6 Best Wheel Spacers for Mercedes-Benz ML-Class: Improve Track Width and Clearance

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

Note: This article contains affiliate links. If you click on these links and make a purchase, I may earn a small commission at no extra cost to you. This helps support my research and content. Read my full affiliate disclosure here.

Upgrading to wheel spacers can change how your Mercedes-Benz ML-Class handles, looks, and clears suspension or brake components. You want spacers that provide the desired offset without compromising hub engagement, wheel bearing life, or safety. This guide presents our shortlist of top-performing options for ML-Class cars, focusing on fitment, durability, and installation practicality.We evaluated each candidate for compatibility, construction quality, and how it affects alignment and load distribution. Read on to understand the selection criteria before the product list.

Top Picks at a Glance

KSP Performance 5x112mm 12mm Hubcentric Wheel Spacers (66.56mm), 2pcKSP Performance 5x112mm 12mm Hubcentric Wheel Spacers (66.56mm) 2pc
Best Value
The sweet spot between price and what you get
YHTAUTO 20mm 5×112 Hub-Centric Wheel Spacers for Mercedes-Benz (4pcs)YHTAUTO 20mm 5x112 Hub-Centric Wheel Spacers for Mercedes-Benz (4pcs)
Best budget
The cheapest option that still gets the job done reliably
BRTEC 15mm 5x112mm Hub-Centric Wheel Spacers (4-piece)BRTEC 15mm 5x112mm Hub-Centric Wheel Spacers (4-piece)
Highest Rated
A top-rated pick with lots of positive feedback
PHILTOP 5×112 Wheel Spacers — 15mm & 20mm, 66.6mm Center Bore (4pcs)PHILTOP 5x112 Wheel Spacers — 15mm & 20mm 66.6mm Center Bore (4pcs)
Most Popular
A crowd favorite that many people choose with confidence
KSP PERFORMANCE 5×112 Hubcentric Wheel Spacers 12mm for Mercedes-Benz (pair)KSP PERFORMANCE 5x112 Hubcentric Wheel Spacers 12mm for Mercedes-Benz (pair)
Best Seller
A high-volume bestseller chosen again and again
BLOXSPORT 5×112 Hub-Centric Wheel Spacers 45mm (Set of 2) with M14x1.5 BoltsBLOXSPORT 5x112 Hub-Centric Wheel Spacers 45mm (Set of 2) with M14x1.5 Bolts

1. KSP Performance 5x112mm 12mm Hubcentric Wheel Spacers (66.56mm), 2pc

KSP Performance 5x112mm 12mm Hubcentric Wheel Spacers (66.56mm) 2pc
Best Overall
Forged 12mm hubcentric wheel spacers designed for 5x112mm hubs with a 66.56mm bore to widen stance and improve wheel fitment.
Bolt pattern5x112mm
Hub bore66.56mm
Thickness12mm
MaterialForged 6061-T6 Aluminum
Quantity2 PCS

These KSP Performance wheel spacers are forged from 6061-T6 aluminum, CNC machined to a 66.56mm hubcentric bore and finished in anodized black to combine strength with a clean look. They install between the wheel and hub on 5x112mm Mercedes-Benz wheels to move the wheel out 12mm, which helps with clearance for aftermarket wheels, improves stance, and can allow for dynamic center caps. The spacers ship as a pair and include thread locker to help fasten studs or bolts during installation. In real-world use they are lightweight yet rigid and reviewers report no vibration when installed correctly; careful hub and rotor measurements are still required because fit can vary by vehicle and wheel design. These are vehicle-specific spacers intended for bolt-on fitment and the manufacturer warns against using an impact gun during installation. Note that the listing is for two pieces only and you may need to purchase matched sets for all four corners depending on your car and goals.

Best for: Balanced all-round Mercedes owners who want a modest, factory-quality stance and clearance improvement without radical modifications, prioritizing fitment and everyday drivability.

Less Ideal for: Buyers seeking large offset changes, full-width wheel conversions, or heavy-duty towing setups should consider thicker spacers or hub-centric adapters designed for those specific demands.

Pros:
  • Forged 6061-T6 aluminum construction for strength with reduced weight compared with steel spacers.
  • CNC machined hubcentric 66.56mm bore to minimize runout and reduce vibration risk when matched to hub.
  • Anodized black finish and open-end design improve corrosion resistance and make installation easier.
  • Includes thread locker to aid secure fastening during installation.
Cons:
  • Sold as a two-piece set so you may need to buy additional sets to outfit an entire vehicle.
  • Fitment can be sensitive to rotor/hub protrusion and aftermarket wheel backspacing so verification is required before purchase.

