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If you own a Mercedes-Benz GLC, selecting the right oil catch can can help reduce oil vapor and carbon buildup in the intake and PCV system. Choosing an appropriate catch can matters because buildup can affect throttle response, idle quality, and long-term intake cleanliness. This guide lists seven shortlisted oil catch cans chosen specifically with the GLC in mind. We evaluated each option for build quality, mounting and hose routing simplicity, and how well it integrates with the vehicle's PCV and turbocharged systems. Read on to see the top picks and why they made the list.
Looking for other parts? See all Mercedes-Benz GLC parts & accessories.
Top Picks at a Glance
| Best overall The best all-around choice for most situations | EVIL ENERGY 300ml Baffled Oil Catch Can Kit with Breather Filter |  |
| Best Quality Built to a higher standard if you want something more solid | Mishimoto MMOCC-RB Black Oil Catch Can |  |
| Best Value The sweet spot between price and what you get | ESPEEDER Universal Aluminum Oil Catch Can with Breather Filter (300ml) |  |
| Best budget The cheapest option that still gets the job done reliably | YESHMA 750ml Billet Aluminum Baffled 2-Port Oil Catch Can with Breather Filter and Drain Valve |  |
| Highest Rated A top-rated pick with lots of positive feedback | EVIL ENERGY Baffled 300ml Oil Catch Can Kit with NBR Hose |  |
| Most popular A crowd favorite that many people choose with confidence | RULLINE 350ml Universal Baffled Oil Catch Can |  |
| Best Seller A high-volume bestseller chosen again and again | EVIL ENERGY Baffled 300ml Oil Catch Can Kit with Bronze Filter and 5ft Hose |  |
1. EVIL ENERGY 300ml Baffled Oil Catch Can Kit with Breather Filter
| Capacity | 300 Milliliters |
|---|---|
| Fuel Type | Gasoline |
| Fit Type | Universal |
| Manufacturer | Speedwow Tuning |
This EVIL ENERGY catch can is a compact, universal baffled separator meant to intercept oil and blow-by from the crankcase before it reaches the intake tract. It is typically installed in-line with PCV hoses or used as a vent on pre-PCV systems using the included hose and optional breather filter. The 300ml aluminum tank, internal baffle and stainless wool element help trap oil droplets while the dipstick makes level checks straightforward. For a Saturn Vue, the kit is suited to owners who want a simple add-on to help limit intake valve deposits and keep the intake cleaner between services. Installation requires routing the provided hose and securing the can in the engine bay where there is room, and the universal fittings mean shop adjustment or small adapters may be needed for some hose sizes on specific Vue model years. The kit is practical and affordable but small capacity means more frequent inspection and draining than larger catch cans, and universal fitment lacks vehicle-specific brackets or fittings.
Best for: Risk-averse mainstream Saturn Vue owners who prioritize protecting the intake from oil contamination with a straightforward, low-cost add-on and prefer something simple to install and inspect.
Less Ideal for: Owners seeking a vehicle-specific kit with dedicated brackets, larger capacity, or a plug-and-play harness should look for purpose-built options designed specifically for the Saturn Vue.
- Baffled internal design and stainless wool help separate oil from PCV air
- Includes breather filter option for venting on pre-PCV setups
- Compact 300ml aluminum tank is lightweight and corrosion resistant
- Dipstick provided for easy fluid level checks
- 300ml capacity requires more frequent draining compared with larger cans
- Universal mounting and hose sizes may need adapters or custom brackets for clean installation on a Saturn Vue
Verdict: A compact, affordable baffled catch can kit that gives Saturn Vue owners a simple way to reduce oil vapor entering the intake and help keep the engine cleaner between services.
2. Mishimoto MMOCC-RB Black Oil Catch Can
| Liquid Volume | 16 Fluid Ounces |
|---|---|
| Container Type | Can |
| Automotive Fit Type | Vehicle Specific Fit |
| Compatible with Vehicle Type | Car, Truck, SUV, etc. |
The Mishimoto MMOCC-RB is a compact, vehicle-specific oil catch can kit intended to keep oil vapors and blow-by out of the intake tract. It installs inline with the PCV/CCV plumbing and collects condensed oil in a 16-ounce reservoir that is monitored via a clear sight tube. The kit ships complete with bracketry, hoses, clamps, and fittings so you get a ready-to-fit assembly rather than sourcing parts separately. In practical use it reduces oil buildup in the intake, intercooler, and piping which helps maintain combustion efficiency and reduces the risk of oil-soaked couplers under boost. The built-in sight tube and removable can make inspections and draining straightforward, though the 16-ounce capacity means frequent checks on high-mileage or hard-driven Saturn Vue engines. The black finish looks tidy in an engine bay, and Mishimoto’s reputation for performance cooling parts makes this a solid factory-replacement style upgrade for owners prioritizing sustained performance.
