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If you drive a Mercedes-Benz ML-Class, the transmission pan plays a small but important role in reliability and serviceability. Choosing the right transmission pan can improve fluid cooling, reduce the chance of leaks, and make routine service like fluid changes faster and cleaner. This guide presents our shortlisted picks for the top transmission pans compatible with the ML-Class and explains the practical factors buyers should weigh.We evaluated options for build quality, sealing features, and ease of installation, then narrowed the list to the best-performing designs for typical maintenance tasks. Read on to see which pans made the cut and why they might suit your needs.
Looking for other parts? See all Mercedes-Benz ML-Class parts & accessories.
Top Picks at a Glance
| Best Overall The best all-around choice for most situations | Generic Transmission Oil Pan for Mercedes-Benz W205/W212/W213/W222/R231 (9HP) |  |
| Best quality Built to a higher standard if you want something more solid | A-Premium Transmission Oil Pan with Drain Plug and Gasket for Mercedes-Benz |  |
| Best Value The sweet spot between price and what you get | AxleyHub Transmission Oil Pan Kit with Drain Plug, Gasket and Filter for Mercedes-Benz (2222700512) |  |
| Best Budget The cheapest option that still gets the job done reliably | Bomunik Transmission Oil Pan Set (8‑Piece) for Mercedes‑Benz — Replace 2222700512 |  |
| Highest Rated A top-rated pick with lots of positive feedback | A-Premium Transmission Oil Pan with Drain Plug for Mercedes-Benz |  |
| Most Popular A crowd favorite that many people choose with confidence | Sawyer Auto Replacement Transmission Oil Pan for Mercedes-Benz ML-Class (direct-fit) |  |
| Best Seller A high-volume bestseller chosen again and again | Bomunik Transmission Oil Pan and Gasket Kit (9-Piece Set) for Mercedes-Benz |  |
1. Generic Transmission Oil Pan for Mercedes-Benz W205/W212/W213/W222/R231 (9HP)
| Brand Name | Generic |
|---|---|
| Manufacturer | zhangwantaocd |
| Part Number | 4954182936908 |
This transmission oil pan is a direct replacement-style sump pan intended for Mercedes-Benz 9HP automatic transmissions found on W205, W212, W213, W222 and R231 models. It functions as the lower reservoir that collects transmission fluid and helps maintain stable flow and temperature, which supports smooth shifting and prolongs transmission life when combined with regular fluid service. The product description notes durable, corrosion-resistant construction and a simple installation process without complex modifications, making it suitable for routine maintenance or repair jobs. Including a transmission filter with service helps ensure cleaner fluid after installation. Practical limits are that fitment must be verified carefully against your specific chassis and transmission variant, and the listing does not provide OEM part cross-reference or detailed material specifications so installers should confirm compatibility and torque specs before reuse of fasteners.
Best for: Balanced buyers who want a practical, replacement-style transmission pan for scheduled service and repairs on Mercedes 9HP-equipped ML-Class vehicles and value durability and straightforward installation.
Less Ideal for: Owners seeking an exact factory-numbered OEM replacement or a pan with documented material certifications should consider sourcing a factory-quality part or dealer option instead.
- Made for Mercedes 9HP transmissions to support stable oil flow and temperature control
- Described as corrosion and wear resistant for longer service life
- Simple installation that does not require vehicle modification
- Includes design intent to help contain waste oil and minimize spills during service
- No OEM part cross-reference or detailed material spec provided in the listing
- Compatibility must be confirmed against specific model and transmission variants before purchase
Verdict: A practical, durable replacement transmission oil pan aimed at Mercedes-Benz 9HP-equipped models for reliable fluid containment and straightforward installation.
