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When a wheel speed sensor on your Mercedes-Benz E-Class falters, you can experience unstable braking behavior, faulty traction control, or diagnostic codes. Choosing the right ABS wheel speed sensor matters because fit, signal fidelity, and durability directly affect braking system performance and vehicle diagnostics. This guide presents seven shortlisted options that meet core fitment and quality standards for the E-Class. We evaluated each pick for electrical compatibility, build durability, and installation practicality to help you find a reliable replacement. Read on to see which sensors made the list and why they passed our selection filters.
Looking for other parts? See all Mercedes-Benz E-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 (Rear Left & Right) |  |
| Most Popular A crowd favorite that many people choose with confidence | SDYYDS ABS Wheel Speed Sensor (Front Left & Right) |  |
| Best Quality Built to a higher standard if you want something more solid | Motoforti ABS Wheel Speed Sensor Set (4-pack) for Mercedes-Benz CLA/GLA/B-Class (2014–2018) |  |
| Best Budget The cheapest option that still gets the job done reliably | A-Premium Rear ABS Wheel Speed Sensor (Replacement for 2115401217) — Rear Left/Right for Mercedes-Benz E/CLS Series |  |
| Most Sold A high-volume bestseller chosen again and again | A-Premium Front ABS Wheel Speed Sensor Set for Mercedes-Benz S-Class/CL550 (Front Left & Right) |  |
| Best Value for Money The sweet spot between price and what you get | SDYYDS Rear Left & Right ABS Wheel Speed Sensor for Mercedes-Benz E-Class (2115401217) |  |
| Best Overall The best all-around choice for most situations | Bosch Wheel Speed Sensor (front) |  |
1. Broaug ABS Rear Wheel Speed Sensor Pair (Rear Left & Right)
| Maximum Supply Voltage | 12 Volts |
|---|---|
| Measurement Accuracy | ±1.5% |
| Measuring Range | 5 mph – 160 mph |
| Upper Temperature Rating | 150 Degrees Celsius |
| Material Type | Acrylonitrile Butadiene Styrene |
These Broaug rear ABS wheel speed sensors are intended as direct factory-quality replacements that send wheel speed data to the vehicle ABS/ESP control module. Sold as a pair for left and right rear positions, they plug into the factory harness and provide a sealed electrical connection with a protective sleeve on the wiring. Typical use is to replace failed or noisy rear speed sensors that trigger ABS lights or interfere with stability controls. Key features include a claimed measurement range covering low to high speeds, 12 V supply compatibility, and a high upper temperature rating for underbody placement. In practice the sensors offer straightforward plug-and-play installation and restore proper wheel-speed signals for braking and traction systems, improving directional stability and preventing false ABS errors. Limitations to consider are that these are aftermarket parts rather than factory-branded units and fitment must match the specific Mercedes-Benz part numbers listed; buyers should confirm compatibility with their E-Class variant and year before ordering. Installation may still require a lift or jack and basic tools.
Best for: Reliability-focused buyers who prioritize restoring proper ABS and stability system performance with a straightforward, serviceable replacement and prefer parts that replicate factory behavior.
Less Ideal for: Buyers seeking Mercedes-Benz branded OEM parts or those who prefer professional parts sourcing through a dealer should look elsewhere.
- Supplied as a pair covering both rear left and right positions for complete replacement
- Direct plug-and-play design intended to match factory connectors and simplify installation
- High temperature rating and sealed connector to withstand underbody conditions
- Measurement accuracy specification and broad measuring range support reliable wheel-speed reporting
- Aftermarket part rather than Mercedes-Benz factory-branded component
- Fitment depends on matching listed part numbers so incorrect selection can cause incompatibility
Verdict A practical, plug-and-play aftermarket pair that restores rear wheel-speed sensing for Mercedes-Benz models when you need a reliable, serviceable replacement rather than an OEM-branded unit.
2. SDYYDS ABS Wheel Speed Sensor (Front Left & Right)
| Measuring Range | 500 – 3000 RPM |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | NPN |
| Specific Uses For Product | Speed |
| Material Type | Acrylonitrile Butadiene Styrene |
This SDYYDS sensor kit supplies two front wheel speed sensors intended as direct replacements for Mercedes-Benz front applications listed by the manufacturer. It is a plug-and-play, flange-mount NPN output sensor with a measuring range stated between 500 and 3000 RPM, so it is used to provide the wheel-speed signal the ABS and stability systems require. The kit includes factory-style connectors, grommets, clips and a protective sleeve on the harness to simplify routing and help maintain a water-tight connection during installation. For a convenience-focused buyer the benefit is straightforward: a ready-to-install part that can clear ABS/traction warnings and restore related functions after a failed sensor with minimal wiring work. Limitations to note are that this is an aftermarket part from a smaller brand and the stated measuring range and NPN output must match the vehicle wiring and control module expectations; some vehicles need an OBDII reset and a short drive cycle to clear codes after installation.