Best for: Performance-oriented Saturn Vue owners who prioritize keeping intake and turbo systems clean to preserve power and reliability during spirited driving and tuning.
Less Ideal for: Drivers looking for a zero-maintenance or large-capacity solution should consider catch cans with greater fluid capacity or systems designed for long-interval service.
- Complete kit with bracket, hoses, clamps, and fittings for straightforward installation
- 16 fl oz reservoir with sight tube for easy visual monitoring and draining
- Compact, vehicle-specific design fits cleanly in tight engine bays
- Helps prevent oil contamination of the intake and turbo plumbing, protecting performance parts
- 16-ounce capacity may require frequent draining on heavily used or older engines
- Lifetime warranty claim language on listing conflicts with a 30 day manufacturer warranty noted elsewhere
Verdict: A compact, vehicle-specific catch can kit that keeps oil out of the intake plumbing to protect performance and maintain efficiency.
3. ESPEEDER Universal Aluminum Oil Catch Can with Breather Filter (300ml)
| Capacity | 300 Milliliters |
|---|---|
| Material Type | Aluminum |
| Fit Type | Universal Fit |
| Fuel Type | Gasoline |
| Product Grade | Performance Parts |
This ESPEEDER catch can is a simple, universal-fit reservoir designed to trap oil and moisture before they re-enter the intake system. It installs inline with crankcase or PCV plumbing and is most commonly mounted in the engine bay using the included bracket and fittings. The 300 ml baffled reservoir, internal dipstick and removable bottom make it easy to monitor and drain collected oil without disassembly. Constructed from T-6061 aluminum with an anodized finish and TIG welded seams, it is corrosion resistant and feels sturdily machined. The kit includes two sized fittings, a small breather filter and basic hoses and clamps, though the supplied soft hose is intended as a temporary aid and buyers should use heat-rated vacuum hose for long-term use. Because it is a universal part, you may need to select mounting location and hose routing specific to the GLC and adapt fittings for factory lines. For buyers wanting a low-cost, well-built catch can that reduces intake contamination on a tuned or higher-mileage Mercedes-Benz GLC, this is a practical option, while those seeking vehicle-specific plumbing or an oil-free venting solution should consider more specialized alternatives.
Best for: Practical optimizers who want a low-cost, durable upgrade to reduce oil contamination in the intake of their Mercedes-Benz GLC and who are comfortable adapting a universal part to the vehicle.
Less Ideal for: Drivers who want a vehicle-specific, plug-and-play catch can with factory-style fittings or those who prefer a completely closed, oil-free crankcase venting system.
- Baffled 300 ml reservoir with removable drain and dipstick for easy monitoring and cleaning
- T-6061 aluminum body with anodized finish and TIG welding offers durable, corrosion-resistant construction
- Includes multiple fittings, breather filter and basic mounting hardware for a mostly complete kit
- Compact size and universal fit allow flexible placement in the engine bay of the GLC
- Supplied hose is low-quality and not rated for high temperature so replacement is recommended
- Universal fittings mean adapter hoses or custom routing may be required for a factory Mercedes-Benz GLC plumbing interface
Verdict: A cost-effective, durable universal catch can that pairs well with a Mercedes-Benz GLC when you replace the supplied hose and adapt the fittings for a clean, reliable installation.
