5 Best Oil Coolers for Mercedes-Benz GLA: Improve Engine Cooling and Reliability

Mike
By Mike
Certified Professional Automotive Mechanic – Owner and Editor of VehicleRuns
Last Updated: June 19, 2026

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If you drive a Mercedes-Benz GLA, the right oil cooler can help keep operating temperatures in check during spirited driving, heavy loads, or daily commuting. Poor oil cooling can accelerate wear and reduce oil life, while a well-chosen cooler stabilizes temperatures and supports consistent oil pressure. This guide covers our seven shortlisted oil coolers selected for fitment with the Mercedes-Benz GLA and explains the evaluation criteria used, including cooling capacity and build quality. Read on to understand what to prioritize when picking an oil cooler that matches your driving demands and maintenance preferences.

Top Picks at a Glance

EVIL ENERGY 30-Row Stacked-Plate Oil CoolerEVIL ENERGY 30-Row Stacked-Plate Oil Cooler
Best quality
Built to a higher standard if you want something more solid
BLCYANUE Engine Oil Cooler Filter Housing for Mercedes-Benz (OEM 2701800810)BLCYANUE Engine Oil Cooler Filter Housing for Mercedes-Benz (OEM 2701800810)
Best Value
The sweet spot between price and what you get
NewYall 2.0L Engine Oil Filter Housing with Oil Cooler for Mercedes-BenzNewYall 2.0L Engine Oil Filter Housing with Oil Cooler for Mercedes-Benz
Highest Rated
A top-rated pick with lots of positive feedback
MITZONE Aluminum Oil Cooler and Filter Housing Assembly for Mercedes-Benz 2.0LMITZONE Aluminum Oil Cooler and Filter Housing Assembly for Mercedes-Benz 2.0L
Best Seller
A high-volume bestseller chosen again and again
Ucreative 30-Row Stacked Plate Aluminum Engine/Transmission Oil Cooler KitUcreative 30-Row Stacked Plate Aluminum Engine/Transmission Oil Cooler Kit

1. EVIL ENERGY 30-Row Stacked-Plate Oil Cooler

EVIL ENERGY 30-Row Stacked-Plate Oil Cooler
Best overall
A compact stacked-plate aluminum oil cooler designed to lower oil temperatures for engines, transmissions, and differentials in vehicles with available mounting space.
Oil capacity0.74 L
Test pressure116 PSI
Burst pressure232 PSI
MaterialAluminum alloy

This EVIL ENERGY 30-row stacked-plate cooler is a compact aluminum unit intended to reduce oil temperatures and improve lubrication for engine or transmission applications. It installs where there is good airflow and uses stacked plates for high cooling efficiency while keeping overall size small enough to fit tight engine bays. Typical use is as an add-on or replacement cooler for vehicles that run hot under towing, spirited driving, or modified setups; it accepts AN-style fittings and supports higher test and burst pressures for durability. Practical benefits include a noticeable drop in operating temperature, multiple mounting holes for bracket mockups, and easier hose routing when using AN lines. Limitations are its modest capacity compared with larger tube-and-fin units, which means very large V8s or heavy towing on steep grades may need a bigger cooler, and some users report fitting or fitting-breakage issues when overtightening or using incompatible adapters. Installation may require custom brackets and AN adapters to match factory lines on a Mercedes-Benz GLA.

Best for: Balanced owners who want a compact, effective aftermarket oil cooler to reduce operating temperatures without major modifications and who prioritize a practical, all-round performance upgrade.

Less Ideal for: Drivers planning heavy towing, sustained high-load runs, or owners of large displacement engines who need maximum cooling capacity should consider larger multi-pass or tube-and-fin coolers instead.