2. A-Premium Transmission Oil Pan with Drain Plug and Gasket for Mercedes-Benz
| Compatible with Vehicle Type | Car |
|---|---|
| Fit Type | Vehicle Specific |
| Material Type | Cast Iron |
| Gasket Included | Yes |
| Drain Plug Included | Yes |
This transmission oil pan replaces the factory pan on compatible Mercedes-Benz models and is intended for use during transmission service or after a damaged pan is removed. It is constructed from cast metal with a corrosion-resistant finish, and it ships with a gasket and a drain plug so you can drain fluid and reinstall without sourcing extra parts. In practice this pan gives a direct-fit replacement that many installers report aligns correctly and seals when tightened to spec. The painted/corrosion-resistant surface helps longevity in road salt and wet conditions and the included drain plug simplifies fluid changes. Limitations to note are variability in build quality between units—several buyers reported bent pans or gasket fit issues requiring additional sealing—and Mercedes fasteners are known to be fragile so replacement bolts may be needed during DIY installation. For a performance-focused ML-Class owner this pan offers a sturdier aftermarket option than some thin stamped pans, but careful inspection and correct torque on bolts are important to avoid leaks or broken fasteners.
Best for: Performance-oriented Mercedes ML-Class owners who prioritize stronger, OEM-replacement-style components for transmission cooling and reliability during spirited driving and towing.
Less Ideal for: Buyers who want a guaranteed perfect fit without any inspection or minor modifications, or those unwilling to source replacement fasteners if needed.
- Vehicle-specific fit for compatible Mercedes-Benz models improves alignment during installation
- Cast metal construction with corrosion-resistant finish for improved durability
- Includes gasket and drain plug so you can perform a drain and reinstall without extra parts
- Deeper sump design reported by some users improves fluid capacity and flow to the updated filter
- Inconsistent fitment quality reported by some buyers, occasional bent pans or poor gasket seating
- Does not include replacement pan bolts which some installers recommend buying separately
Verdict: A-Premium's pan is a durable, vehicle-specific replacement that gives ML-Class owners a sturdier aftermarket option but inspect for fit and be prepared to replace fragile pan bolts if doing the job yourself.
3. AxleyHub Transmission Oil Pan Kit with Drain Plug, Gasket and Filter for Mercedes-Benz (2222700512)
| Brand | AxleyHub |
|---|---|
| Manufacturer | AxleyHub |
| Included Components | Pan, gasket set, filter, drain plug |
| Model fitment note | Replaces part number 2222700512 |
This AxleyHub transmission oil pan kit replaces the factory pan and related sealing components on compatible Mercedes-Benz ML-Class models and several other Mercedes variants. It is supplied as a kit with the pan, drain plug, gasket set, and transmission filter so you can replace the entire sump and service the filter during the same job. In practice it is used when repairing leaks, servicing the transmission, or replacing a damaged pan after road damage. The kit lists fitment for a wide range of 2012–2017 Mercedes models and references the factory part number for fitting clarity. Practical benefits include a complete parts set for one-stop replacement and a included drain plug to simplify fluid changes. Important limitations are that the listing does not include an installation guide and professional installation is recommended to ensure correct fit and sealing; buyers must verify exact vehicle compatibility before ordering.
Best for: Practical optimizers who want a single, cost-conscious replacement kit that lets them repair transmission leaks and service the pan and filter in one job.
Less Ideal for: Buyers who expect step-by-step DIY instructions or need warranty-backed dealership parts should consider alternatives or professional-sourced replacements.
- Complete kit includes pan, drain plug, gasket set, and transmission filter for a single-stop replacement.
- Lists factory reference part numbers to help confirm fitment to Mercedes-Benz models.
- Covers a broad range of Mercedes model years commonly needing pan/service replacement.
- Includes a drain plug which simplifies fluid draining and refilling during installation.
- No installation instructions are provided so professional installation is recommended.
- Fitment requires verification against specific vehicle VIN or part number before purchase.
Verdict: A budget-friendly, all-in-one transmission oil pan kit that supplies the pan, gasket, drain plug, and filter for Mercedes-Benz models using part 2222700512.