Verdict: A forged, hubcentric 12mm spacer built for 5x112mm Mercedes hubs that improves stance and wheel fitment with minimal risk of vibration when installed correctly.

2. YHTAUTO 20mm 5×112 Hub-Centric Wheel Spacers for Mercedes-Benz (4pcs)

YHTAUTO 20mm 5x112 Hub-Centric Wheel Spacers for Mercedes-Benz (4pcs)
Best Value
Wheel spacers that push Mercedes 5-lug wheels outward by 20mm and mount with M12x1.5 studs to provide a wider track and improved clearance.
Bolt pattern5x112mm
Hub bore66.6mm
Thickness20mm
Stud sizeM12x1.5
Stud grade10.9

These YHTAUTO spacers are a bolt-on option designed to widen the track on Mercedes vehicles with a 5x112mm bolt pattern and a 66.6mm hub bore. They install between the hub and wheel using the included M12x1.5 studs and lug nuts, moving the wheel out by 20mm to improve fender clearance and create a more aggressive stance. The parts are hub-centric with a machined lip so the load is transferred to the hub rather than the studs, and the package includes high-strength grade 10.9 studs plus thread-locking for secure fastening. In practice the spacers make it easier to fit wider tires or aftermarket wheels and can slightly change handling responsiveness by widening the track. Fitment exactness is important here; several customers reported issues with lip clearance and lug nut sizing, so verifying hub bore and lug dimensions before installation is crucial. Recommended torque is 70 to 80 ft-lbs and periodic recheck of fastener tightness is advised. The product presents a budget-friendly way to widen a Mercedes track but requires careful measurement and correct lug hardware to avoid fit problems.

Best for: Practical optimizers who want an affordable, bolt-on way to widen a Mercedes ML-Class track for better clearance, fitment, or appearance while prioritizing cost-effective upgrades and straightforward installs.

Less Ideal for: Buyers who want a guaranteed, exact fit without measuring or swapping hardware or those seeking precision-engineered premium spacers with verified fitment for every ML variant.

Pros:
  • Hub-centric lip centers the spacer on the hub for more secure load transfer
  • Includes M12x1.5 grade 10.9 studs and lug nuts, plus thread-locking for a complete kit
  • 20mm thickness provides noticeable track width increase for improved clearance and stance
  • Machined construction and recommended torque specified for proper installation
Cons:
  • Some users reported the hub-lip or grease cap clearance did not match exactly on certain Mercedes models
  • Provided lug nuts may be undersized for some Mercedes applications requiring different socket sizes
  • Fitment can be sensitive to small measurement variances, so adapters or different hardware may be needed

Verdict: A cost-conscious hub-centric spacer kit that widens Mercedes track by 20mm, but requires careful fitment checks and possibly different lug hardware for perfect installation.

3. BRTEC 15mm 5x112mm Hub-Centric Wheel Spacers (4-piece)

BRTEC 15mm 5x112mm Hub-Centric Wheel Spacers (4-piece)
Best budget
A 15mm hub-centric wheel spacer set in 5x112mm bolt pattern designed to push wheels outward for improved clearance and stance.
Bolt pattern5x112mm
Thickness15mm
Hub bore66.56mm
Quantity4 Pcs

These BRTEC 15mm wheel spacers are a basic hub-centric solution for vehicles that use a 5x112mm bolt pattern. Sold as a four-piece kit, the spacers mount between hub and wheel to provide extra clearance for wider tires or brake upgrades and to correct minor offset needs. They are machined from 6061-T6 aluminum and feature a black anodized finish with heat-treated studs, which keeps weight low while improving corrosion resistance compared with bare aluminum. In everyday use they let you clear rubbing issues, gain a slightly wider track for improved stability, and improve wheel fit visually without major suspension changes. Important limitations are the thin 15mm offset, which only provides a modest stance change, and the product listing includes many vehicle fit examples but you must confirm hub bore and stud pattern match your ML-Class before installation. Installation requires proper torqueing and checking wheel alignment and wheel-torque retention after the first miles. For a budget-focused spacer intended for occasional clearance or cosmetic tweaks, this kit does the job; do not expect heavy-duty load capacity or large offset performance from a thin aluminum spacer.

Best for: Budget-conscious buyers who want an affordable, simple spacer to fix minor clearance problems or improve wheel stance on a Mercedes-Benz ML-Class without modifying suspension.

Less Ideal for: Drivers seeking large offsets, heavy-duty towing or track use should consider thicker, forged steel spacers or professional wheel fitment services instead.