Best for: Buyers who prioritize convenience and quick DIY fixes and want a ready-to-install replacement to get ABS and traction systems working again with minimal garage time.
Less Ideal for: Users seeking manufacturer-branded factory replacement parts or those who prefer professional diagnostic reprogramming and installation by a dealer.
- Plug-and-play flange-mount design for straightforward front-sensor replacement
- Includes factory-style connectors, grommets and clips for proper mounting and routing
- Protective sleeve on the harness reduces risk of wire damage during installation
- Supplied as a two-piece kit to replace both front left and right sensors at once
- Aftermarket brand so long-term durability may vary compared with factory sources
- Requires vehicle compatibility verification and may need an OBDII reset and drive cycle to clear codes
Verdict A convenience-focused, plug-and-play front sensor kit that restores ABS signals quickly for compatible Mercedes-Benz models, but verify electrical compatibility and expect an OBDII reset.
3. Motoforti ABS Wheel Speed Sensor Set (4-pack) for Mercedes-Benz CLA/GLA/B-Class (2014–2018)
| 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 as direct replacements for specified Mercedes‑Benz CLA, GLA and B‑Class model years. Each sensor outputs a digital signal and mounts with a flange mount design, so installation is typically a direct swap without special tools when the connector and mounting points match. The sensors are made from metal and plastic and are rated for automotive electrical systems up to 12 volts and temperatures up to 150 degrees Celsius, which suits normal driving and engine-bay exposure. For a performance-oriented driver the main benefit is restoring accurate wheel speed data to the ABS/traction control systems quickly and affordably, which can eliminate intermittent ABS warnings and improve stability systems response. Limitations are that this is a non‑OEM aftermarket set so fit and long‑term durability can vary compared with factory parts, and buyers should verify connector type and physical match before installation. The kit includes four sensors to cover front and rear positions, useful when replacing multiple faulty units at once.
Best for: Performance-oriented owners seeking a practical, full-set replacement to restore accurate ABS and traction control feedback and get a responsive driving setup back on the road quickly.
Less Ideal for: Drivers who prioritize exact factory-spec longevity or who prefer parts with documented OEM-equivalent testing should consider factory-quality replacements or dealer-sourced sensors.
- Supplies four sensors to replace front and rear units in one service visit
- Digital output and flange mount for straightforward plug‑in installation when matched to vehicle connectors
- Rated for 12V systems and up to 150°C so suitable for under-hood conditions
- Made with metal and plastic components for standard automotive durability
- Aftermarket, non‑OEM part so long-term reliability may differ from factory sensors
- Fitment requires careful comparison to the vehicle connector and mounting to avoid mismatch
Verdict A convenient four-piece aftermarket sensor kit that restores ABS wheel speed feedback quickly for performance-focused Mercedes-Benz drivers, provided you confirm an exact fit.
4. A-Premium Rear ABS Wheel Speed Sensor (Replacement for 2115401217) — Rear Left/Right for Mercedes-Benz E/CLS Series
| Connector Pins | 2 Pins |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | Digital |
| Material Type | Acrylonitrile Butadiene Styrene |
This A-Premium rear ABS wheel speed sensor replaces Mercedes-Benz part number 2115401217 and is sold as a single flange-mount sensor with a two-pin connector. It installs at either rear corner to feed wheel speed data to the ABS and traction control modules, so typical use is swapping a failed sensor to clear ABS/traction faults and recover stability control function. The part is a direct-fit aftermarket replacement that claims a fast response digital output and uses ABS plastic for the housing, which keeps it lightweight and corrosion resistant. Practical benefits include straightforward installation for a DIYer familiar with rear wheel suspension work and a one-year unlimited-mileage parts guarantee for basic coverage. Limitations are that this is an aftermarket unit rather than a factory part so quality can vary between batches, and some users report occasional nonfunctional units, so verify operation before final reassembly. Expect basic, functional performance at a budget price rather than premium OEM-level longevity.