4. Bomunik Transmission Oil Pan Set (8‑Piece) for Mercedes‑Benz — Replace 2222700512
| Brand Name | Bomunik |
|---|---|
| Part Number | 2222700512TZ2 |
| Material Type | Rubber |
| Item Shape | 8 Piece Set |
This Bomunik 8-piece transmission oil pan set is a budget-focused replacement kit for Mercedes-Benz applications that include the C, E, S, SL and several SUV lines. The kit bundles pans and rubber sealing components meant to match the factory mounting points so you can remove the old pan, replace the filter, fit the new pan, and reinstall using a standard criss-cross torque pattern. Buyers can expect an easy DIY swap or a quick shop install since the kit is marketed for fitment clarity and straightforward installation. Reviews note a solid fit and acceptable material thickness for the price, so it is practical for routine service or repairing a leaking pan without investing in an expensive OEM part. Limitations are typical of budget aftermarket parts: long-term durability is less certain than factory parts and material is rubber-specified which suggests some components are not metal, so verify part numbers and inspect mating surfaces during installation.
Best for: Budget-conscious Mercedes-Benz owners who prioritize low-cost, practical replacement parts for routine transmission service and want a kit that supports DIY installation or a quick shop repair.
Less Ideal for: Owners looking for long-term OEM-equivalent metal pans or restorations where factory-spec materials and longevity are the priority should consider higher-end or factory-quality replacements.
- Includes a full 8-piece set to replace multiple transmission pan seals and related parts in one purchase
- Designed for direct-fit replacement on many Mercedes-Benz models listed, simplifying DIY installation
- Multiple customer reviews report good fit and adequate material thickness for the price
- Low-cost option that lets owners address leaks or damaged pans without buying expensive factory parts
- Some components appear to use rubber rather than metal, which may reduce long-term durability compared with factory pans
- Fitment still requires verifying part numbers and vehicle specifics before purchase
Verdict: A low-cost, fitment-focused 8-piece transmission pan and seal kit that makes replacing a leaking or damaged pan on many Mercedes‑Benz ML‑class and related models affordable and straightforward.
5. A-Premium Transmission Oil Pan with Drain Plug for Mercedes-Benz
| Material Type | Alloy Steel |
|---|---|
| Fit Type | Vehicle Specific |
| Drain Plug Included | Yes |
| Sump Style | Wet |
This A-Premium transmission oil pan is a direct-fit replacement designed to restore the transmission sump on select Mercedes-Benz models. Made from painted alloy steel, it replaces a damaged or rusted factory pan and includes a drain plug for easier fluid changes while leaving gasket and installation hardware for the installer to supply. The pan is vehicle-specific and intended for use during a transmission service or when the original pan is leaking or corroded. Practical benefits include corrosion-resistant surface finish, a conventional 17 mm drain bolt noted by buyers, and compatibility with many ML-Class and related Mercedes models. It does not include a gasket or mounting hardware so plan to replace the filter and gasket during installation and expect a professional or confident DIYer to handle fitting. The steel construction is durable but heavier than aluminum aftermarket pans, which may be a consideration for those seeking lighter components.
Best for: Reliability-focused buyers who prioritize a durable, factory-style replacement part to stop leaks and restore proper transmission serviceability on ML-Class Mercedes-Benz vehicles.
Less Ideal for: Buyers who want a complete bolt-on kit or a lightweight performance-oriented pan should consider alternatives that include gaskets, hardware, or aluminum construction.
- Vehicle-specific fit for many Mercedes-Benz models including ML-Class variants
- Painted alloy steel construction resists corrosion compared with rusted OEM pans
- Includes a drain plug to simplify transmission fluid changes
- Designed to replace a leaking or damaged sump and restore transmission serviceability
- Gasket and installation hardware are not included
- Steel design is heavier than some aftermarket aluminum pans
Verdict: A durable, vehicle-specific steel transmission pan with a drain plug built to replace corroded factory pans and simplify fluid changes.
6. Sawyer Auto Replacement Transmission Oil Pan for Mercedes-Benz ML-Class (direct-fit)
| Brand | Sawyer Auto |
|---|---|
| Manufacturer Part Number | PAT-540419 |
| Fitment Note | Not for vehicles with option code A89 |
| Date First Available | September 22, 2024 |
This Sawyer Auto transmission oil pan is a direct-fit replacement intended for Mercedes-Benz ML-Class models from 2004 through 2020 and installs like the factory unit. It is used when a damaged, corroded, or leaking pan needs replacement to stop fluid loss and enable a clean transmission fluid service. The manufacturer states the pan is made with modern tooling and more durable materials than older factory units, and the design is road-tested and inspected for fit and reliability. Practical benefits include restoring proper sealing to prevent leaks, providing a trouble-free swap during a fluid change, and avoiding the need to source a used factory pan. Limitations are that fitment excludes vehicles with option code A89 and the listing does not include a gasket or hardware, so you may need to buy those separately; there is also no vehicle-specific installation guidance in the listing. For a convenience-focused buyer wanting a ready replacement that matches factory fit, this pan simplifies the repair and reduces downtime.
