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A worn or failing engine mount can let the powertrain move excessively, increase vibration, and cause unusual noises when accelerating or shifting. Choosing the right Mercedes-Benz GLC engine mount matters because the wrong type or poor-quality unit can make those symptoms worse or shorten service intervals. This guide highlights the top shortlisted options for the GLC and explains the criteria used to evaluate durability, vibration isolation, and fitment reliability. Read on for the key factors we considered before the product list.
Looking for other parts? See all Mercedes-Benz GLC parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | JAVOUKA Engine and Transmission Mount Kit for Mercedes-Benz (2042400917 / 2122400418) |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Engine and Transmission Mount Set for Mercedes-Benz (3pcs) |  |
| Best Budget The cheapest option that still gets the job done reliably | loongrie Engine and Transmission Mount Kit for Mercedes‑Benz 2.0L (CLA/GLA/B250) |  |
| Most Sold A high-volume bestseller chosen again and again | ApplianPar Engine Motor Mount for Mercedes-Benz C300 and E300 (Left or Right) |  |
| Best Overall The best all-around choice for most situations | Bomunik Front Left & Right Engine Mounts for Mercedes-Benz C/GLC (2015–2020) |  |
1. JAVOUKA Engine and Transmission Mount Kit for Mercedes-Benz (2042400917 / 2122400418)
| Compatible Part Numbers | 2042400917, 2122400418, A2042400917 |
|---|---|
| Included Components | Front left hydraulic mount, front right hydraulic mount, transmission mount |
| Unit Count | 3.0 Count |
This JAVOUKA kit replaces the front left, front right hydraulic engine mounts and the transmission mount for Mercedes-Benz models that use part numbers listed. It is intended as a direct-fit replacement that restores proper engine support and reduces vibration transmitted to the chassis. Typical use is a full mount refresh during repair or when worn mounts cause excess shake, noise, or driveline lash. The listing states factory-spec design and uses stamped steel and rubber components to deliver a quieter ride similar to the original. Buyers report generally good fit and noticeably reduced vibration after installation, though one installer needed a longer bolt on a thicker aftermarket bracket. The kit comes as three components and is straightforward for a shop to fit, but professional installation is recommended because no instructions are included. Expect a cost-saving alternative to dealership parts with solid short-term performance, while long-term durability will depend on installation and driving conditions.
Best for: A reliability-focused buyer who prioritizes restoring factory-like engine support on Mercedes-Benz models and wants a value-oriented replacement without paying dealer prices.
Less Ideal for: Buyers seeking warranty-backed dealer parts or those who prefer fully documented, bolt-for-bolt OEM replacements should consider factory-sourced mounts instead.
- Sold as a matched three-piece kit to address both engine and transmission mounting points
- Designed to match the listed Mercedes-Benz part numbers for straightforward replacement
- Claims factory-spec design with steel and rubber construction to reduce vibration
- Multiple customer reports of improved ride smoothness after installation
- Does not include installation instructions so installer experience is necessary
- Some units may require a longer fastener due to thicker aftermarket brackets
Verdict A cost-effective, three-piece replacement kit that restores engine stability for Mercedes-Benz models using the listed part numbers, but requires competent installation.
2. A-Premium Engine and Transmission Mount Set for Mercedes-Benz (3pcs)
| Vehicle fitment | Selected Mercedes-Benz V6 RWD automatic models (see fitment) |
|---|---|
| Set contents | Front left motor mount, front right motor mount, transmission mount |
| Material type | Alloy Steel, Aluminum, Rubber |
This A-Premium kit supplies two front motor mounts and one transmission mount intended as a direct-fit replacement for specified Mercedes-Benz V6 RWD automatic models. It is used to stabilize the engine, absorb driveline vibration, and cut down noise transmitted into the cabin, restoring a smoother driving feel after worn mounts cause harshness or gear‑shift feedback. The set is built from alloy steel, aluminum and rubber with powder-coated surfaces, and arrives as a three-piece package that installs in the same locations as the factory units. Buyers report noticeably quieter operation and reduced vibration at speed, and the included one-year unlimited-mileage guarantee covers the part cost. Limitations to consider are that longevity versus OEM depends on installation and driving conditions, and the kit does not include labeling for left/right which can add time during installation for less experienced installers. For performance-focused owners seeking to remove engine movement and recover throttle and shift crispness, this kit offers a practical, vehicle-specific replacement without the price of dealer parts.