Best for: Budget-conscious Mercedes-Benz E-Class and CLS owners who prioritize restoring ABS/traction control quickly and affordably and are comfortable doing or supervising a basic rear-suspension sensor replacement.
Less Ideal for: Drivers seeking long-term OEM-level durability or those who prefer a factory-brand sensor with extended manufacturer-backed support should consider factory-quality alternatives.
- Direct-fit replacement for Mercedes-Benz 2115401217 enabling straightforward swap at the rear left or right position
- Digital output with two-pin connector matches factory signal type for ABS and traction control
- Flange-mount design and ABS plastic housing resist corrosion and simplify installation
- One-year unlimited-mileage parts guarantee provides basic post-purchase protection
- Aftermarket build quality can vary and some units have been reported nonfunctional
- Sold as a single sensor so buyers needing both sides must purchase two units
Verdict A cost-effective direct-fit rear ABS speed sensor for Mercedes E/CLS models that restores ABS function affordably but may not match OEM longevity.
5. A-Premium Front ABS Wheel Speed Sensor Set for Mercedes-Benz S-Class/CL550 (Front Left & Right)
| Compatible Models | Mercedes-Benz CL550 2009-2014; S350 2012; S550 2007-2013 |
|---|---|
| Location | Front Left and Right |
| Number of Pins | 2 |
| Maximum Voltage | 12 Volts (DC) |
These two front ABS wheel speed sensors are sold as a driver and passenger pair intended to replace failing factory sensors on compatible Mercedes-Benz S and CL models. They install at the front wheel locations and use a two-pin connector and 12 V electrical rating, which makes them a direct electrical match to the factory harness. In practice the kit is used to restore wheel-speed signal for ABS and traction systems after the original sensors fail or are damaged. The product emphasizes factory-spec performance and long lifespan, and many buyers report straightforward installation and reliable operation. However fitment has been inconsistent for some model years, so careful verification of part numbers and physical mounting is important before installation. The set includes basic connector and mounting compatibility but does not come with extra brackets or plugs beyond the two sensors, so expect to reuse existing hardware where required. For a risk-averse buyer this offers a budget-friendly factory-replacement style option with a one-year parts guarantee.
Best for: Risk-averse mainstream buyers who prioritize restoring factory-style ABS and traction function on their Mercedes-Benz with a predictable, parts-focused replacement.
Less Ideal for: Owners who need guaranteed direct-fit replacements without any fitment verification or those who prefer dealer-sourced genuine parts and support.
- Sold as a matched front left and right pair for complete axle replacement
- Two-pin connector and 12 V rating match factory electrical systems
- Manufactured to meet or exceed factory specifications according to the listing
- One-year unlimited-mileage parts guarantee
- Some buyers reported incorrect physical fit for certain model years despite stated compatibility
- Does not include extra mounting hardware or adaptors if originals are damaged
Verdict A cost-conscious, factory-style front wheel speed sensor pair for S-Class/CL models that can restore ABS function but requires careful fitment verification before purchase.
6. SDYYDS Rear Left & Right ABS Wheel Speed Sensor for Mercedes-Benz E-Class (2115401217)
| Maximum Supply Voltage | 12 Volts |
|---|---|
| Mounting Type | Flange Mount |
| Output Type | electrical signal |
| Specific Uses For Product | Speed |
These SDYYDS rear ABS wheel speed sensors are sold as a pair and are intended as a direct replacement for the factory rear sensors on compatible Mercedes-Benz E-Class models. They plug into the existing harness and use flange mounting for straightforward installation, so a typical DIYer or technician can swap them without modifying wiring. The sensors report vehicle speed via an electrical signal and include OE-style connectors, protective wiring sleeves, grommets, and clips to help ensure a weather-tight connection and correct routing. Practical benefits are accurate speed readings restored to the ABS/traction systems and a fitment that reviewers say matches factory mounting points. Limitations to note are that this is an aftermarket part from a smaller brand rather than a factory part, and long-term durability depends on installation and local driving conditions. Also the product listing lists a model number and multiple interchange references, so confirming exact fitment for your year and trim of E-Class before ordering is advised.
Best for: A practical optimizer who wants a low-cost, serviceable replacement that restores ABS and traction system function without professional recalibration and prefers a straightforward DIY-friendly swap.
