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If your Mercedes-Benz ML-Class is showing ABS warnings, sluggish stability control, or inconsistent speed readings, the right ABS wheel speed sensor can make a big difference in safety and drivability. You want a sensor that restores accurate wheel-speed data to the vehicle control modules, fits cleanly, and lasts through road exposure. This guide covers the seven shortlisted options that meet common fitment and durability needs. We evaluated each on diagnostic accuracy and physical reliability among other factors to help you pick the best replacement for typical repair situations.
Looking for other parts? See all Mercedes-Benz ML-Class parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | Broaug ABS Rear Wheel Speed Sensor Pair (2465400417) |  |
| Most Popular A crowd favorite that many people choose with confidence | MOTOKU ABS Wheel Speed Sensor 4-Pack for Mercedes ML/GL-Class |  |
| Best Quality Built to a higher standard if you want something more solid | Motoforti ABS Wheel Speed Sensor (4-pack) for Mercedes-Benz CLA/GLA/B Series |  |
| Best Budget The cheapest option that still gets the job done reliably | Ynovvo ALS376 Front Left or Right ABS Wheel Speed Sensor for Mercedes‑Benz |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Front ABS Wheel Speed Sensors (2-piece) for Mercedes-Benz S-Class/CL-Class |  |
| Best Value for Money The sweet spot between price and what you get | X AUTOHAUX ABS Wheel Speed Sensor (2049052905) for Mercedes-Benz C-Class Front |  |
| Best Overall The best all-around choice for most situations | Bosch Wheel Speed Sensor (0986594548) — Front, Magnetic |  |
1. Broaug ABS Rear Wheel Speed Sensor Pair (2465400417)
| Maximum Supply Voltage | 12 Volts |
|---|---|
| Measurement Accuracy | ±1.5% |
| Measuring Range | 5 mph – 160 mph |
| Upper Temperature Rating | 150 Degrees Celsius |
These Broaug sensors are sold as a matched pair for the rear left and right positions and are intended as direct factory-quality replacements for compatible Mercedes-Benz vehicles. In use they monitor wheel rotation and transmit an electrical signal to the ABS/ESP control module to maintain stability control and anti-lock braking functions. The sensors offer plug-and-play connectors and a protective sleeve over the wiring, which simplifies installation and reduces the chance of corrosion or water ingress. Specified for automotive electrical systems up to 12 volts with a measuring range suitable for typical road speeds, they are molded from ABS plastic for light weight and durability. Measurement accuracy and a high temperature rating help keep the ABS system stable and reduce false warning lights when the sensor is properly installed. The main limitations are that these are aftermarket components so longevity can vary with driving conditions, and installation still requires basic mechanical access to the rear wheel area and proper connector seating to avoid faults.
Best for: Reliability-focused buyers who prioritize restoring correct ABS and stability system function with a direct-replacement sensor rather than sourcing the factory part, and who prefer a straightforward install to minimize time at a shop.
Less Ideal for: Users seeking an exact factory-sourced part number or those who require guaranteed OEM lifetime durability should consider dealer-sourced replacements instead.
- Sold as a matched rear left and right pair for consistent sensor performance
- Direct-fit connectors designed to match factory wiring for plug-and-play installation
- High temperature rating and ±1.5% measurement accuracy support stable ABS/ESP signals
- Protective wiring sleeve and OEM-style terminals reduce risk of water intrusion and connector issues
- Aftermarket part so long-term durability may differ from factory parts
Verdict A cost-effective, plug-and-play pair of rear wheel speed sensors aimed at reliability-minded owners who want to restore ABS/ESP function without complex installation.
2. MOTOKU ABS Wheel Speed Sensor 4-Pack for Mercedes ML/GL-Class
| Measurement Accuracy | ±5 RPM |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | electrical signal |
| Specific Uses For Product | Wheel Speed |
This MOTOKU 4-piece wheel speed sensor kit supplies front and rear replacements for compatible Mercedes ML and GL models and is intended as a direct-fit, do-it-yourself repair part. Installers typically jack the vehicle, remove the wheel, unbolt the old sensor and plug in the new unit; several buyers report no programming was required after installation. The sensors output an electrical signal and use a flange mount, with a stated measurement accuracy of plus or minus 5 RPM. Practical benefits include getting all four sensors in one purchase, lower cost versus dealer parts, and straightforward replacement that clears ABS and speed-sensor fault codes for many users. Limitations are occasional fitment mismatches reported for some model years and the sensors are plastic-bodied aftermarket parts rather than factory-sourced components, which could affect long-term durability in harsh environments. Keep the correct Mercedes Torx socket on hand for the retaining bolt and verify fit for your exact model year before installation.