Pros:
  • Hub-centric design for better centering and reduced vibration risk.
  • 6061-T6 aluminum construction keeps weight low while offering corrosion-resistant anodized finish.
  • Heat-treated studs increase clamping strength compared with untreated hardware.
  • 15mm thickness provides modest additional clearance for wider tires or minor brake fitment issues.
Cons:
  • 15mm thickness gives only a small offset change and is not suitable for large clearance needs.
  • Aluminum spacers are lighter duty than multi-piece forged steel options for heavy use or aggressive offsets.

Verdict: A cost-effective, hub-centric 15mm spacer that solves minor clearance and cosmetic needs on a Mercedes ML-Class but is not meant for heavy-duty or large-offset applications.

4. PHILTOP 5×112 Wheel Spacers — 15mm & 20mm, 66.6mm Center Bore (4pcs)

PHILTOP 5x112 Wheel Spacers — 15mm & 20mm 66.6mm Center Bore (4pcs)
Highest Rated
A set of 5×112 wheel spacers offered in 15mm and 20mm thicknesses with a 66.6mm center bore designed to move wheels outward and resolve fitment or clearance issues.
Bolt pattern5x112mm
Center bore66.6mm
Thickness options15mm and 20mm
Thread pitchM12x1.5

These PHILTOP wheel spacers are a straightforward way to change wheel offset and improve clearance on compatible Mercedes-Benz ML-Class models that use a 5×112 bolt pattern and 66.6mm hub bore. Sold as a four-piece set with preinstalled, heat-treated studs, the spacers come in 15mm and 20mm thickness options so you can pick how far to push the wheels outward. They are CNC machined from 6061-T6 aluminum and anodized to resist corrosion, and the supplier recommends torquing to factory specs and rechecking after initial miles. In practice they simplify resolving brake caliper interference, open up room for wider tires, and give the truck a wider stance for improved cornering stability. Important caveats are making sure the ML-Class year and hub dimensions match exactly, confirming that factory wheel bolts will provide sufficient thread engagement or need longer studs, and following retorque guidance. If fitment is correct, these spacers provide a reliable, low-complexity way to address clearance and stance issues on an ML-Class.

Best for: Reliability-focused owners who prioritize a durable, factory-quality solution to fixed clearance or offset problems and want a conservative, dependable upgrade for their ML-Class.

Less Ideal for: Drivers seeking aggressive stance changes or large tire swaps that exceed modest spacer widths should consider wheel fitment services or different suspension/wheel solutions instead.

Pros:
  • Available in two thicknesses (15mm and 20mm) to fine-tune wheel offset.
  • CNC machined 6061-T6 aluminum construction with anodized finish for corrosion resistance.
  • Preinstalled heat-treated studs reduce installation steps and improve durability.
  • Designed to address caliper clearance and allow wider tires, improving stance and cornering stability.
Cons:
  • Requires confirmation of hub bore and bolt thread engagement before installation.
  • May need longer wheel bolts or modification if vehicle studs are not long enough.

Verdict: A practical, corrosion-resistant wheel spacer set that reliably fixes minor clearance and offset issues on compatible ML-Class models when fitment and bolt engagement are confirmed.

5. KSP PERFORMANCE 5×112 Hubcentric Wheel Spacers 12mm for Mercedes-Benz (pair)

KSP PERFORMANCE 5x112 Hubcentric Wheel Spacers 12mm for Mercedes-Benz (pair)
A pair of 12mm hubcentric 5×112 wheel spacers made from 6061-T6 aluminum and CNC machined for several Mercedes-Benz models to push wheels outward and improve stance and fitment.
Bolt pattern5x112mm
Hub bore66.56mm
Thickness12mm
Quantity2 PCS
Material6061-T6 aluminum

These KSP PERFORMANCE wheel spacers are a simple bolt-on way to move the wheel roughly 12mm outward for improved stance and to resolve minor clearance issues on compatible Mercedes-Benz models. They are CNC machined from 6061-T6 aluminum and black anodized, giving a lightweight but durable part that installs between hub and wheel and uses the factory bolt pattern and a 66.56mm hub bore for hubcentric alignment. Typical use is replacing two rear or four spacers to correct caliper clearance, allow slightly wider tires, or achieve a flush look. The package includes thread locker and the spacers are designed to accept extended studs or nuts when required. Practical benefits include precise fitment from machining, corrosion resistance from anodizing, and no noticeable vibration reported by users when installed correctly. Limitations are that compatibility is specific to listed Mercedes rear/front applications so confirm fitment before buying and some buyers may need different thickness or extended wheel hardware which is not included. Customer service experiences vary in the reviews, so allow time for support if an exact fitment question arises.