Best for: Drivers focused on performance who want to restore firm engine positioning and reduce vibration to improve shift feel and vehicle responsiveness.
Less Ideal for: Buyers seeking an exact factory-sourced part or extended OEM-level longevity should consider dealer-sourced replacements or upgraded performance mounts instead.
- Direct three-piece replacement designed for specified Mercedes-Benz V6 RWD automatic models.
- Materials and powder-coated finish aimed at corrosion resistance and durability.
- Reduces engine vibration and cabin noise to restore a smoother driving experience.
- Includes front left, front right and transmission mounts so all primary mount points are addressed at once.
- Left/right parts are not clearly labeled which can complicate installation sequencing.
- Durability may vary compared with factory-quality mounts depending on driving style and environment.
Verdict A practical, vehicle-specific three-piece mount kit that restores stability and reduces vibration for performance-minded Mercedes-Benz owners who want a cost-effective alternative to dealer parts.
3. loongrie Engine and Transmission Mount Kit for Mercedes‑Benz 2.0L (CLA/GLA/B250)
| Compatible Engines | 2.0L L4 |
|---|---|
| Included Components | Mount kit (bag) |
| Material Type | Alloy Steel |
This loongrie mount kit replaces worn engine and transmission mounts on compatible Mercedes‑Benz 2.0L models to restore factory‑style support and reduce noise, vibration, and harshness. It is supplied as a set intended for the engine bay and transaxle mounting points and is typically used during a mount replacement or when repairing vibration and drivetrain movement. The listing highlights alloy steel construction and powder coated finish, which suggest corrosion resistance and durable hardware for road use. Buyers benefit from factory‑style fitment references and included components that simplify swap‑outs when following vehicle part lookup. Limitations to consider are that the listing relies on part numbers and a partfinder check for exact fitment and the kit may require basic shop tools or professional installation to align mounts correctly. There is no broad fitment guarantee beyond the stated Mercedes models, so confirm compatibility before installation to avoid returns or fit issues.
Best for: Budget‑conscious Mercedes owners seeking a cost effective, factory‑style replacement to reduce vibration and restore drivetrain stability on their 2.0L vehicle.
Less Ideal for: Owners who prioritize OEM branded parts with manufacturer-backed service plans or who prefer to have dealer installation and certification should consider alternatives.
- Made from alloy steel with a powder coated finish for corrosion resistance and longevity
- Sold as a complete engine and transmission mount kit to address multiple mounting points at once
- Includes part number references for direct fitment checks on specified Mercedes‑Benz 2.0L models
- Fitment is limited to the listed Mercedes models and requires verification with a parts lookup before purchase
- Installation may require workshop tools or professional alignment for correct engine positioning
Verdict A cost‑focused, full mount kit that restores engine stability on specified Mercedes 2.0L models if you verify fitment and plan for proper installation.
4. ApplianPar Engine Motor Mount for Mercedes-Benz C300 and E300 (Left or Right)
| Brand Name | ApplianPar |
|---|---|
| Mounting Type | Rubber Mount |
| Fitment | Mercedes-Benz C300 2.0L 2015-2018 AWD; E300 2.0L 2017 AWD |
This ApplianPar engine motor mount replaces factory-style rubber mounts used on specified Mercedes-Benz models and is sold as a single left-or-right side unit. It installs in the engine bay to isolate vibration and support the powertrain, restoring quieter operation and reducing driveline movement after a worn mount is removed. The listing highlights compatibility with Mercedes-Benz C300 2.0L 2015–2018 AWD and E300 2.0L 2017 AWD and notes the mount replaces several OEM part numbers, which helps with parts-matching. As a rubber mount, it provides familiar compliance that cushions engine vibration but will age faster than heavy-duty or hydraulic aftermarket options. Buyers should expect a straightforward swap when the factory mount is accessible, but professional installation is recommended if lift access or engine support is required. If you want a simple factory-style replacement to regain OEM-like NVH and alignment, this mount delivers, but it is not aimed at performance-driven or heavy-duty use cases.
