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 disclaimer here.
If your Mercedes-Benz GLA shows ABS warnings, irregular speed readings, or traction control faults, replacing the right ABS wheel speed sensor can restore stable braking performance. You want a sensor that fits cleanly, gives accurate wheel-speed signals, and survives road and weather exposure. This guide shortlists the top options for the Mercedes-Benz GLA and explains the attributes that matter most in real-world driving. Below we cover the shortlisted products, the practical evaluation criteria used to choose them, and what to check before you replace a sensor.
Looking for other parts? See all Mercedes-Benz GLA parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | A-Premium ABS Wheel Speed Sensor for Mercedes‑Benz (front, left or right) |  |
| Most Popular A crowd favorite that many people choose with confidence | MOTOKU ABS Wheel Speed Sensor 4-Pack for Mercedes GL/ML Series (replacement for 1645400717/1645400917) |  |
| Best Quality Built to a higher standard if you want something more solid | Motoforti ABS Wheel Speed Sensor Kit for Mercedes-Benz (4pcs) |  |
| Best Budget The cheapest option that still gets the job done reliably | BOXI Front ABS Wheel Speed Sensor (Fits Mercedes-Benz W246/X177 Series) |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Front ABS Wheel Speed Sensor Set for Mercedes‑Benz S‑Class (Front Left & Right) |  |
| Best Value for Money The sweet spot between price and what you get | SDYYDS Rear Left & Right ABS Wheel Speed Sensor (2115401217) |  |
| Best Overall The best all-around choice for most situations | Bosch Wheel Speed Sensor (0986594548) — Front Wheel, Magnetic |  |
1. A-Premium ABS Wheel Speed Sensor for Mercedes‑Benz (front, left or right)
| Connector Pins | 2 Pins |
|---|---|
| Location | Front Left or Right |
| Output Type | Digital |
| Mounting Type | Flange Mount |
| Material Type | Acrylonitrile Butadiene Styrene |
This A-Premium ABS wheel speed sensor replaces a failed front sensor to restore accurate wheel-speed input for the ABS, traction control, and transmission shift logic on supported Mercedes‑Benz models. It installs at the front left or right hub and uses a 2‑pin digital connector with a flange mount for a factory‑style fit. In practice the sensor is used as a direct replacement when a fault code or error message indicates a bad speed sensor; it cleared codes and normalized vehicle behavior for multiple owners. Notable features include high declared measurement accuracy, flange mounting for secure installation, and an ABS-grade plastic housing. Practical benefits are straightforward compatibility with specified Mercedes models, a parts-level reference to factory numbers, and a one‑year unlimited‑mileage part guarantee. Limitations are that installation can require wheel removal, some mechanical skill, and an OBD scan tool to clear and reinitialize ABS systems, and the wiring harness diameter is slightly smaller than factory in some units which may affect routing ease.
Best for: Buyers who prioritize reliable, vehicle‑specific replacements and want a budget‑minded sensor that restores factory behavior without sourcing dealer parts.
Less Ideal for: Users seeking plug‑and‑play OEM identical wiring or those unwilling to perform a professional installation and ABS relearn procedure should consider alternatives.
- Made to match factory fit with flange mount and 2‑pin connector for direct replacement
- Claims high measurement accuracy suitable for ABS and traction control functions
- Compatible with specific Mercedes‑Benz B, CLA, and GLA front positions using listed reference numbers
- Includes a one‑year unlimited‑mileage parts guarantee for confidence in replacement
- May require wheel removal and advanced mechanical skill for proper installation
- Some units have a smaller diameter wire harness than the factory harness which can complicate routing
Verdict A practical, vehicle‑specific front wheel speed sensor that restores ABS function affordably for Mercedes‑Benz models, but requires proper installation and ABS relearn steps.