Best for: Buyers who prioritize convenience and speed of repair, want to replace all wheel sensors at once, and prefer an affordable, DIY-friendly option for Mercedes ML/GL maintenance.
Less Ideal for: Owners seeking an exact factory-manufactured sensor or those with vehicles that require dealer verification for fitment should consider factory-quality replacements or professional parts matching.
- Includes four sensors so you can replace all wheel sensors in one job
- Direct-flange mount design intended to match factory mounting for easy install
- No programming reported by many users after replacement
- Measured accuracy listed at ±5 RPM which is adequate for ABS/traction control signaling
- Some buyers reported fitment issues on specific model years
- Aftermarket plastic construction may not match factory long-term durability
Verdict A cost-effective, all-in-one replacement sensor kit that simplifies DIY ABS repairs for many Mercedes ML and GL years but requires careful fit verification for some model years.
3. Motoforti ABS Wheel Speed Sensor (4-pack) for Mercedes-Benz CLA/GLA/B Series
| Maximum Supply Voltage | 12 Volts |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Digital Signal |
| Upper Temperature Rating | 150 Degrees Celsius |
These Motoforti sensors are sold as a four-piece kit intended to replace failed wheel-speed sensors on compatible Mercedes-Benz models. They mount in the factory locations and deliver a digital output signal compatible with the vehicle ABS system, so they are used when a worn or damaged sensor triggers ABS or traction-control warnings. The kit is described as flange-mount with a two-pin connector and a 12 V supply limit, and the sensors are made from metal and plastic for corrosion resistance. Practical benefits include direct-fit design for straightforward replacement without special tools, a full set to service front and rear positions at once, and an elevated temperature rating that suits engine-bay exposure. Limitations are that this is an aftermarket, non-OEM part so fitment and long-term durability can vary compared with factory-quality sensors, and buyers must verify model year compatibility before purchase. For a performance-oriented buyer this kit restores reliable speed input for ABS and stability systems but may not match OEM longevity under extreme track use.
Best for: Performance-oriented drivers who prioritize restoring precise ABS and traction control feedback quickly and prefer replacing all wheel sensors at once to ensure consistent system response.
Less Ideal for: Buyers who need guaranteed factory-quality longevity for heavy track use or those who prefer parts with manufacturer-backed OEM certifications.
- Includes four sensors so you can replace front and rear sensors in one service
- Direct-replacement flange mount and two-pin connector for simpler installation
- Digital output and 12 V compatibility match standard vehicle electrical systems
- Upper temperature rating to 150 C supports durability near hot components
- Aftermarket non-OEM product so long-term reliability may differ from factory sensor performance
- Fitment requires careful year and model checking to avoid compatibility issues
Verdict A convenient four-piece aftermarket sensor kit that restores ABS wheel-speed signals for specified Mercedes-Benz models, offering straightforward installation but not OEM-backed longevity.
4. Ynovvo ALS376 Front Left or Right ABS Wheel Speed Sensor for Mercedes‑Benz
| Manufacturer | Ynovvo |
|---|---|
| Manufacturer Part Number | 1649058200 |
| OEM Part Number | 1644405541, 5S14078, 1645400917, 1649058200, 1649058400, ALS376 |
| Fitment (select Mercedes‑Benz) | GL320/GL350/GL450/GL500/GL550 and ML320/ML350/ML450/ML500/ML550/ML63 AMG (specified years) |
This Ynovvo ABS wheel speed sensor is a direct-fit replacement for the front left or right position on a range of Mercedes‑Benz GL and ML models. It installs where the factory sensor reads wheel speed for the ABS and traction control systems and is typically swapped in when the ABS light is present or speed readings are faulty. The listing describes part numbers compatible with Mercedes-Benz fitments and the connector is reported to click in firmly for a secure electrical connection. Practical benefits include easy bolt-in installation and a packaged single-sensor option so you only replace the side you need. Because this is an aftermarket budget part, it aims to match factory fit and function while keeping cost down, but long-term durability may vary compared with higher-end replacements. You should confirm the OE number and model-year fitment before ordering and be prepared to replace the opposite sensor in the near future if the vehicle has mileage-related wear.