Best for: Convenience-driven owners who prioritize a straightforward, factory-style replacement to quickly fix transmission pan leaks and complete a fluid service with minimal troubleshooting.
Less Ideal for: Owners seeking a complete service kit or those with the A89 option should look for a different part or a kit that includes gasket and hardware.
- Direct-fit design for straightforward installation on specified Mercedes-Benz ML-Class models
- Manufactured with modern tooling and claimed improved materials for better durability than older units
- Road-tested and inspected for quality to reduce the risk of early failure
- Not compatible with vehicles that have option code A89
- Gasket and mounting hardware are not included in the listing
Verdict: A direct-fit, road-tested replacement transmission pan that simplifies repairing leaks on 2004–2020 Mercedes-Benz ML-Class models.
7. Bomunik Transmission Oil Pan and Gasket Kit (9-Piece Set) for Mercedes-Benz
| Brand Name | Bomunik |
|---|---|
| Part Number | 2222700512TZ2 |
| Material Type | Rubber |
| Item Shape | 9 Piece Set a |
This Bomunik 9-piece transmission oil pan and gasket kit provides a complete replacement set intended for select Mercedes-Benz transmission service and repair. The kit includes the pan gasket components and related seals so you can remove the old pan, replace sealing surfaces, and reinstall without sourcing separate parts. It is typically used during transmission fluid changes or when fixing a leaking pan flange. Review content and fitment notes indicate straightforward fit for common Mercedes models and users report leak-free installation when the correct interchange number is matched. The rubber material and multiple included pieces make it practical for DIY mechanics and independent shops who want a single kit to complete the job. Limitations are that fitment must be confirmed against the vehicle part number before purchase and the listing does not include transmission fluid or detailed torque specs, so installers should follow factory service information for fastener sequence and torque values.
Best for: Risk-averse, mainstream buyers who prioritize getting a full, replacement kit that matches factory part references and reduces the chance of missing pieces during a transmission service.
Less Ideal for: Users who need official dealer parts or prefer branded OEM-sourced components for warranty-covered repairs should consider factory-quality alternatives instead.
- Complete 9-piece kit bundles pan gasket and seals for one-stop replacement
- Rubber sealing components designed for a snug fit to reduce leak risk
- Reported to fit common Mercedes-Benz ML-Class examples when correct interchange numbers are used
- Fitment requires confirming interchange or part number prior to installation
- Does not include transmission fluid or installation torque/spec guidance
Verdict: A convenient, budget-oriented 9-piece transmission pan and gasket kit that supplies the seals needed to complete a Mercedes-Benz transmission pan replacement.
Choosing the Right Mercedes-Benz ML-Class Transmission Pan: Key Factors to Consider
Material and Construction
The pan material affects durability, corrosion resistance, and heat dissipation. Steel pans are common and can be strong, but they may be more prone to rust over time unless properly treated. Aluminum pans resist corrosion and often dissipate heat more effectively, which can help transmission fluid run cooler under load.
Weld quality, flange flatness, and overall stiffness influence how well the pan holds a gasket and resists warping. A well-constructed pan will maintain a consistent sealing surface and stand up to repeated service without deforming.
Gasket and Sealing Design
A good gasket design is essential to prevent transmission pan leaks, especially on ML-Class vehicles with tight tolerances. Options include molded rubber, cork-style, or integrated molded seals. The gasket should compress evenly and resist oil soak and shrinkage over time.
Also consider whether the pan uses a separate gasket or an integrated seal and whether it provides access to clean sealing surfaces for reinstallation. Proper sealing design reduces the likelihood of post-installation leaks and makes future servicing less messy.