2. MOTOKU ABS Wheel Speed Sensor 4-Pack for Mercedes GL/ML Series (replacement for 1645400717/1645400917)
| Measurement Accuracy | ±5 RPM |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | electrical signal |
| Specific Uses For Product | Wheel Speed |
This MOTOKU kit supplies four ABS wheel speed sensors intended to replace factory units (listed OEM numbers) on compatible Mercedes GL and ML vehicles. Each sensor mounts via a flange and outputs an electrical signal that the ABS/traction systems use to monitor wheel rotation. Typical use is direct replacement of a failed or intermittent sensor to clear ABS or traction-control fault codes and restore normal system function. Reported advantages include straightforward install for a DIYer with basic tools and the correct Torx socket, and the package includes both front and rear sensor part numbers so you get a full-axle replacement in one purchase. Measurement accuracy is stated as ±5 RPM, which is adequate for ABS feedback. Limitations include occasional fitment variability reported by some users, so careful fit-checking before installation is wise, and the plastic construction may not match factory long-term durability in harsh conditions. No programming is required in many cases, but clearing codes with an OBD scanner after replacement is commonly needed.
Best for: Buyers who prioritize convenience and want a single purchase to replace all wheel speed sensors and quickly clear ABS/traction faults without dealer visits.
Less Ideal for: Drivers seeking a long-term factory-grade replacement for severe off-road or high-mileage vehicles should consider higher-end or manufacturer-sourced sensors instead.
- Four sensors included so you can replace all wheel sensors at once
- Direct flange-mount design that matches factory mounting style
- Stated measurement accuracy of ±5 RPM suitable for ABS feedback
- Common DIY-friendly install with no special programming required in many cases
- Some buyers report fitment differences compared with factory sensors on certain model years
- Made from plastic which may wear faster than metal-reinforced factory parts
Verdict A convenient four-piece replacement set that gets ABS and traction systems back to normal fast, but check fitment and expect basic aftermarket durability.
3. Motoforti ABS Wheel Speed Sensor Kit for Mercedes-Benz (4pcs)
| Maximum Supply Voltage | 12 Volts |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Digital Signal |
| Upper Temperature Rating | 150 Degrees Celsius |
This Motoforti kit supplies four ABS wheel speed sensors intended to replace failed sensors on compatible Mercedes-Benz vehicles. Each sensor is a flange-mounted, two-pin digital-output unit rated for 12 volt systems and a high operating temperature, so it connects directly to the factory wiring and feeds wheel-speed data to the ABS/traction control modules. Installation is typically plug-and-play and does not require special tools, making it suitable for routine on-car replacement when a sensor fails or an ABS warning appears. The kit lists metal and plastic construction for durability and claims corrosion resistance; those materials plus the flange mount help the sensors hold position under normal driving conditions. Limitations are that this is a non-factory replacement so fit and long-term durability can vary versus factory-quality parts, and correct fit depends on matching part numbers and model year precisely. For maintenance jobs where restoring ABS/traction function quickly and affordably matters, this kit covers all four wheel positions at once.
Best for: Performance-oriented owners who prioritize restoring ABS and traction control quickly and want a complete four-sensor replacement to get their Mercedes-Benz GLA back to safe, predictable handling.
Less Ideal for: Buyers seeking guaranteed factory-quality longevity or an exact OEM parts match should consider manufacturer-sourced sensors instead.
- Includes four sensors to replace all wheel positions in one purchase
- Flange mount and two-pin digital output match typical Mercedes-Benz connector styles
- Rated for 12 V electrical systems and high operating temperatures suitable for engine bay and wheel-well environments
- Designed for direct replacement with plug-and-play installation requiring no special tools
- Aftermarket non-factory part so long-term durability and exact fit may differ from factory-quality sensors
- Product fit depends on matching part numbers and vehicle year, requiring careful verification before purchase
Verdict A convenient four-piece aftermarket sensor kit that restores ABS and traction sensing for compatible Mercedes-Benz GLA vehicles quickly, though it is not a factory part.
4. BOXI Front ABS Wheel Speed Sensor (Fits Mercedes-Benz W246/X177 Series)
| Replaces part number | 2465402510 |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Push-Pull |
| Material Type | Acrylonitrile Butadiene Styrene |
This BOXI ABS wheel speed sensor replaces the factory front left or right sensor on compatible Mercedes-Benz B‑class, CLA, and GLA models. It is sold as a single sensor and installs into the flange mount on the wheel/hub area to supply wheel speed data to the ABS and stability control systems. The sensor uses a push-pull output design and is molded from ABS plastic, which keeps cost and weight low while providing a stable signal in normal driving. For DIYers or independent shops the direct-replacement fit and included part number make identification straightforward, and multiple user reports note it fits and functions as expected. Limitations are typical of budget aftermarket parts: installation instructions are not included and professional installation is recommended, and long-term durability beyond the 1 year warranty is less documented than with higher-end OE-level parts. It is a practical, low-cost option when you need a serviceable front speed sensor quickly and affordably.
