU13505 |
| OEM Part Number | CU13505, 4113505, 2219370, 13505C |
This Torchtree CU13505 radiator is a direct-fit replacement intended for specific Mercedes-Benz GLE, GLS and ML model years and restores the vehicle cooling system with an aluminum core and multi-louver fins for improved heat dissipation. It is typically used when the factory radiator leaks, corrodes, or loses efficiency; installation replaces the original unit and reconnects inlet and outlet hoses and cooling fans. Notable features include a high-density fin design, aluminum core for thermal conductivity, plastic water tanks to resist corrosion, and factory-style mounting to match the original fit. Practical benefits are straightforward replacement fitment for supported GLE/GLS/ML applications and the potential for similar cooling performance at a lower price than dealer parts. Limitations to consider are the use of plastic tanks rather than full-metal construction and the recommendation for professional installation; buyers should also confirm exact year and engine fitment before ordering. Packaging is reinforced for shipping, but like any aftermarket radiator careful inspection on arrival is advised.
Best for: Practical optimizers looking to restore reliable cooling on supported Mercedes-Benz GLE/GLS/ML models without paying dealer prices and who prioritize value and functional replacement over OEM branding.
Less Ideal for: Buyers who need a lifetime-heavy-duty metal radiator for high-performance or track use should consider performance-focused or all-metal alternatives.
- Aluminum core with high-density multi-louver fins for improved heat dissipation
- Manufactured to match original mounting points for direct replacement fit on supported Mercedes models
- Pressure and leakage tested and produced under IATF16949-aligned processes
- Reinforced packaging reduces transit damage risk
- Plastic water tanks instead of full-metal construction may affect long-term durability under extreme conditions
- Professional installation recommended which adds labor cost and complexity
Verdict A cost-conscious, factory-style replacement radiator that restores cooling performance for compatible Mercedes GLE/GLS/ML models while offering solid value for budget-focused repairs.
7. TRQ Radiator RDA83029 — Direct-fit Aluminum Core for Mercedes-Benz E320/E350
| Core Row Quantity | 1 |
|---|---|
| Core Thickness | 1 in |
| Core Material | Aluminum |
| Transmission Oil Cooler Included | Yes |
| Outlet Location | Bottom Right |
This TRQ radiator replaces the factory unit with a single-row, 1-inch thick aluminum core and integrated transmission oil cooler, intended as a direct-fit part for specified Mercedes-Benz E320 and E350 V6 applications. Installation is typical for a radiator swap: drain coolant, transfer rubber isolation pads and radiator cap, disconnect hoses and transmission cooler lines, then bolt the new unit into the factory mounts. Notable features include a plated transmission oil cooler with four plates, plastic tanks, and top-left inlet and bottom-right outlet orientation that match factory routing. For owners doing the repair themselves, the radiator’s preassembled design and TRQ’s how-to videos simplify the job and can save significant shop labor. Reported issues in some reviews include shipping damage or cracked tanks, so careful inspection at delivery and cautious handling during installation are advisable. This radiator balances cost and functionality for Mercedes E-class maintenance but relies on reused small parts like rubber pads and the original radiator cap to finish installation seamlessly.
Best for: Balanced all-round buyers who want a cost-effective, factory-style replacement radiator that restores factory cooling and is suitable for DIY installation and routine repairs.
Less Ideal for: Those who need extreme cooling capacity for track use, heavy towing, or who prefer full-metal performance radiators for maximum durability should consider higher-capacity specialty units.
- Direct-fit replacement engineered for the specified Mercedes-Benz E320/E350 models, reducing modification needs.
- Single-row aluminum core with integrated transmission oil cooler supports engine and automatic transmission cooling.
- Preassembled unit simplifies DIY installation and cuts repair time compared with building from separate parts.
- TRQ provides installation videos and guides that help non-professional installers complete the job correctly.
- Plastic tanks can be more vulnerable to impact or thermal stress than full-metal radiators.
- Some customers report shipping damage or cracked tanks on arrival, so unpack and inspect carefully.
- Single-row core may not offer the same cooling margin as multi-row performance radiators under heavy-duty use.
Verdict A practical, budget-conscious direct-fit radiator for the Mercedes E-class that restores factory cooling and simplifies DIY replacement while sacrificing some durability and cooling headroom compared with heavy-duty performance radiators.
Choosing the Right Mercedes-Benz GLE Radiator: Key Factors to Consider
Cooling Capacity
Cooling capacity determines how effectively a radiator removes heat from the engine coolant during normal driving and heavy loads. A higher capacity radiator typically has a larger core area, more rows, or denser fin packs, which increase heat transfer surface and support sustained operation at higher engine outputs.
When evaluating capacity, consider your typical driving conditions. Frequent towing, spirited driving, or prolonged highway speeds produce more heat and benefit from greater cooling headroom. For daily commuting in mild conditions, a standard-capacity radiator that matches factory specifications is usually sufficient. Also account for any planned engine modifications that raise heat output, since increased capacity may be necessary to maintain safe temperatures.
Fitment Accuracy
Precise fitment is critical for an easy, leak-free installation and proper operation. A radiator that aligns with the Mercedes-Benz GLE mounting points, hose connections, and fan shroud locations reduces modification needs and the risk of stress on hoses or brackets.