Pros:
  • Stacked-plate design for efficient heat transfer in a small package
  • Aluminum construction and machined exterior for corrosion resistance and weight savings
  • Multiple mounting holes simplify bracket placement during installation
  • Supports AN-style fittings for secure braided-line connections
  • Test and burst pressure ratings indicate robust construction
Cons:
  • Smaller oil capacity than larger coolers, limiting cooling for very large engines under heavy loads
  • May require AN adapters or custom brackets to connect to Mercedes-Benz GLA factory lines
  • Some users report occasional fitting failures if fittings are mishandled or overtightened

Verdict: A compact, efficient stacked-plate cooler good for lowering oil temps on a Mercedes-Benz GLA, but owners with heavy-duty cooling needs may want a larger unit.

2. BLCYANUE Engine Oil Cooler Filter Housing for Mercedes-Benz (OEM 2701800810)

BLCYANUE Engine Oil Cooler Filter Housing for Mercedes-Benz (OEM 2701800810)
Best quality
A vehicle-specific engine oil cooler and filter housing designed to replace the factory unit on select Mercedes-Benz models to maintain oil temperature and filtration performance.
Compatible with Vehicle TypeMercedes-Benz A35 AMG, A220, GLB250, GLA45 AMG, CLA250, GLA250
Thread SizeM16 x 1.5
Product GradePerformance Part
OEM Equivalent Part Number2701800810

This BLCYANUE oil cooler and filter housing is a direct-fit replacement designed for specific Mercedes-Benz models and replaces the factory-style assembly (OEM 2701800810). It combines the oil filter housing and integrated cooler to keep engine oil temperature controlled while directing fluid through the filter, which helps preserve oil life and engine longevity during spirited driving. The part is sold as a single vehicle-specific assembly and is described as made from upgraded materials for improved wear and temperature resistance and is pressure tested before shipping. In practice it is installed in place of the original housing during routine service or when the factory unit shows leaks or cooling issues. The main benefits are easier fitment compared with sourcing separate components and restored oil cooling and sealing performance. Limitations include dependence on correct torque and gasket installation at fitment and the fact that buyers should confirm exact model year fitment before ordering; this is a replacement assembly rather than an engineered performance upgrade for increased cooling capacity beyond factory levels.

Best for: Performance-oriented Mercedes-Benz owners who prioritize restoring reliable oil cooling and filtration with a factory-style replacement rather than seeking an aftermarket high-capacity upgrade.

Less Ideal for: Drivers who want an upgraded cooling solution with increased capacity or custom tuning should consider purpose-built performance coolers instead.

Pros:
  • Vehicle-specific fit for Mercedes-Benz applications listed, simplifying installation.
  • Integrated oil cooler and filter housing replaces the factory assembly in one unit.
  • Manufacturer claims enhanced materials and heat resistance compared with basic aftermarket housings.
  • Pre-shipping testing reduces risk of obvious leaks or defects on arrival.
Cons:
  • Not marketed as a high-capacity performance cooler beyond factory specifications.
  • Fitment requires confirming exact model and year to avoid incompatibility.
  • Installation requires proper sealing and torque to prevent leaks, so professional installation is recommended if you're not experienced.

Verdict: A direct-fit, factory-replacement oil cooler and filter housing for select Mercedes-Benz models that restores stock oil cooling and sealing without increasing cooling capacity.

3. NewYall 2.0L Engine Oil Filter Housing with Oil Cooler for Mercedes-Benz

NewYall 2.0L Engine Oil Filter Housing with Oil Cooler for Mercedes-Benz
Best Value
A replacement oil filter housing with integrated oil cooler designed for Mercedes-Benz 2.0L models including GLA250 that provides a direct-fit, aluminum factory-style unit.
Compatible ModelsGLA250 (2.0L) 2015-2020
Material TypeAluminum
Product GradePerformance Part
Automotive Fit TypeVehicle Specific Fit

This NewYall oil filter housing replaces the factory unit on Mercedes-Benz 2.0L engines and includes the oil cooler section for a complete swap. It is typically used during routine service when the housing is corroded, leaking, or when replacing the oil cooler assembly as part of maintenance. The aluminum construction suggests improved corrosion resistance and heat dissipation compared with some stamped housings, and the part ships as a kit with the necessary housing and mount components. For a practical optimizer this delivers a close-to-factory replacement without paying premium brand pricing, and several buyers report an easy fit and included gasket and filter in comparable purchases. Limitations to consider are that fitment is vehicle-specific so correct year and GLA250 compatibility must be confirmed before purchase, and aftermarket parts can vary in long-term durability compared with higher-end factory-quality assemblies. Installation may require basic shop tools and attention to torque specs to avoid leaks.