Best for: A risk-averse mainstream buyer who prioritizes restoring factory ride quality and quiet operation with a direct-fit, parts-matched replacement for routine maintenance.
Less Ideal for: Drivers seeking a performance-oriented, heavy-duty, or long-life aftermarket mount should consider specialty alternatives designed for higher load or reduced compliance.
- Direct replacement for specified Mercedes-Benz C300 and E300 models, matching several OEM part numbers
- Rubber construction restores factory-style vibration isolation for improved cabin comfort
- Sold as a single unit for targeted repairs rather than a full set
- Rubber design is subject to normal wear and will need replacement sooner than performance or hydraulic mounts
- Only one mount included so additional mounts must be purchased separately if more are worn
- Compatibility is limited to the listed Mercedes-Benz model years and AWD variants only
Verdict A straightforward, factory-style rubber replacement mount for specific Mercedes-Benz C300 and E300 AWD models that restores OEM-like vibration control but is not a performance upgrade.
5. Bomunik Front Left & Right Engine Mounts for Mercedes-Benz C/GLC (2015–2020)
| Material Type | Alloy Steel, Aluminum |
|---|---|
| Mounting Type | Engine Mount |
| Set Name | 2 items |
| Manufacturer | Bomunik |
These Bomunik front engine mounts come as a two‑piece set intended to replace worn factory mounts on compatible Mercedes‑Benz C‑class and GLC 4Matic models. They mount in the front left and right positions and are offered as direct replacement parts for matching reference numbers, so installation is the typical DIY or shop job that restores engine stability and reduces shake during startup, idling, and cornering. The listing notes alloy steel and aluminum construction with a powder coated finish, which suggests good corrosion resistance and a solid mounting surface. Buyers report smooth, near‑factory feel after installation, and the pair format covers both sides at once. Limitations to consider are mixed user experiences on longevity and the need to confirm exact part references before ordering because fitment is specific; this is not a universal part. Expect some vehicles to require professional installation for torque and alignment accuracy. For a balanced buyer wanting a practical, fitment‑focused replacement for Mercedes GLC models, this set aims to restore comfort without major modification.
Best for: Balanced buyers who prioritize a practical, near‑factory replacement that restores ride comfort and reduces engine vibration on Mercedes GLC and similar C‑class 4Matic models.
Less Ideal for: People seeking an upgraded performance mount or a long‑term high‑mileage warranty solution should look at reinforced or OEM dealer options instead.
- Sold as a matched pair covering both front left and right mounts
- Constructed from alloy steel and aluminum for strength and corrosion resistance
- Powder coated finish improves surface durability
- Designed to match specific Mercedes part references for straightforward fitment
- Multiple buyers report near‑factory smoothness after installation
- Some reviewers reported premature wear on a small number of units
- Fitment depends on confirming exact part numbers so incorrect ordering is possible
Verdict A practical, fitment‑focused pair of front engine mounts that can restore factory‑like smoothness on compatible Mercedes C‑class and GLC 4Matic models when the correct part references are confirmed.
Choosing the Right Mercedes-Benz GLC Engine Mount: Key Factors to Consider
Fitment and Compatibility
Correct fitment matters because engine mounts must align with specific mounting points and engine orientations on the Mercedes-Benz GLC. A mount with precise compatibility reduces the need for adapter plates or modification and ensures engine loads are transferred as designed.
Incorrect fitment can lead to accelerated wear, fastener strain, or unexpected vibration. Verify vehicle year, engine code, and mounting location to match the mount to your specific GLC variant before purchasing or installing.
Vibration Isolation and NVH Performance
How well a mount isolates vibration directly affects cabin comfort and perceived refinement. Good isolation reduces high-frequency buzz and low-frequency shaking during acceleration, idle, and gear changes.