Best for: Convenience-driven buyers who want a straightforward, bolt-on way to correct minor fitment or clearance issues and improve wheel stance without extensive modification.

Less Ideal for: Buyers seeking thicker spacers, a full bolt kit, or a universal multi-vehicle solution should look at other options or factory-quality wheel hardware packages.

Pros:
  • CNC machined from 6061-T6 aluminum for accurate, lightweight construction
  • Hubcentric 66.56mm bore promotes centered mounting and reduces vibration risk
  • Black anodized finish improves corrosion resistance and appearance
  • Includes thread locker to secure fastening and simplify installation
Cons:
  • Only sold as the spacer pair with no extended wheel studs or nuts included
  • Fitment is vehicle-specific so buyers must double-check model/year compatibility

Verdict: A precise, lightweight 12mm hubcentric spacer that gives Mercedes-Benz models a cleaner stance and fixes minor clearance issues with a simple bolt-on installation.

6. BLOXSPORT 5×112 Hub-Centric Wheel Spacers 45mm (Set of 2) with M14x1.5 Bolts

BLOXSPORT 5x112 Hub-Centric Wheel Spacers 45mm (Set of 2) with M14x1.5 Bolts
Best Seller
Set of two 45mm hub-centric wheel spacers made from forged 6061-T6 aluminum with supplied M14x1.5 bolts designed to move wheels outward for improved track width and clearance.
Wheel Bolt Pattern5×112
Center Bore66.5mm
Lug ThreadM14x1.5
MaterialForged Aluminum 6061-T6

These BLOXSPORT wheel spacers are a pair of 45mm, hub-centric adapters forged from 6061-T6 aluminum and supplied with M14x1.5 bolts to push the wheels outward on compatible Mercedes-Benz ML-Class models. They are typically installed between the hub and wheel to increase track width, create extra clearance for wider tires or suspension work, and give a more aggressive stance while maintaining wheel balance because of the hub-centric design. Notable features include forged construction, hard anodized finish for corrosion resistance, and heat-treated alloy bolts tested to fatigue standards. In practice they will simplify fitting wider tires or correcting offset without modifying suspension, and the included bolts make installation straightforward for a competent DIYer or professional installer. Limitations are the need to confirm exact fitment (center bore and lug thread must match) and that 45mm thickness may require attention to fender clearance and alignment after fitting. These spacers are a practical fix for spacing and clearance but require correct selection and proper torqueing during installation.

Best for: Risk-averse mainstream buyers who prioritize a reliable, engineered factory-quality solution to gain clearance or a wider track on a Mercedes-Benz ML-Class without extensive modification.

Less Ideal for: Owners seeking a minimal offset change or cosmetic-only tweaks should consider thinner spacers or other wheel options instead.

Pros:
  • Forged 6061-T6 construction for high strength and fatigue resistance
  • Hub-centric design aimed at preserving wheel balance
  • Hard anodized finish for added corrosion protection
  • Includes M14x1.5 heat-treated bolts for installation
Cons:
  • 45mm thickness may require checking for fender or trim clearance
  • Fitment must be confirmed for wheel center bore and lug thread before purchase

Verdict: A robust, hub-centric 45mm spacer set that gives ML-Class owners reliable clearance and track widening when fitment is confirmed and installed correctly.

Choosing the Right Mercedes-Benz ML-Class Wheel Spacers: Key Factors to Consider

Bolt Pattern and Hub-Centric Fit

Bolt pattern accuracy ensures the spacer aligns perfectly with the vehicle hub and wheel bolt holes. For ML-Class applications, confirm the pattern is specified for the vehicle to avoid mismatches that can cause stress on studs or uneven seating.

Hub-centric designs center the wheel on the hub rather than the lug nuts, which reduces the risk of runout and vibration. If a spacer is lug-centric, recognize that it may be more sensitive to wheel tolerance and could transfer additional stress to studs under heavy loads.

Material Strength and Corrosion Resistance

Spacers transmit wheel loads directly to the hub, so material strength matters for longevity and safety. High-quality forged or CNC-machined aluminum alloys offer a balance of strength and weight, while lower-grade materials can deform under stress.

Surface treatments like hard anodizing or corrosion-resistant coatings help prevent galvanic corrosion between the spacer, hub, and wheel hardware. On vehicles exposed to road salts or humid climates, corrosion protection preserves fitment and torque integrity over time.

Thickness and Track Width Effects

Spacer thickness determines how far the wheel sits from the hub, affecting track width, fender clearance, and scrub radius. Thinner spacers may provide modest stance changes with minimal handling impact, while thicker spacers amplify track width but can increase load on wheel bearings and wheel studs.