Best for: A practical optimizer who wants a near-factory replacement for routine maintenance on a Mercedes-Benz GLA250 without paying for an OEM-priced assembly, balancing cost and functionality.

Less Ideal for: Customers seeking a long-term factory-brand replacement or those who prefer dealer-installed parts with manufacturer warranty coverage should consider OEM options instead.

Pros:
  • Direct replacement design intended for Mercedes-Benz 2.0L engines including GLA250 fitment
  • Aluminum construction for better corrosion resistance and heat transfer than some alternatives
  • Ships as a single kit suitable for replacing the housing and oil cooler together
  • Reported easy fit and inclusion of gasket and filter in similar listings, reducing parts-hunt time
Cons:
  • Aftermarket durability may not match higher-cost factory-quality housings over many years
  • Fitment is vehicle-specific so buyer must verify exact model and year compatibility

Verdict: A cost-conscious, aluminum replacement housing that restores oil cooling and filtration for GLA250 owners who want a practical, budget-friendly swap.

4. MITZONE Aluminum Oil Cooler and Filter Housing Assembly for Mercedes-Benz 2.0L

MITZONE Aluminum Oil Cooler and Filter Housing Assembly for Mercedes-Benz 2.0L
Highest Rated
An aluminum oil cooler and filter housing assembly designed as a performance upgrade and factory-replacement style unit for select Mercedes‑Benz 2.0L engines.
Thread SizeM16 x 1.5
Material TypeAluminum
Product GradePerformance Part
Compatible with Vehicle TypeCar

This aluminum oil cooler and oil filter housing assembly replaces the factory plastic housing on select Mercedes‑Benz 2.0L M260/M270 engines and provides an integrated oil cooler, filter location, and necessary gaskets. It is typically used when the factory plastic housing shows signs of wear, leaks, or as a preventative upgrade; installation follows the factory location and uses the same thread size and included gaskets and filter. Notable features include full aluminum construction for improved durability over plastic, included gaskets and oil filter to simplify installation, and compatibility notes and OEM equivalent part numbers to check fit. Practical benefits are greater resistance to heat and cracking, immediate availability compared with some backordered factory parts, and a performance-oriented fitment that many buyers report as direct replacement. Limitations are that fitment must be confirmed against the listed interchange numbers and vehicle models and this aftermarket part may require careful torque and sealing during install to match factory sealing performance.

Best for: Reliability-focused owners who prioritize a durable, longer‑lasting replacement over the original plastic housing and who want a ready‑to‑install upgrade to reduce future failure risk.

Less Ideal for: Drivers who must strictly maintain factory-original parts for warranty or concours purposes or those who prefer dealer-sourced factory housings for service history consistency.

Pros:
  • Aluminum construction offers improved durability and heat resistance compared with factory plastic housings
  • Includes oil filter and gaskets so the kit is ready to install
  • Lists OEM equivalent part numbers for easier fitment verification
  • Vehicle‑specific fit designed for direct replacement on compatible 2.0L Mercedes engines
Cons:
  • Requires careful fitment verification against interchange numbers and vehicle model years before purchase
  • As an aftermarket performance-grade part it may differ slightly from factory sealing tolerances

Verdict: A durable aluminum oil cooler and filter housing kit that replaces the fragile factory plastic unit to improve long-term reliability on compatible Mercedes‑Benz 2.0L engines.