Best for: Budget-conscious Mercedes‑Benz owners seeking a low-cost, factory-style replacement for a front wheel speed sensor who prioritize immediate function and lower parts expense over premium aftermarket options.
Less Ideal for: Owners who prefer long-term durability guarantees or want an upgraded performance sensor should consider higher-end or factory-sourced alternatives.
- Designed to fit front left or right positions on specified Mercedes‑Benz GL and ML models
- Direct connector that clicks in for a secure electrical connection
- Sold as a single sensor so you only replace the side that needs service
- Lower-cost aftermarket option compared with factory replacements
- Aftermarket build quality can vary and may not match long-term OEM longevity
- Only one sensor is included, which may mean replacing the opposite side soon for matched wear
Verdict A cost-effective, direct-fit front ABS wheel speed sensor for Mercedes‑Benz ML/GL models that restores function at a fraction of the OEM price but may not match OEM longevity.
5. A-Premium Front ABS Wheel Speed Sensors (2-piece) for Mercedes-Benz S-Class/CL-Class
| Connector Pins | 2 Pins |
|---|---|
| Maximum Voltage | 12 Volts (DC) |
| Number of Items | 2 |
These A-Premium sensors are a two-piece front set intended to replace failed wheel speed sensors on certain Mercedes‑Benz S‑Class and CL‑Class models. They plug into the factory harness using a two‑pin connector and are positioned for front left and right installation. The listing emphasizes factory-spec performance and a claimed long lifespan, and the parts carry reference numbers that match common Mercedes part catalogs for fitment checks. In practice they are used as direct replacement sensors during ABS or traction control diagnostics to restore wheel speed readings to the vehicle computer. Buyers report mostly straightforward installs and good operation when fitment is correct, and the two-piece set eliminates sourcing individual sides. Notable limitations are variable fitment reporting across model years and some accounts of dimensional mismatches that required returns; confirming the exact part reference against your vehicle before ordering is important. The kit includes a one-year parts guarantee but does not cover installation costs.
Best for: Risk-averse mainstream buyers who want a low-risk replacement that matches factory function and prefer buying a matched front‑side set to minimize repeat repairs.
Less Ideal for: Owners who prioritize exact OEM branding or who need guaranteed fit across every ML‑Class model year without verifying part references should consider alternatives or dealer parts.
- Sold as a matched front pair so both sides can be replaced at once.
- Uses a 2‑pin connector compatible with the factory harness on supported Mercedes models.
- Manufacturer lists multiple Mercedes reference numbers to simplify fitment verification.
- Marketed to meet or exceed factory specifications for performance and durability.
- Some buyers reported incorrect physical fit for specific model years despite advertised compatibility.
- Not every model year variation is covered so fitment must be double-checked before purchase.
- One-year guarantee covers the part only and does not include labor or installation-related expenses.
Verdict A budget-friendly matched front pair that restores ABS speed sensing when you verify the exact Mercedes reference for your vehicle before ordering.
6. X AUTOHAUX ABS Wheel Speed Sensor (2049052905) for Mercedes-Benz C-Class Front
| OE Number | 2049052905 |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Push-Pull |
| Specific Uses For Product | Speed |
This X AUTOHAUX wheel speed sensor is a direct-replacement style part intended to restore the ABS and traction control signals when a factory sensor fails. It installs at the front left or right wheel and plugs into the factory harness, so typical use is a one-off DIY or shop replacement to clear ABS codes and return wheel-speed data to the vehicle control modules. Notable features include flange mounting, push-pull output style, and a two-pin connector that matches the listed Mercedes part numbers. In practice the sensor provides a straightforward install and works reliably for customers who need a budget-friendly alternative to factory parts. Limitations are that it is an aftermarket, non-factory product so long-term durability may vary versus a factory-quality unit, and buyers must verify exact vehicle fitment before ordering since fit is specific. For routine repairs it offers a practical, low-cost way to fix ABS-related warnings without dealer-level expense, but those seeking guaranteed factory-spec longevity may prefer a factory replacement.
Best for: Practical optimizers who prioritize fixing ABS/traction issues affordably and prefer a do-it-yourself or cost-conscious repair approach on their Mercedes-Benz ML-Class.