Check that the inlet and outlet diameters, mounting tab locations, and transmission-cooler or sensor ports match the vehicle. Poor fitment can cause leaks, vibration, or improper airflow, which undermines cooling performance. Prioritizing accurate fitment often saves time during installation and reduces the chance of follow-up repairs.
Material and Construction
Materials and how a radiator is built affect strength, thermal performance, and longevity. Common constructions include aluminum cores with plastic tanks or all-aluminum designs. All-aluminum radiators usually offer better heat transfer and are more resistant to tank cracking, while plastic-tank designs can be lighter and more cost-effective but may age differently.
Look at joint types, brazing quality, and whether the unit uses sealed tanks or replaceable components. Durable welds and corrosion-resistant coatings extend service life, especially in climates with road salt or hard water. Construction also influences repairability and whether localized damage can be addressed without full replacement.
Compatibility With Cooling System
A radiator must work with the vehicle's existing cooling system components, including the water pump, thermostat, hoses, and fans. Flow characteristics and pressure tolerance should match OEM expectations to avoid creating hotspots or causing premature wear elsewhere in the circuit.
Consider whether the radiator accommodates transmission cooler lines or sensor ports present on the Mercedes-Benz GLE model. Using a radiator that integrates seamlessly avoids extra adapters and helps maintain correct coolant flow and pressure.
Durability And Corrosion Resistance
Durability determines how a radiator performs over time under thermal cycling and exposure to environmental contaminants. Corrosion-resistant materials, quality coatings, and protective design features help prevent internal and external degradation that leads to leaks and reduced efficiency.
Assess whether the radiator includes protective finishes, sacrificial anodes, or compatible alloys that reduce electrochemical corrosion. Also consider how it will handle vibration and road debris. A more durable radiator can reduce long-term maintenance and the likelihood of unexpected failures.
Serviceability And Installation Ease
Serviceability considers how simple it is to install, inspect, or repair the radiator. Features that simplify installation include properly placed mounting brackets, preinstalled fittings, and clear alignment points. A unit that allows straightforward access to sensor ports and transmission lines will make routine service and troubleshooting faster.
Ease of installation also relates to whether common hand tools suffice and whether any additional adapters are required. Select a radiator that minimizes vehicle disassembly and lowers the chance of installation error, particularly if you plan to perform the work yourself.
FAQ
How can I tell if my Mercedes-Benz GLE radiator is failing?
Common signs include visible coolant leaks under the vehicle, a consistently rising temperature gauge, or steam from the engine bay after driving. You may also notice low coolant levels or discolored, contaminated coolant during inspection. These symptoms often prompt a closer check for wet spots, corrosion, or damaged fins on the radiator.
Is it better to replace the radiator with the same design or upgrade to a higher-capacity unit?
That depends on your driving needs. Matching the original design usually preserves factory behavior and simplifies fitment. Upgrading to a higher-capacity radiator can help if you regularly tow, drive aggressively, or have modified engine output. Consider fitment, coolant flow characteristics, and whether the rest of the cooling system can accommodate a different unit.
Do radiators require special coolant for the Mercedes-Benz GLE?
Most radiators function with the coolant types specified in the vehicle's maintenance manual. Using the recommended coolant formulation and maintaining proper concentration helps prevent corrosion and maintains thermal properties. Avoid mixing incompatible coolant chemistries, and follow manufacturer guidance on intervals for coolant exchange or testing.
Can a radiator leak be repaired, or does it need full replacement?
Small external leaks from fittings or hoses can sometimes be repaired if found early, and minor damage to fins can be straightened. However, larger internal leaks, significant corrosion, or cracks in tanks usually require replacement for a reliable fix. Repairability depends on the location and extent of the damage and the radiator's construction.
How long does radiator installation typically take on a Mercedes-Benz GLE?
Installation time varies with experience and whether ancillary components must be removed. For a straightforward swap with correct fitment, an experienced technician can often complete the job in a few hours. More complex cases that require fan removal, transmission line work, or additional parts may take longer.
How We Chose the Best Mercedes-Benz GLE Radiator
We evaluated candidate radiators using specific, vehicle-focused criteria designed to reflect real-world use of the Mercedes-Benz GLE. Key filters included cooling capacity under load, measured by core design and surface area; construction quality, including tank material and joint strength; fitment accuracy to factory mounting points and hose connections; thermal efficiency, including fin density and flow characteristics; and durability against corrosion and vibration. We also assessed compatibility with standard coolant types and pressure ratings relevant to the model. Exclusions included products lacking clear fitment details for the Mercedes-Benz GLE, units with non-documented materials, and items without basic warranty or quality assurances. Our selection favors entries that balance effective heat rejection, long-term reliability, and straightforward installation for this specific vehicle.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize cooling capacity and precise fitment when choosing a radiator for a Mercedes-Benz GLE, since those factors most directly affect temperature control and installation ease. Balance material and construction choices against durability needs and how you drive, and ensure compatibility with the vehicle's cooling circuit and sensor locations. Accept that tradeoffs exist between upgrade performance and straightforward replacement. Focus on the factors that match your typical use—daily commuting, towing, or high-load driving—and pick the option that offers the best combination of cooling performance, longevity, and ease of service.
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