Best for: Budget-conscious Mercedes-Benz owners looking for an affordable front wheel speed sensor replacement for routine repairs or to clear ABS warnings without paying for higher-priced factory parts.
Less Ideal for: Owners seeking long-term OEM-level longevity, extended warranties, or parts with manufacturer installation support should consider higher-end or factory-sourced sensors instead.
- Direct replacement fit for specified Mercedes‑Benz W246 and X177 front wheel positions
- Push-pull output and flange mount design match factory installation method
- Low-cost option that has reported successful installations on multiple models
- Manufactured from ABS for corrosion resistance and lightweight handling
- No installation instructions included, which may complicate DIY fitting
- Limited documented long-term durability compared with factory-quality parts
Verdict A wallet-friendly, direct-fit front ABS speed sensor for select Mercedes-Benz models that works well for immediate repairs but may lack the longevity and support of factory-quality parts.
5. A-Premium Front ABS Wheel Speed Sensor Set for Mercedes‑Benz S‑Class (Front Left & Right)
| Connector Pins | 2 Pins |
|---|---|
| Maximum Voltage | 12 Volts (DC) |
| Compatible Devices | Pc |
This A-Premium two-piece front ABS wheel speed sensor set replaces the driver and passenger side sensors on compatible Mercedes‑Benz S‑Class models. Installed at the front wheel hubs, the sensors monitor wheel rotation and feed speed data to the ABS and traction control systems. The listing highlights 2‑pin connectors and a manufacturer reference number that matches common Mercedes part numbers, which helps with fitment matching. Buyers report straightforward installation when the sensor matches the vehicle and note factory-quality performance for ABS and stability functions. The practical benefits are restoring ABS warning light operation and traction control responsiveness without replacing larger braking components. Expect variability in fitment on some model years, so confirm the reference numbers against your vehicle before ordering. A-Premium offers a one-year parts guarantee, but professional installation may still be required for proper calibration and diagnostics if fault codes persist.
Best for: A risk‑averse mainstream buyer who prioritizes restoring ABS and traction control behavior on a Mercedes and prefers a matched sensor pair that aligns with factory reference numbers.
Less Ideal for: Do not choose this if you need guaranteed fit without checking reference numbers first or if you require a sensor with vehicle‑specific programmed calibration out of the box.
- Sold as a matched front left and right pair for easy replacement
- Uses 2‑pin connector compatible with factory wiring harnesses
- Matches common Mercedes reference numbers for easier fit verification
- Marketed to meet or exceed factory specifications and long lifespan claims
- Fitment varies across model years so some buyers reported incorrect fit
- No built-in calibration; diagnostic clearing or professional setup may be required
- Manufacturer guarantee covers part replacement only, not labor or related repair costs
Verdict A practical, matched front sensor pair that can restore ABS function affordably when the reference numbers match your Mercedes, but double‑check fitment and expect possible professional setup.
6. SDYYDS Rear Left & Right ABS Wheel Speed Sensor (2115401217)
| Maximum Supply Voltage | 12 Volts |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | electrical signal |
| Specific Uses For Product | Speed |
| Material Type | Acrylonitrile Butadiene Styrene |
These SDYYDS wheel speed sensors are replacement flange‑mount ABS sensors sold as a left and right pair for compatible Mercedes-Benz models. They plug into the factory harness and produce an electrical speed signal that the vehicle ABS/traction systems use to monitor wheel rotation. In practice they install like a direct replacement thanks to OEM-style connectors, grommets, and mounting clips included to match factory routing. The sensors use a protective sleeve over the harness to resist abrasion and are rated for a 12-volt system, which is standard for passenger cars. For a practical optimizer this provides a lower-cost, do-it-yourself option to clear speed-sensor fault codes and restore ABS/ESP function without replacing expensive modules. Limitations include generic aftermarket fitment: while listings show compatibility with multiple Mercedes models, buyers should confirm the part number matches their car, and the sensors are not advertised with extended durability testing or OEM warranty terms beyond the seller support period.
Best for: A practical optimizer who wants a cost-effective direct replacement to fix ABS/traction warnings and maintain safe braking performance on a Mercedes without paying dealer prices.