Less Ideal for: Buyers seeking guaranteed factory-spec longevity or extended warranty coverage should consider a factory-quality sensor or dealer-supplied replacement.
- Fits front left or right positions and plugs into the existing harness for straightforward replacement.
- Flange-mount design and two-pin connector match the listed Mercedes part numbers for correct mechanical fit.
- Affordable aftermarket option that restores ABS and traction functions quickly for DIY or shop installs.
- Aftermarket construction means long-term durability and exact performance can differ from factory-quality sensors.
- Product fitment is vehicle-specific so incorrect selection will require a return or replacement.
Verdict A budget-friendly aftermarket front wheel speed sensor that restores ABS function quickly but may not match factory longevity.
7. Bosch Wheel Speed Sensor (0986594548) — Front, Magnetic
| Maximum Supply Voltage | 16 Volts |
|---|---|
| Measurement Accuracy | ±1% |
| Mounting Type | Flange Mount |
| Output Type | Push-Pull |
| Upper Temperature Rating | 200 Degrees Fahrenheit |
This Bosch front wheel speed sensor is a direct-fit replacement intended to restore ABS, traction control, and stability system function by reporting wheel speed and direction to the vehicle’s control modules. Installation is typical for a flange-mounted sensor: unplug the factory connector, remove the retaining fastener, and fit the new sensor into the mounting hole with the OE-style connector. Notable features include a push-pull output type, interference-resistant magnetic sensing, and a stated measurement accuracy of plus or minus 1 percent, which helps deliver consistent signals to the vehicle’s safety systems. The sensor is rated for up to 16 volts and an upper temperature of 200 degrees Fahrenheit, so it is built to tolerate under-hood and wheel-well conditions. Sold individually, it replaces a single front sensor so you can swap one side at a time. Expect reliable, factory-quality performance, though you should verify vehicle trim and exact fitment before purchase because option packages can affect compatibility.
Best for: Balanced all-round buyers who prioritize a reliable, factory-quality replacement to restore ABS and stability functions without overpaying or chasing aftermarket extras.
Less Ideal for: Drivers needing a multi-sensor kit, those who require nonstandard high-performance sensors, or shoppers looking for bundle deals that include both left and right sensors and hardware.
- Direct-fit front replacement with OE-style connector and mounting for hassle-free installation
- Interference-resistant magnetic design for stable wheel-speed signals
- High reported accuracy (±1%) for consistent ABS and stability system input
- Temperature and voltage ratings suitable for wheel-well operating conditions
- Sold as a single unit so you must buy a second sensor separately if both sides need replacement
- Fitment varies by trim and option packages so verification for the specific vehicle is required
Verdict A reliable, factory-quality front wheel speed sensor that restores ABS and stability functions for compatible Mercedes models, sold individually so confirm fitment before buying.
Choosing the Right Mercedes-Benz ML-Class ABS Wheel Speed Sensor: Key Factors to Consider
Signal Accuracy and Resolution
Signal accuracy determines how precisely the sensor reports wheel speed to the ABS and traction control modules. A sensor with stable voltage or frequency output across the vehicle's speed range reduces false warnings and erratic braking behavior.
Higher resolution or cleaner signal waveforms help the control units calculate wheel slip and adjust braking or stability interventions more smoothly. When accuracy is compromised by noisy output or intermittent signal loss, you can see degraded ABS performance and diagnostic trouble codes.
Sealing and Environmental Protection
Wheel speed sensors are exposed to water, salt, road grime and temperature swings, so effective sealing is crucial for long-term performance. Good ingress protection prevents moisture from reaching the sensor element and connector pins, which can cause corrosion and intermittent failures.
Consider sensors with robust housings, durable potting or overmolding, and gaskets where they mount. Better environmental protection reduces the likelihood of premature failure, especially in regions with heavy road salt or frequent wet conditions.
Connector and Harness Compatibility
Proper connector fit and secure harness routing are important for both electrical reliability and ease of installation. A sensor that matches the vehicle's OEM connector reduces the chance of loose contacts or pin misalignment that can generate error codes.
Attention to harness length, strain relief, and clip points matters when reusing factory mounting locations. Sensors that require splicing or adapter pigtails increase installation time and potential failure points, so direct-fit connectors are typically preferred.
Mounting and Mechanical Fit
The mechanical interface determines whether the sensor seats correctly and senses the tone ring or reluctor at the correct distance. Accurate mounting maintains consistent air gap and prevents rubbing or misalignment that distorts the signal.