Consider the tradeoffs: the visual and clearance benefits versus potential changes to steering feel and bearing loads. Choose a thickness that achieves clearance without excessively altering suspension geometry.

Hardware Quality and Torque Specifications

Included hardware such as extended studs, lug bolts, and washers must match the spacer and vehicle specifications. Properly sized studs provide sufficient thread engagement into the hub to maintain clamping force and reduce the risk of stud failure.

Follow torque specifications appropriate for the spacer and vehicle; incorrect torque can lead to loosening or overstressing studs. Verify whether the spacer manufacturer provides explicit torque guidance and whether an installation kit is required or included.

Design Type and Load Distribution

Spacers can be single-piece or multi-piece, and designs vary in how they distribute load. One-piece, thick machined spacers often provide uniform load paths and simplified installation, while thin adapters or stacked designs may concentrate stress differently.

Evaluate how the spacer transfers forces to the hub and wheel. A design that maximizes surface contact and uses hub-centric mounting typically reduces localized stress and helps maintain alignment and bearing life.

Installation Practicality and Documentation

Ease of installation influences whether you can fit spacers safely at home or need professional help. Clear instructions, marked torque specs, and inclusion of an installation kit simplify the process and reduce the chance of errors.

Good documentation should cover the required torque sequence, re-torque intervals after initial driving, and any checks for runout or bearing preload. If instructions are vague or missing, plan on seeking professional installation to ensure safety.

How We Chose the Best Mercedes-Benz ML-Class Wheel Spacers

We focused on attributes that matter specifically for Mercedes-Benz ML-Class wheel spacers and the real-world demands of SUV driving. Key evaluation criteria included bolt pattern and hub-centric accuracy, material and corrosion resistance, thickness and its effect on track width, and the quality of included hardware. We also assessed load-bearing design, such as whether spacers maintained full stud engagement and supported hub loads typical of ML-Class vehicles, plus the availability of clear installation guidance.Products were excluded if they lacked clear fitment data for ML-Class models, used unknown alloy grades, or omitted essential installation hardware. We filtered out spacers with ambiguous torque recommendations or designs that relied solely on lug-centric centering for offset greater than recommended. The final list emphasizes correct bolt pattern fitment, durable materials, precise machining, and user-focused installation details.

Our full evaluation process is outlined in our review methodology.

FAQ

Are wheel spacers safe to use on a Mercedes-Benz ML-Class?

Wheel spacers can be safe when the correct bolt pattern, hub-centric fit, and appropriate thickness are used. Safety depends on material quality, correct hardware, and following torque specs. Improper installation, excessive thickness, or low-quality materials can increase stress on studs and bearings, so follow manufacturer guidance and verify fitment.

How do I choose the right spacer thickness for my ML-Class?

Choose thickness based on the clearance needed and how much you want to change track width. Smaller increments have less impact on steering geometry and bearing load. Consider suspension clearance, brake caliper clearance, and acceptable changes to scrub radius before selecting thickness.

Will wheel spacers cause vibration on my ML-Class?

Vibration is usually caused by runout or poor centering. Hub-centric spacers that fit precisely help minimize vibration, while lug-centric setups can be more sensitive to wheel tolerances. Proper installation, correct torque, and checking for wheel runout reduce the chance of vibrations.

Do I need an installation kit or extended studs?

You may need extended studs or specific lug bolts depending on spacer thickness. An installation kit that includes the right hardware simplifies fitment and helps ensure adequate thread engagement. Verify that the spacer's hardware matches the vehicle's hub and wheel requirements.

How should I torque wheel spacers on an ML-Class?

Follow the torque specs provided by the spacer and vehicle manufacturer, as they reflect the correct clamping force and thread engagement. Torque in a star pattern and re-check after a short break-in distance. If recommended values are not provided, consult a professional to determine an appropriate specification.

Will adding spacers affect wheel alignment or handling?

Spacers alter track width and can change scrub radius, which may influence steering feel and handling balance. Small spacers generally have minimal effect, but larger offsets can make handling feel different and may accelerate wear on suspension components. Consider alignment checks after installation if handling changes are noticeable.

Conclusion

Selecting wheel spacers for a Mercedes-Benz ML-Class is a balance between achieving the desired stance or clearance and preserving hub integrity and suspension geometry. Prioritize correct bolt pattern, hub-centric fit, durable materials, and appropriate thickness to limit negative impacts on bearings and steering.Pay attention to hardware quality and torque guidance, and be prepared to use extended studs or an installation kit when needed. When you prioritize fitment accuracy and clear installation instructions, you get the benefits of added clearance and a wider track while minimizing potential tradeoffs.

You May Also Like

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.