Drain Plug and Serviceability
A drain plug simplifies transmission fluid changes by allowing most fluid to be drained without removing the entire pan. Pans with a well-located, threaded drain plug make routine maintenance faster and cleaner and reduce the chance of spilling fluid during service.
Check the drain plug's thread quality and sealing method. A captive plug or magnetic drain plug can be advantageous for retaining metal particulates and preventing accidental loss of the plug during service.
Fitment and Sensor Accommodation
Correct bolt pattern, depth, and clearances are critical to ensure the pan mates properly to the transmission housing on an ML-Class. Some pans must accommodate factory sensors or pickup tube positions; a mismatch can prevent proper installation or lead to sensor damage.
Verify that the pan provides cutouts or bosses for any required sensors and that it preserves factory pickup tube geometry. Accurate fitment reduces installation time and the risk of leaks or interference with moving parts.
Heat Dissipation and Fluid Capacity
Pans with greater surface area or finning can aid heat dissipation, which helps maintain optimal transmission fluid temperature during heavy use. Cooler fluid can contribute to longer fluid and component life in demanding conditions.
Some pans increase fluid capacity slightly, which can also help with thermal stability. Consider how much additional capacity is offered and whether the pan's geometry affects vehicle ground clearance or susceptibility to road debris.
Hardware and Installation Ease
Included hardware such as bolts, washers, and a straightforward torque guide can make installation easier and more reliable. Clear bolt hole alignment and consistent thread engagement reduce the risk of stripped threads or uneven clamping that could cause leaks.
Availability of torque specifications and whether the pan requires specific sealants or threadlocker affects installation complexity. Favor pans that come with the necessary hardware or clearly documented installation instructions to avoid extra trips to the parts store.
How We Chose the Best Mercedes-Benz ML-Class Transmission Pan
We focused on attributes that directly affect fitment, longevity, and serviceability for Mercedes-Benz ML-Class vehicles. Key evaluation criteria included material and construction to assess corrosion resistance and durability, gasket and sealing design to reduce leak likelihood, presence and quality of a drain plug for easier fluid changes, and compatibility with factory sensors and pan bolt patterns to ensure straightforward installation. We also considered finish and internal baffling that can influence fluid cooling and particulate settling.We excluded pans that lacked clear fitment information for the ML-Class, pans without proper sensor accommodations, and items with unclear material specifications. Our shortlist reflects products that meet minimum standards for mechanical fit, maintainability, and reliable sealing, while offering features that make routine transmission maintenance more practical.
Our full evaluation process is outlined in our review methodology.
FAQ
How often should I check the transmission pan for leaks on an ML-Class?
You should inspect the pan during regular maintenance intervals or whenever you notice fluid spots under the vehicle. Checking the pan and gasket area during oil changes or fluid inspections often catches small leaks before they worsen.
Can I reuse the original gasket when replacing the transmission pan?
Reusing the original gasket is possible in some cases, but it often depends on the gasket type and its condition. Molded or compressed gaskets can lose shape and sealing ability, so replacing the gasket is usually recommended for a reliable seal.
Do aftermarket pans affect transmission cooling on the ML-Class?
Aftermarket pans with larger surface area or fins can help dissipate heat more effectively than a plain stock pan. The actual benefit varies by design and driving conditions, so consider whether improved cooling is a priority for your typical use.
Is a drain plug necessary on a transmission pan?
A drain plug is not strictly necessary, but it makes routine fluid changes much easier and cleaner. Without a drain plug you must remove the pan to drain fluid, which increases service time and the potential for spills.
How important are torque specs when installing a transmission pan?
Correct torque on pan bolts helps ensure an even seal and reduces the risk of leaks or warped flanges. Using manufacturer-recommended torque values or a reliable guide helps prevent over-tightening and damaged threads.
Conclusion
When choosing a transmission pan for a Mercedes-Benz ML-Class, prioritize correct fitment and sealing features first, then consider materials and service-friendly additions like a drain plug. Balance the desire for better cooling or increased capacity with the need to preserve proper clearances and sensor accommodations.Careful attention to gasket type, bolt torque, and overall construction will minimize the chance of leaks and make future maintenance easier. Use the factors above to weigh tradeoffs and select the option that aligns with how you drive and service your vehicle.
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