Look for sensors designed for the ML-Class mounting points with proper flanges, bolt patterns, and locating features. A secure mechanical fit also minimizes vibration-related wear and helps maintain the correct sensing gap over time.
Durability and Materials
Materials influence resistance to impact, vibration, and chemical exposure common under the vehicle. Housings made from tough, heat-resistant plastics and corrosion-resistant metal components tend to outlast cheaper alternatives.
Durability also extends to cable jacketing and strain reliefs that resist chafing and cracking. Choosing a sensor with rugged construction reduces the chance of returning for another replacement due to environmental or mechanical damage.
Diagnostic Compatibility and Serviceability
A sensor that produces predictable fault codes and straightforward test points simplifies diagnosis and repair. Compatibility with standard diagnostic procedures and the ability to verify sensor output with common tools reduce troubleshooting time.
Consider how easy it is to access the sensor for testing or replacement without extensive disassembly. Sensors that align with typical service workflows make repairs faster and less error-prone for both DIYers and professional technicians.
FAQ
What common symptoms indicate a failing ABS wheel speed sensor on an ML-Class?
A failing sensor often triggers the ABS warning light, inconsistent speedometer behavior, or traction control faults. You may also notice uneven braking or stability interventions that seem delayed or overly aggressive. Symptoms can be intermittent if the sensor is degrading or the connector is corroded.
Can I replace a wheel speed sensor myself on a Mercedes-Benz ML-Class?
Many sensors are designed for straightforward replacement at the wheel hub or knuckle and can be changed with basic hand tools. Some vehicles require lifting the car and removing the wheel or splash shield for access. If you are comfortable with routine automotive work, you can often perform the replacement, though careful routing and connector seating are important.
How do I diagnose whether the ABS sensor or wiring is at fault?
Start with a visual inspection of the sensor, connector and harness for corrosion, damage or loose pins. Use a multimeter to check continuity and resistance across the sensor and perform a wiring test while observing for intermittent opens. If available, monitor the sensor signal with a diagnostic scanner or oscilloscope to confirm steady output during wheel rotation.
Will replacing a faulty sensor clear ABS codes on the ML-Class?
Replacing a failed sensor can resolve the underlying cause and allow codes to clear, but some control modules require an explicit code clear or a short drive cycle before the warning light goes out. If multiple sensors or wiring issues exist, replacing one sensor may not fully resolve all stored codes.
Are aftermarket sensors reliable compared with OEM units for the ML-Class?
Aftermarket sensors vary in quality; some match OEM specifications closely while others do not. Reliability depends on materials, fitment accuracy and environmental sealing. Choosing a well-documented part with proper fit information helps reduce the risk of compatibility or longevity problems.
What should I check if the ABS warning returns after installing a new sensor?
Reinspect the connector and wiring for secure contact and proper routing, and verify the sensor seating and air gap at the mounting point. Confirm the replacement produces a stable signal with diagnostic tools and clear any stored codes before retesting. If issues persist, investigate related components such as tone rings or control module inputs.
How We Chose the Best Mercedes-Benz ML-Class ABS Wheel Speed Sensor
We focused on sensors that specifically fit the Mercedes-Benz ML-Class and meet the vehicle's electrical and mounting requirements. Key evaluation criteria included signal accuracy under varying speeds, physical durability against moisture and road debris, electrical connector integrity, and ease of installation or direct-fit compatibility. We also weighed long-term reliability in corrosive environments and the availability of clear fitment documentation. We excluded products without explicit fitment information for the ML-Class, generic universal sensors that require extensive modification, and units lacking basic environmental sealing. The final selections reflect sensors that deliver dependable wheel-speed signals, robust connectors and harnesses, and installation characteristics suited to routine garage or dealer repairs. We prioritized technical fit and longevity over marketing claims.
Our full evaluation process is outlined in our review methodology.
Conclusion
When selecting an ABS wheel speed sensor for a Mercedes-Benz ML-Class, prioritize signal accuracy, correct mechanical fit, and robust environmental protection. These attributes most directly affect ABS and traction control performance and reduce the chance of repeated failures. Balance ease of installation, connector compatibility, and durable materials against the likelihood of exposure to moisture and road debris. Focusing on these factors will help you choose a sensor that restores reliable braking and stability behavior with minimal follow-up work.
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