5. Ucreative 30-Row Stacked Plate Aluminum Engine/Transmission Oil Cooler Kit

Ucreative 30-Row Stacked Plate Aluminum Engine/Transmission Oil Cooler Kit
Best Seller
A 30-row stacked-plate aluminum oil cooler kit with AN fittings designed to lower engine or transmission oil temperatures for improved lubrication and longevity.
Rows30
Oil capacity0.74L
Test pressure116 PSI
Burst pressure232 PSI

This Ucreative 30-row stacked plate cooler is a compact aluminum oil cooler kit built to reduce engine or transmission oil temperatures by increasing heat transfer area. It arrives with a selection of AN adapters for 10AN to 8AN and 6AN lines and is intended to be mounted where airflow is available, such as behind the grille or in front of the radiator. In use you route oil through the cooler to shed heat before it returns to the gearbox or engine sump; reviewers report measurable oil temperature drops and trouble-free AN fittings when installed correctly. The unit’s stacked plate design delivers good cooling for its footprint and the included adapters save time sourcing fittings. Important limitations are that installation hardware and instructions are not provided and some buyers add mounting brackets or an auxiliary fan for tighter spaces; the cooler’s size and oil capacity may require choosing a different location or adding a second cooler for heavy-duty towing or track duty. Expect to plan fitment and mounting for a GLA and verify clearance before buying.

Best for: Risk-averse mainstream buyers who prioritize reliable temperature control and want a proven, off-the-shelf cooler they can fit with basic shop work or a professional installer.

Less Ideal for: Drivers seeking a plug-and-play, vehicle-specific cooler with factory-style mounting or those planning extreme-duty track/tow use who may need higher capacity or dual-cooler solutions.

Pros:
  • High cooling surface from 30 stacked plates for effective oil temperature reduction
  • Aluminum construction reduces corrosion risk and is lightweight for easier mounting
  • Includes common AN adapters (10AN to 8AN and 6AN) so you can connect braided lines without extra fittings
  • Compact footprint fits in tighter spaces behind the grille or radiator where airflow is available
Cons:
  • No installation brackets or printed instructions included so custom mounting is usually required
  • Manufacturer does not list full compatibility so fitment for a GLA may need modifications or additional hardware

Verdict: A compact, effective stacked-plate cooler that delivers notable oil temperature reduction for a GLA but requires planning for mounting and fitment.

Choosing the Right Mercedes-Benz GLA Oil Cooler: Key Factors to Consider

Cooling Capacity

Cooling capacity determines how much heat the oil cooler can remove at a given flow rate and temperature differential. A higher-capacity core will keep oil temperatures lower during sustained high-load driving, towing, or frequent short trips that prevent full cooling cycles.

When evaluating capacity, consider the vehicle's typical operating conditions. For occasional spirited driving, moderate capacity may suffice. For heavy use or towing, prioritize larger cores or designs with increased surface area to avoid oil breakdown and maintain viscosity stability.

Core Construction and Materials

Core construction influences both thermal performance and long-term durability. Materials such as aluminum are common for their combination of conductivity and weight savings, while brazed or welded joints affect leak resistance and structural strength.

Inspect core fin density, tube design, and whether the core is single- or multi-pass. Denser fins can improve heat transfer but may be more prone to clogging in dirty environments. Durable materials and quality assembly reduce the risk of premature failures that lead to oil leaks or loss of cooling efficiency.

Fitment and Compatibility

Proper fitment with the Mercedes-Benz GLA affects installation time and the need for modifications. A unit designed to use existing mounting points and factory hose connections will greatly simplify installation and reduce the chance of routing or clearance issues.

Ensure the cooler's inlet and outlet orientation matches the vehicle's plumbing and that brackets or adapters are available if necessary. Compatibility also covers whether the cooler works with the GLA's oil capacity and recommended flow characteristics to avoid creating pressure or flow problems.

Installation Complexity

Installation complexity influences whether you can install the cooler yourself or need professional help. Some units are drop-in replacements that reuse factory lines, while others require additional lines, adapters, or bracket fabrication.

Consider the tools and mechanical skill required, the accessibility of the installation area on the GLA, and whether additional parts such as adapter fittings or longer oil lines are needed. Lower complexity reduces labor time and the chance of installation-related leaks or routing issues.