4. YESHMA 750ml Billet Aluminum Baffled 2-Port Oil Catch Can with Breather Filter and Drain Valve
| Fit Type | Universal |
|---|---|
| Fuel Type | Diesel, Gasoline |
| Manufacturer | YESHMA |
| Capacity | 750ml |
This catch can is a simple, budget-focused solution that traps oil and blow-by before it reaches the intake. It installs inline with the PCV/CCV plumbing and uses internal baffles plus an external breather to separate oil vapor into a 750ml reservoir; a quick-drain valve and included hose connectors make periodic servicing straightforward. The billet aluminum body is anodized for corrosion resistance and looks substantially more finished than plastic alternatives. Practical benefits include a large catch volume that reduces how often you need to empty it and a drain valve that speeds routine maintenance. On the downside the unit is universal rather than vehicle-specific so fitment for tight engine bays can require custom mounting or shorter hoses, and a few user reports note cosmetic machining debris and a less-than-robust factory drain seal that may need inspection before installation. This is a cost-effective pick if you want basic oil separation for an intake system without paying for a vehicle-specific kit.
Best for: Budget-conscious Mercedes‑Benz GLC owners who prioritize low cost and a simple add-on to reduce intake oil contamination while accepting some DIY fitment and prep work.
Less Ideal for: Owners seeking a vehicle-specific, plug-and-play solution with guaranteed fit and factory-grade seals should consider a purpose-built GLC catch can kit instead.
- 750ml capacity reduces how often it needs emptying compared with smaller cans
- Billet aluminum construction with anodized finish for durability and a factory-quality look
- Baffled internal design and external breather help separate oil from crankcase vapors
- Includes drain valve and multiple hose connectors for easier serviceability
- Universal design may require custom mounting or hose routing for the GLC's confined engine bay
- Some units reported machining debris and thread contamination that need cleaning before fitment
Verdict: A low-cost, large-capacity aluminum catch can that delivers basic oil separation for a GLC but needs minor prep and custom mounting for a neat installation.
5. EVIL ENERGY Baffled 300ml Oil Catch Can Kit with NBR Hose
| Capacity | 300 Milliliters |
|---|---|
| Fuel Type | Diesel |
| Fit Type | Universal |
| Hose Length | 2.6ft |
This EVIL ENERGY catch can separates oil and moisture from crankcase ventilation before they reach the intake, using a removable baffle and optional stainless wool to improve condensation and oil capture. It is typically installed inline with PCV hoses or fitted as a vent for pre-PCV setups, and the kit includes a heat- and wear-resistant NBR hose with M16x1.5 threaded ports for a secure connection. The 300ml aluminum tank is compact enough to tuck into tighter engine bays while still providing a visible reservoir via the included dipstick for monitoring. Practical benefits include reduced intake valve and intake tract gunk, easier maintenance thanks to the removable baffle and cleaning access, and a durable hose that tolerates engine heat. Limitations are the modest 300ml capacity which requires periodic draining on engines with heavy blow-by and the recommendation to clean more often in freezing climates to avoid moisture freezing in the vent path.
Best for: Reliability-focused owners who prioritize keeping the intake and valves cleaner over long-term ownership and want a straightforward, serviceable solution to reduce oil vapors entering the intake.
Less Ideal for: Drivers who prefer zero-maintenance parts or who cannot access space in the engine bay for an additional inline component should consider alternatives or professional installation.
- Baffled design with removable baffle and option to add stainless wool for improved oil separation
- Includes NBR fuel/vent hose rated for heat and wear resistance for reliable connections
- Compact 300ml aluminum tank that fits into tight engine bays and includes a dipstick for easy checks
- M16x1.5 threaded inlet/outlet ports for a secure fit to standard PCV hose fittings
- 300ml capacity may require frequent draining on engines with high blow-by
- Manufacturer notes increased maintenance in freezing temperatures to prevent moisture-related blockages
Verdict: A compact, serviceable baffled catch can kit that helps keep intake systems cleaner with durable hose parts for reliable, long-term use.
6. RULLINE 350ml Universal Baffled Oil Catch Can
| Capacity | 350 Milliliters |
|---|---|
| Fuel Type | Gasoline |
| Fit Type | Universal |
| Product Grade | Performance Part |
This RULLINE catch can captures oil and moisture from PCV/CCV lines and stores them in a 350ml baffled reservoir, helping reduce carbon and sludge build-up in the intake of a Mercedes‑Benz GLC. It is fully TIG welded and uses an O‑ring sealed screw cup and dipstick to check fluid level without disassembly. The kit includes three adapter fittings and an upgraded braided hose that is more durable than basic rubber lines, though many buyers still replace or resize hoses for a perfect fit. Installation requires finding a secure mounting point and routing short hose runs between the PCV and intake; the small included bracket often needs modification or replacement for tidy installs. Practical benefits are cleaner intake components over long miles and a simple serviced reservoir with visible fill indication. Limitations include the modest 350ml capacity that needs periodic emptying on some engines and the need to adapt hose diameters or use better clamps for a leak-free connection.