Less Ideal for: Drivers seeking factory-certified parts with extended OEM warranty coverage or verified long-term performance testing should consider factory-quality alternatives.
- Sold as a left and right pair for simultaneous replacement
- Plug-and-play flange mount with OEM-style connectors for straightforward installation
- Includes grommets, clips, and a protective sleeve for proper routing and wire protection
- No long-term durability data or OEM-level warranty is provided by the seller
Verdict A budget-friendly direct-replacement pair that restores ABS speed sensing on compatible Mercedes models, suitable for DIY repairs but without OEM-level durability assurances.
7. Bosch Wheel Speed Sensor (0986594548) — Front Wheel, 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 magnetic wheel speed sensor is a factory-quality replacement that supplies wheel speed data to ABS, traction control and stability systems. Installed at the front wheel, it detects forward and backward wheel movement and wheel stoppage, then sends a push-pull output signal to the vehicle control modules. Typical use is a direct swap when a failed sensor triggers ABS or traction-control warnings or when intermittent speed readings affect stability systems. Notable features include an interference-resistant design, flange-mount fitment with OE-style connector and a measured accuracy spec that supports reliable system input. In practice the sensor installs like a direct factory replacement and restores proper system behavior quickly when the old unit fails. Limitations are that this listing is sold individually so you must buy the matching side separately, and compatibility is limited to specific Mercedes-Benz fitments and trim/option combinations so fit verification is required before purchase.
Best for: A balanced, all-round buyer who wants a reliable, factory-quality replacement sensor to fix ABS or traction-control faults and get a Mercedes-Benz back to normal without overpaying for performance upgrades.
Less Ideal for: Drivers seeking a universal or multi-vehicle sensor solution or those who need both front sensors included in one purchase should look for alternate listings or paired kits.
- Factory-quality magnetic sensing and interference resistance for consistent ABS and stability inputs
- OE-style connector and flange mount for straightforward direct-fit installation
- Measurement accuracy of ±1% supports precise wheel-speed reporting to vehicle systems
- Upper temperature rating suitable for under-hood and wheel-arch operating environments
- Sold as a single sensor rather than a pair, requiring an extra purchase for both sides
- Compatibility is limited to specific Mercedes-Benz models and may be affected by trim or option packages
Verdict A dependable factory-style front wheel speed sensor that restores ABS and stability performance for compatible Mercedes-Benz vehicles, sold individually so confirm fitment and purchase the correct side.
Choosing the Right Mercedes-Benz GLA ABS Wheel Speed Sensor: Key Factors to Consider
Fit and Mounting Compatibility
Correct fit is the primary consideration because the sensor must align precisely with the wheel hub pickup to read pulses accurately. Check the sensor mounting pattern, mounting bolt size, and housing orientation so the sensor sits at the correct air gap relative to the tone ring.
Connector shape and pin arrangement matter for a clean electrical connection. Misaligned connectors can lead to intermittent readings or require connector adapters that complicate installation. A sensor that matches the vehicle-side connector and includes proper grommets or clips reduces installation time and wiring strain.
Electrical Signal Characteristics
The sensor’s output — whether voltage amplitude, resistance range, or frequency response — determines how reliably the vehicle’s control units interpret wheel speed. Sensors with documented resistance ranges and predictable signal curves are less likely to trigger false ABS or traction-control faults.
Consider how the sensor performs at low and high wheel speeds. A sensor that remains sensitive at low RPMs helps prevent stuttering during slow maneuvers while retaining accuracy at highway speeds for stability control systems.
Environmental Durability
Wheel speed sensors sit close to the road and must resist water, salt, dirt, and heat cycles. Look for sealed housings, corrosion-resistant terminals, and protective boots at the connector to prevent moisture ingress and premature failure.
Materials that withstand road chemicals and UV exposure extend service life. Durable sensors reduce the chance of intermittent faults caused by corrosion or cracked housings, which often present as sporadic ABS warnings under wet conditions or after pressure washing.
Wiring and Connector Quality
The sensor wiring must tolerate flexing, abrasion, and exposure to wheel movement. Reinforced sheathing, strain reliefs, and well-placed clips can prevent chafing against suspension components. A secure, high-quality connector reduces the chance of poor contact and electrical resistance buildup over time.