Durability and Leak Resistance

Durability affects how long the oil cooler will perform without failure. Good designs resist vibration, corrosion, and pressure cycling. Leak resistance comes from quality seals, fittings, and robust joints between core and end tanks.

Check for corrosion-resistant finishes, well-sealed fittings, and components rated for the pressures expected in the oil system. A durable cooler minimizes maintenance interventions and reduces the risk of oil loss that could harm the engine or transmission.

Serviceability and Parts Availability

Serviceability covers how easy it is to replace hoses, cores, or fittings if maintenance is needed. Readily available replacement parts and clear documentation simplify future repairs and lower long-term ownership hassle.

Prefer units with common fittings and widely available lines or adapters. Availability of spare cores, seals, and mounting hardware reduces downtime and helps preserve cooling performance over the life of the vehicle.

How We Chose the Best Mercedes-Benz GLA Oil Cooler

We focused on attributes that matter specifically for Mercedes-Benz GLA owners and excluded items that were not explicitly suitable for this vehicle. Key evaluation criteria included cooling efficiency under sustained load, material and construction quality, compatibility with the GLA's engine and mounting points, and ease of installation using factory routing where possible. We also considered durability against common failure modes and the availability of necessary lines and adapter options. Products were excluded if fitment required major custom fabrication, if they lacked clear specifications for the GLA, or if they did not provide sufficient details about core design or pressure ratings. The final seven were those that provided a clear balance of thermal capacity, robust construction, and practical installability for the Mercedes-Benz GLA owner.

Our full evaluation process is outlined in our review methodology.

FAQ

How do I know if my Mercedes-Benz GLA needs a new oil cooler?

Common signs include persistent high oil temperatures, unexplained oil pressure changes, visible oil leaks under the vehicle, or oil contamination from coolant. Diagnosis often starts with a visual inspection and monitoring of oil temperature and pressure. If you notice these symptoms, have the cooler and associated lines inspected for leaks, blockages, or damage.

Can I install an oil cooler on my Mercedes-Benz GLA myself?

Some installations are straightforward if the cooler is a direct-fit unit that reuses factory mounting points and hose fittings. Other installations may require additional lines, adapters, or bracket fabrication. Assess your mechanical skill, access to tools, and familiarity with oil-system bleeding before attempting DIY installation. When in doubt, consult a qualified technician.

Will a larger oil cooler affect oil pressure or flow in the GLA?

A properly matched cooler should not negatively impact oil pressure or flow. Issues can arise if the cooler introduces excessive restriction or if hoses and fittings are undersized. Choose a cooler designed for the vehicle's engine flow characteristics and ensure hoses and fittings meet the recommended diameter and pressure ratings to maintain proper circulation.

How often should an oil cooler be inspected or serviced?

Regular visual inspections during routine maintenance are advisable, such as checking for leaks, corrosion, or damage every oil change interval. If you drive in harsh conditions, tow frequently, or notice temperature irregularities, inspect the cooler more often. Replace worn hoses, clamps, or seals promptly to prevent leaks and maintain cooling efficiency.

What causes oil cooler leaks and how are they fixed?

Leaks commonly result from degraded seals, corroded fittings, physical damage to the core, or improperly tightened connections. Fixes range from replacing seals and hose clamps to installing a replacement core or repairing damaged lines. Addressing leaks quickly helps prevent oil loss and potential engine damage.

Conclusion

Selecting the right oil cooler for a Mercedes-Benz GLA means balancing cooling capacity, robust construction, and straightforward fitment. Prioritize units that match the GLA's plumbing and mounting layout and that offer a core and fittings built to resist vibration and corrosion. Keep in mind the tradeoffs between larger cores that offer more cooling and the potential for increased installation complexity. Focus on durability, compatibility, and ease of service to ensure reliable temperature control and longer component life.

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Mike - Certified Professional Automotive Mechanic

About the Author: Mike

Mike is an experienced professional automotive mechanic with hands-on experience maintaining and repairing a wide range of vehicles. At VehicleRuns, he focuses on helping car owners make better decisions about parts, tools, and repairs by combining real-world experience with clear, practical guidance.