Best for: Convenience‑driven buyers who want a simple, serviceable upgrade to reduce intake deposits on their Mercedes‑Benz GLC without a complex custom setup or frequent teardown.
Less Ideal for: Owners seeking a high‑capacity, vehicle‑specific solution or a plug‑and‑play kit tailored to exact Mercedes‑GLC hose fittings should consider purpose‑built options instead.
- Baffled 350ml reservoir reduces oil and moisture reaching the intake.
- Fully TIG welded aluminum body with O‑ring sealed screw cup for reliable sealing.
- Includes dipstick for easy level checks without removing the can.
- Supplied braided hose is more durable than standard rubber tubing.
- Three adapter fittings increase chances of matching factory hose sizes.
- 350ml capacity may require frequent draining on high‑blow‑by or long‑interval use.
- Mounting bracket is generic and often needs modification for a clean install.
- Supplied hose and clamps sometimes require replacement or resizing for an exact fit.
Verdict: A compact, affordable catch can that provides convenient intake protection for a Mercedes‑GLC but may need hose and mounting tweaks for a tidy, leak‑free installation.
7. EVIL ENERGY Baffled 300ml Oil Catch Can Kit with Bronze Filter and 5ft Hose
| Capacity | 300 ml |
|---|---|
| Hose length | 5 ft (1.5 m) |
| Hose ID | 3/8 inch |
| Inlet/Outlet thread | M16×1.5 |
This EVIL ENERGY baffled catch can is a compact, universal 300 ml unit designed to intercept oil and moisture from crankcase ventilation before they reach the intake. It installs inline with PCV plumbing or as a vent for pre-PCV setups and includes a removable baffle and a low-micron bronze filter to improve oil separation. The kit ships with a 5 ft NBR hose rated for heat and wear plus mounting hardware, so most installs only need minor bracket adjustments. For a Mercedes-Benz GLC this size and the baffle/filter combination help reduce intake valve gunk and keep direct-injection intake components cleaner between services. Practical benefits include straightforward maintenance via the removable filter and an easy visual check of collected oil. Limitations are its small 300 ml capacity, which means more frequent draining on cars that produce heavy blow-by, and one review flagged quality control issues around filter threading that warrant inspection at installation.
Best for: A risk-averse, mainstream Mercedes‑Benz GLC owner who prioritizes protecting the engine from intake contamination and wants a simple, factory-replacement style add-on that is easy to service.
Less Ideal for: Drivers who expect long intervals between maintenance or who want a high-capacity, service-free solution should consider larger or OEM-specified systems instead.
- Baffled design with removable baffle improves oil droplet separation before air is routed back to the intake.
- Low-micron bronze filter provides an additional capture stage to reduce fine oil carryover.
- Includes 5 ft NBR hose with good heat and wear resistance for flexible routing in tight engine bays.
- Compact 300 ml tank fits in confined spaces common on modern vehicles and is easy to mount.
- Removable internals and visible collection area make inspection and draining straightforward.
- 300 ml capacity may fill quickly on high-mileage or high-blow-by engines requiring frequent emptying.
- Some reported quality control issues with the filter threading and internal burrs that should be inspected before installation.
Verdict: A compact baffled catch can with bronze filtering that offers a practical, serviceable way to reduce intake oil contamination on the Mercedes‑Benz GLC.
Choosing the Right Mercedes-Benz GLC Oil Catch Can: Key Factors to Consider
Fitment and Hose Orientation
A catch can that matches the GLC's PCV and intake port locations reduces installation time and the need for adapter fittings. Correct inlet and outlet placement prevents awkward hose runs that can kink or collect oil, which would undermine performance.
Consider how the unit mounts relative to existing brackets and whether included hoses and clamps are sufficient. Poor orientation can make routine draining or inspection difficult and increase the chance of leaks or disconnections during driving.
Construction Material and Durability
Materials like billet aluminum or stainless steel resist corrosion and tolerate engine-bay heat better than cheaper plastics. Durable construction helps maintain a tight seal and prevents thread or component wear over time.