Consider mounts that balance stiffness and damping so they control engine movement without transmitting harsh impulses into the chassis. Look for descriptions of damping characteristics or design features that target NVH reduction.
Material Durability and Resistance
Engine mounts are exposed to oil, road salt, heat, and mechanical stress. Materials that resist oil swelling, heat degradation, and ozone attack will last longer and maintain their properties.
Rubber compounds, bonded interfaces, or hydraulic elements should be specified with durability expectations. Longer-lasting materials reduce the chance of premature cracking, separation, or fluid loss in hydraulic mounts.
Load Capacity and Mounting Stiffness
A mount must support the engine's weight and torque reactions without excessive deflection. Load capacity and stiffness determine how much movement occurs under acceleration or during engine torque pulses.
Too soft a mount allows excessive engine movement, affecting driveline alignment and causing clunks. Too stiff a mount can transmit shocks into the chassis and increase noise. Choose a mount with an appropriate stiffness profile for everyday driving and any intended vehicle loads.
Serviceability and Installation
Installation complexity affects labor time and the chance of improper installation. Mounts that preserve original fastener patterns and require minimal disassembly simplify service.
Consider whether special tools, engine support, or alignment procedures are needed. Service-friendly designs save shop time and reduce the risk of installation errors that could affect mount performance.
Warranty and Manufacturer Support
A clear warranty indicates confidence in manufacturing and provides protection against premature failure. Warranty terms often reflect expected lifespan and build quality.
Check what is covered and for how long, including labor reimbursement or replacement policies. Manufacturer support and documented installation instructions also help ensure correct long-term use.
FAQ
What are common symptoms of a failing engine mount on a Mercedes-Benz GLC?
Common signs often include increased vibration at idle, noticeable movement or clunking during acceleration or gear changes, and new or worsening engine-related noises. Symptoms vary with which mount is affected and the engine load, so inspection under different driving conditions is useful.
Can I replace a Mercedes-Benz GLC engine mount myself?
Replacing a mount can be a DIY project if you have basic mechanical skills, the correct tools, and a clear service manual for your GLC. It typically requires supporting the engine, removing fasteners, and aligning the replacement. If you lack tools or experience, professional installation reduces the risk of alignment or torque errors.
How long do engine mounts usually last on a vehicle like the GLC?
Mount lifespan usually depends on driving conditions, exposure to oil or heat, and load cycles. Many mounts last several years under normal conditions, but frequent short trips, aggressive driving, or fluid exposure can shorten life. Regular inspections help catch deterioration early.
Will a stiffer mount improve handling on the GLC?
A stiffer mount can reduce engine movement and may marginally sharpen throttle response, but it often transmits more vibration and noise to the cabin. For daily-driven GLC models, a balanced mount that controls movement while maintaining NVH comfort is usually the better choice.
Are there signs that indicate immediate replacement is required?
Visible separation, cracked or missing rubber, leaking hydraulic fluid, or large engine shifts during startup are indicators that replacement should not be delayed. Any condition that compromises secure engine support or creates safety concerns warrants prompt attention.
How We Chose the Best Mercedes-Benz GLC Engine Mount
We narrowed candidates using criteria that reflect real-world use on the Mercedes-Benz GLC. Primary filters included precise fitment to GLC chassis and engine variants, vibration isolation performance under load, and long-term material durability against oil and heat exposure. We also evaluated mounting point integrity, the quality of bushings or hydraulic elements, and ease of installation for typical garage or mechanic work. We excluded items that lacked clear fitment data for the GLC or that used unverified materials or manufacturing processes. Units intended only for racing or modified engines were not considered. The final list emphasizes components that balance longevity, NVH reduction, and serviceability for everyday driving on the GLC platform.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a Mercedes-Benz GLC engine mount, prioritize correct fitment, effective vibration isolation, and materials that withstand oil and heat. Balance stiffness and damping to control engine movement without introducing excess noise into the cabin. Also consider installation complexity and warranty terms as part of the overall value equation. Focusing on those factors helps you select a durable mount that maintains refinement and driveline alignment on the GLC.
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