Less Ideal for: Owners seeking an exact factory-manufactured sensor from Mercedes-Benz or those who prioritize long-term OEM-backed warranties should consider alternatives.
- Direct plug-and-play design with flange mount for easy replacement of factory rear sensors
- Includes OE-style connectors, grommets, clips, and protective wire sleeve to match factory routing
- Reports speed as an electrical signal compatible with ABS and traction control systems
- Compatible with a range of Mercedes-Benz E-Class model years listed for straightforward fit confirmation
- Aftermarket brand with limited long-term performance history compared with factory parts
- Listing requires buyers to verify exact vehicle fitment from interchange numbers before purchase
Verdict A budget-friendly, plug-and-play rear ABS speed sensor pair that restores ABS functionality on compatible Mercedes-Benz E-Class models if you confirm correct fitment.
7. Bosch Wheel Speed Sensor (front)
| 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 that supplies wheel-speed data to ABS, traction control and stability systems on compatible Mercedes models. It mounts in the factory flange location, uses OEM-style connectors and a push-pull output so the vehicle computer recognizes it without extra programming. In regular use it restores proper wheel-speed feedback to stop false ABS or traction warnings and to recover normal braking and stability behavior. Notable features from the manufacturer include interference-resistant magnetic sensing, ±1% measurement accuracy and a 16 volt maximum supply rating, which together support reliable readings under common driving conditions. Installation is straightforward for a competent DIYer or a shop since it is sold individually and sized for the factory attachment points. The sensor is plastic-bodied and rated to about 200 degrees Fahrenheit, so it performs for typical under-hood and wheelhouse temperatures but may wear sooner than heavy-duty metal-style sensors in extreme environments.
Best for: Balanced buyers who want a factory-quality replacement that restores ABS and stability system function without fuss and prefer a tried-and-tested brand for routine repairs.
Less Ideal for: Drivers who frequently operate in extreme off-road or high-heat conditions and need heavy-duty metal sensors or those who prefer to replace both sensors at once for preventative maintenance.
- Direct-fit front sensor with OEM-style connector for hassle-free installation
- Interference-resistant magnetic design for stable readings in typical driving conditions
- Manufacturer-stated ±1% measurement accuracy for precise wheel-speed reporting
- Compatible with vehicle ABS/traction/stability systems to clear warning lights when faulty sensor is replaced
- Constructed from ABS plastic which may be less durable than metal-bodied sensors in severe conditions
- Sold individually so both sides must be purchased separately when replacing a pair
Verdict A reliable, factory-style front wheel speed sensor that restores ABS and stability system function for a balanced, no-nonsense replacement, but buy a second unit if you need both sides replaced.
Choosing the Right Mercedes-Benz E-Class ABS Wheel Speed Sensor: Key Factors to Consider
Electrical Compatibility and Signal Type
Wheel speed sensors produce a specific type of electrical signal and require compatible connector pinouts to communicate with the vehicle's ABS module. Confirming voltage output range, signal waveform expectations, and connector polarity matters because mismatched signals can trigger diagnostic trouble codes or prevent the module from interpreting wheel speed correctly.
Matching the sensor's electrical characteristics ensures stable speed readings for ABS, traction control, and stability systems. It also reduces the risk of intermittent faults caused by poor signal amplitude or excessive electrical noise.
Mechanical Fit and Mounting
Correct mechanical fitment is essential for secure mounting and accurate air gap to the tone ring or reluctor. Dimensions such as mounting flange shape, thread size, and sensor tip length determine whether the sensor sits at the intended distance from the wheel hub reluctor.
Improper fit can lead to rubbing, erratic readings, or sensor damage. Choosing a sensor built to match E-Class hub geometry avoids the need for adapter modifications and simplifies installation.
Connector and Harness Length
Connector type and harness length affect whether the sensor plugs directly into the factory wiring without splicing. A matching connector prevents loose connections and reduces exposure of terminals to corrosion.
Adequate harness length ensures the wire routing follows factory paths and strain-relief points, which helps protect the wiring from road debris, heat, and chafing. Short or incorrect-length leads can complicate installation and compromise long-term reliability.
Environmental Sealing and Material Durability
Sensors on wheel hubs are exposed to moisture, salt, dirt, and temperature swings, so robust sealing and corrosion-resistant materials matter. Look for sensors with molded seals, protective boots, and housings resistant to abrasion and chemical exposure.
Better sealing reduces the risk of water ingress and connector corrosion, which are common causes of premature sensor failure. Durable materials also help the sensor withstand impacts and road-spray over time.