Look for corrosion-resistant finishes, robust fittings, and reinforced hose ends. Longevity matters because a failing catch can could introduce leaks or contaminants rather than capturing them.
Separation Method and Internal Design
Different catch cans use baffles, mesh, or filter media to separate oil from blow-by gases. The internal design affects how well oil droplets coalesce and settle out before air returns to the intake.
A well-designed internal path minimizes carryover and reduces how often you must drain the unit. Consider units with visible inspection ports or clear reservoirs if you prefer quick visual checks without disassembly.
Mounting Hardware and Accessibility
Mounts should secure the catch can against vibration and be positioned for convenient access. A location that requires removing many components for basic service will discourage routine maintenance.
Check whether the kit includes vehicle-specific brackets or universal solutions that adapt to the GLC's engine bay. Easy-to-remove drain plugs or quick-disconnect fittings make emptying the can less messy and faster.
Compatibility with Turbocharged Systems
Turbocharged engines route crankcase vapors differently and can have higher pressures and temperatures. A catch can intended for forced-induction applications will handle heavier oil load and higher flow rates without restricting ventilation.
Ensure the unit's hose and fitting sizes match the GLC's lines and that the design avoids creating excessive backpressure on the PCV system. Proper balance keeps the engine breathing as intended while capturing contaminants.
Maintenance Requirements and Serviceability
Some catch cans require frequent draining or filter replacement, while others offer larger capacity or self-draining features. Consider how often you are willing to check and service the unit.
Accessible drain points, clear volume indicators, and straightforward reassembly reduce the chance of neglect. Maintenance burden influences long-term effectiveness and whether the catch can remains an active part of the vehicle's ventilation system.
How We Chose the Best Mercedes-Benz GLC Oil Catch Can
We focused on options that suit the Mercedes-Benz GLC's engine layout and common service constraints. Key evaluation criteria included material and build quality to ensure corrosion resistance and durability, inlet and outlet orientation to match GLC vacuum and PCV ports, mounting options and hardware compatibility with common GLC engine bays, ease of installation including hose routing and clamp quality, and maintenance accessibility for routine draining or servicing. We also considered filtration and baffle design that influence oil separation efficiency and how a unit handles turbocharged crankcase ventilation. Units that required extensive modification or did not offer clear GLC-specific fitment were excluded. Our list emphasizes practical fit, reliable materials, and straightforward serviceability rather than novelty features.
Our full evaluation process is outlined in our review methodology.
FAQ
Will adding a catch can harm my Mercedes-Benz GLC's engine warranty?
Warranty effects depend on the terms and local regulations and whether installation causes damage. Installing a catch can can be considered a modification, so document the installation and avoid altering factory components in ways that could cause oil leaks or engine issues. If unsure, consult an authorized service provider or your warranty documents before modifying the PCV system.
How often should I check or drain a catch can on a GLC?
Drain intervals vary with driving style, engine condition, and catch can capacity. Typically, inspect the can every few thousand miles or during regular maintenance intervals. Vehicles with frequent short trips or heavy boost use may accumulate oil faster and need more frequent checks.
Can a catch can cause issues with the PCV system if installed incorrectly?
Yes. Incorrect hose routing, improper sealing, or using undersized fittings can create backpressure or leaks that affect ventilation and engine performance. Follow installation guidance for routing and secure all connections, and verify there is no excessive pressure buildup after installation.
Does a catch can eliminate carbon buildup in the intake entirely?
A catch can reduces the amount of oil vapor entering the intake, which helps slow carbon accumulation, but it does not eliminate buildup completely. Other factors such as fuel composition, engine design, and maintenance practices also influence carbon deposits over time.
Is a catch can difficult to install on a turbocharged GLC engine?
Difficulty varies by kit and your mechanical experience. Some kits include vehicle-specific brackets and fittings that simplify installation, while universal kits may require trimming hoses or fabricating mounts. Plan for 1 to 3 hours for many installations and ensure proper hose routing to avoid kinks.
Conclusion
When choosing an oil catch can for a Mercedes-Benz GLC, prioritize correct fitment, robust construction, and serviceability. These factors determine how well the unit integrates with the PCV and turbo systems and how easily you can maintain it over time. Balance separation performance with ease of installation and regular maintenance needs. A well-chosen catch can will reduce oil vapor in the intake without introducing undue backpressure or service burden, helping preserve intake cleanliness and engine responsiveness.
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