If the harness is long enough to route without tension and includes protective sleeves where it passes near sharp edges, installation is simpler and long-term reliability improves. Wiring quality often differentiates short-lived repairs from lasting solutions.
Installation and Serviceability
Ease of installation affects both DIY and shop repairs. Sensors that come with replacement grommets, bolts, or anti-seize on mounting threads simplify the job and cut installation time. Clear instructions or included hardware reduce the risk of improper mounting that can change the sensor gap or alignment.
Serviceability also means accessibility to testing points for multimeter checks. Sensors designed to allow in-place testing of resistance or continuity can speed diagnostics and reduce unnecessary removal during troubleshooting.
Reliability and Expected Lifespan
A sensor’s expected lifespan reflects manufacturing quality and materials. Look for units with good sealing, quality connectors, and housings rated for repeated thermal cycling. Reliability is particularly important because intermittent ABS faults can be hard to reproduce and diagnose.
Longer-lasting sensors lower the frequency of repeat repairs and can provide more consistent signal output over time, keeping ABS and traction-control systems functioning predictably without recurring faults.
FAQ
What are common ABS sensor symptoms on a Mercedes-Benz GLA?
Common symptoms include an illuminated ABS or traction control warning, irregular speedometer behavior, or activation of warning lights during low-speed maneuvers. You may also notice intermittent stability-control interventions or stored diagnostic codes related to wheel speed inputs.
Where is the ABS sensor location on a Mercedes-Benz GLA?
On the Mercedes-Benz GLA, wheel speed sensors are mounted at each wheel hub near the tone ring or reluctor on the axle flange. They are positioned to sense the rotating toothed ring and route wiring along suspension components toward the vehicle harness.
Can I perform an ABS sensor wiring test myself?
You can perform basic wiring checks with a multimeter by testing continuity, resistance, and for short circuits to ground. Visual inspection of connectors, pins, and harness routing often reveals damage. More advanced signal testing at the ECU or scope requires specific tools and experience.
Will replacing a wheel speed sensor clear ABS sensor code P0500?
Code P0500 refers to vehicle speed sensor issues and may be related to a faulty wheel speed sensor, wiring fault, or ECU input problem. Replacing a sensor can resolve the code if the sensor or its wiring is the root cause, but proper diagnosis is recommended before replacement.
Should I choose OEM or aftermarket wheel speed sensor parts?
OEM parts often match original fit and specifications closely, which can simplify installation. Many aftermarket options also meet or exceed required specifications and offer improved corrosion protection or enhanced connectors. Evaluate fit data, electrical specs, and build quality rather than relying solely on label.
How do I approach ABS sensor faulty diagnosis effectively?
Start with a visual inspection of the sensor, wiring, and connector for damage or corrosion. Use a multimeter to check resistance and continuity, and scan for stored codes to identify which wheel circuit reports faults. If tests point to the sensor, replace it and verify drive-cycle behavior to ensure the issue is resolved.
How We Chose the Best Mercedes-Benz GLA ABS Wheel Speed Sensor
We screened sensors based on vehicle-specific fit, electrical signal fidelity, and durability under typical driving conditions for the Mercedes-Benz GLA. Key technical criteria included connector and mounting compatibility with GLA hubs, output signal consistency across vehicle speeds, resistance to moisture and debris, and thermal tolerance for engine-bay and wheel-well locations. We also considered longevity factors such as corrosion-resistant terminals and robust housing materials, plus ease of installation and availability of mounting hardware or grommets. We excluded generic, non-vehicle-specific sensors that lack confirmed fit data or do not supply clear electrical specifications. Units without tested resistance ranges or those that omit sealing details were not considered. The final list emphasizes sensors that meet fitment needs, provide predictable signal performance, and offer installation practicality for Mercedes-Benz GLA owners.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a Mercedes-Benz GLA ABS wheel speed sensor, prioritize fit and reliable signal output first, then assess environmental sealing and wiring quality. Proper fit and clean electrical characteristics reduce false warnings and ensure stable ABS and traction-control operation. Expect tradeoffs between convenience and long-term durability. Focus on sensors that clearly document fitment and electrical specs, provide robust sealing and connector quality, and offer straightforward installation to minimize repeat visits and restore predictable braking behavior.
Explore More:
- Check out all Mercedes-Benz GLA parts & accessories
- Explore Electrical System
- Browse all Auto Parts