Signal Noise Immunity and Shielding
Electrical interference from other vehicle systems can corrupt the sensor signal if the component lacks proper shielding or cable design. Twisted-pair wiring, braided shielding, or grounded housings help maintain a clean signal under real-world electrical loads.
Choosing a sensor with good noise immunity reduces false ABS events, intermittent faults, and spurious diagnostic codes, leading to more reliable braking and stability system behavior.
Serviceability and Installation Ease
Ease of installation affects the time and risk involved in replacing a wheel speed sensor. Features such as integrated mounting clips, pre-attached connectors, and clear installation orientation save labor and reduce the chance of improper fitting.
Serviceable designs also make future replacements simpler. Consider whether the sensor requires special tools or hub disassembly, and whether replacement can be completed using common shop equipment.
FAQ
What are common symptoms of a failing ABS wheel speed sensor on a Mercedes-Benz E-Class?
A failing sensor often causes the ABS or traction control warning lights to illuminate and may produce erratic braking behavior or disabled stability aids. You might notice inconsistent speedometer readouts or diagnostic trouble codes related to wheel speed. Symptoms are usually intermittent at first and can become persistent as the sensor or its wiring degrades.
Where is the ABS wheel speed sensor located on the Mercedes-Benz E-Class?
On the E-Class, wheel speed sensors are mounted close to the wheel hub or steering knuckle, aligned with the tone ring or reluctor on the hub assembly. Exact placement varies by axle and model year, but they are generally accessible once the wheel and, if required, brake components are removed for service.
How can I check whether the ABS sensor or wiring is faulty?
Basic checks include a visual inspection for damaged wiring, corroded connectors, or physical damage to the sensor housing. An electrical test with a multimeter or oscilloscope can confirm continuity, resistance, and signal waveform while rotating the wheel. Many codes and symptoms also respond to cleaning connectors and reseating plugs, but persistent faults usually need sensor replacement or wiring repair.
Will replacing a wheel speed sensor clear ABS-related fault codes?
Replacing a faulty sensor often resolves codes linked to that sensor, but stored codes may require clearing with a diagnostic tool after the repair. If the underlying cause is wiring damage or module issues, replacing the sensor alone might not clear the fault. It is usually helpful to verify signal output before and after replacement to confirm resolution.
Should I choose an OEM part or an aftermarket sensor for the E-Class?
Both OEM and reputable aftermarket sensors can be suitable provided they match the required electrical and mechanical specifications. OEM parts are designed to factory tolerances, while quality aftermarket options may offer comparable fit and durability. Focus on documented compatibility, connector type, and build quality rather than label alone.
Can a bad wheel speed sensor affect speedometer accuracy?
Yes, a malfunctioning wheel speed sensor can produce incorrect wheel speed data, which some vehicle systems use for speedometer input. This can lead to erratic or inaccurate speed readings. Verifying the sensor signal and hub tone ring condition helps determine whether the sensor is the source of speedometer issues.
How We Chose the Best Mercedes-Benz E-Class ABS Wheel Speed Sensor
We prioritized sensors with documented electrical specifications that match Mercedes-Benz E-Class signaling requirements, verified mechanical fit characteristics for E-Class wheel hubs, and materials and sealing rated for typical road and weather exposure. Component-level durability, such as robust connector construction and corrosion-resistant materials, was assessed because long-term reliability is critical for brake-system sensors. We also considered installation practicality, including harness length and connector type, to reduce fitment issues during replacement. Signal quality and noise immunity were included as an evaluation dimension, since a clean, stable output prevents intermittent ABS and traction control faults. We excluded products lacking clear electrical or fitment data, items with non-replaceable connector styles incompatible with E-Class harnesses, and sensors without adequate environmental sealing information. The resulting shortlist reflects parts that meet core vehicle-specific compatibility, electrical performance, and durability criteria relevant to the Mercedes-Benz E-Class.
Our full evaluation process is outlined in our review methodology.
Conclusion
Prioritize electrical compatibility, correct mechanical fit, and robust environmental sealing when choosing a Mercedes-Benz E-Class ABS wheel speed sensor. These factors most directly affect signal reliability, installation success, and long-term performance. Balance ease of installation and wiring integrity against durability and noise immunity. Addressing sensors and wiring proactively helps maintain ABS and stability system function and reduces the likelihood of intermittent faults.
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