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If your Mercedes-Benz GLA struggles to crank or shows intermittent starting problems, replacing the starter motor is one of the most direct fixes. Choosing the right starter matters because fitment, electrical output, and build quality affect how reliably the car will start in daily driving and under stress. This guide presents seven shortlisted starter motors chosen for their compatibility, durability, and electrical performance. Below you will find the top picks along with the evaluation criteria we used to narrow the field and help you decide which option matches your needs.
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 | keriolee 17920N Starter Motor for Mercedes-Benz C230 / C250 / SLK250 (12V, 1.1 kW, 9T, Clockwise) |  |
| Most Popular A crowd favorite that many people choose with confidence | PHILTOP 17852N Replacement Starter Motor 12V 1.4kW (10-Tooth) |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Starter Motor for Mercedes-Benz (L4 2.0L, 12V, 1.7KW, 13T, CW) |  |
| Best Budget The cheapest option that still gets the job done reliably | NewYall 1.4 kW 12V Starter Motor for Mercedes-Benz (10 Teeth) |  |
| Most Sold A high-volume bestseller chosen again and again | TYC Starter Motor 1-17757 Compatible with 1998-2002 Mercedes Benz E-Class |  |
| Best Value for Money The sweet spot between price and what you get | A-Premium 12V 1.4kW Starter Motor (10 Teeth, Clockwise) for Mercedes-Benz |  |
| Best Overall The best all-around choice for most situations | SZKAIDAG Starter Motor for Mercedes-Benz (fits select V6 models) |  |
1. keriolee 17920N Starter Motor for Mercedes-Benz C230 / C250 / SLK250 (12V, 1.1 kW, 9T, Clockwise)
| Voltage | 12 Volts |
|---|---|
| Wattage | 1.1 KW |
| Rotation | Clockwise |
| Number of Teeth | 9 |
This keriolee 17920N starter is a direct-replacement unit built to restore quick, dependable engine starts on compatible Mercedes-Benz vehicles. It converts electrical power into mechanical torque with a 1.1 kW motor and precision-machined 9-tooth gear that meshes with the flywheel to reduce engagement noise and vibration. Typical use is straightforward: remove the failed starter and install this unit in its place to return normal cranking performance. Notable features include copper windings and a guided output shaft sleeve aimed at stable engagement and longer life compared with lower-quality aftermarket assemblies. Real-world benefits are faster, quieter starts and a part that mimics factory fit for an easier installation. Limitations to consider are that this is an aftermarket replacement rather than an original Mercedes-Benz part and long-term durability can vary with driving conditions and installation care. Also rotation is clockwise and fitment must match the vehicle year and engine variant to avoid compatibility issues.
Best for: Reliability-focused buyers who prioritize restoring dependable, quiet starting on their Mercedes-Benz and want a straightforward replacement that closely matches factory function.
Less Ideal for: Buyers seeking an OEM-branded starter or those who prefer dealer installation and full factory-backed warranty coverage should consider dealer-sourced options instead.
- Direct-fit design tailored for specified Mercedes-Benz models for straightforward replacement.
- 1.1 kW high-torque motor and copper windings for consistent cranking performance.
- Precision-machined gear and output shaft sleeve reduce noise and improve engagement stability.
- Aftermarket unit so long-term durability may not match factory-original parts.
- Compatibility depends on exact year and engine variant so fitment must be confirmed before ordering.
Verdict A budget-friendly, reliability-minded aftermarket starter that restores quiet, high-torque starting for compatible Mercedes-Benz models when exact fitment is confirmed.
2. PHILTOP 17852N Replacement Starter Motor 12V 1.4kW (10-Tooth)
| Voltage | 12 Volts (DC) |
|---|---|
| Wattage | 1.4 KW |
| Rotation Direction | CW |
| Tooth Pinion | 10 |
This PHILTOP 17852N replacement starter is a direct-replacement style unit built to the common Bosch PMGR specification with a 10-tooth pinion and clockwise rotation. It is intended to swap into vehicles that use the 17852N reference and aims for plug-and-play installation without drilling or modification. The unit lists 1.4 kW output, pure copper windings, a laminated steel core, and an aluminum housing, and the listing states it has passed endurance, corrosion, temperature, and vibration tests. In practice you can expect quick cranking and quiet engagement when it fits and is installed correctly. Several buyers report easy installs and reliable starts, but others note fitment or dimensional mismatches that prevented installation, so double-checking the part number and mounting alignment is essential. If it installs cleanly, it offers a cost-effective replacement with factory-style performance; if the bolt pattern or pinion spec does not match your vehicle, you may need a different unit or professional help to confirm compatibility.
Best for: Convenience-driven buyers who prioritize a ready-to-install, affordable replacement that lets them get the car back on the road quickly with minimal fuss.
Less Ideal for: Buyers who need guaranteed direct fit without any verification or who require dealer-sourced parts with factory interchange certification should consider other options.
- Matches common Bosch PMGR 17852N reference and 10-tooth pinion for straightforward replacements when compatible.
- 1.4 kW output and copper windings aim to deliver strong cranking performance and reliable engagement.
- Manufacturer claims extended endurance, corrosion, temperature, and vibration testing for durability.
- Designed for plug-and-play installation with no modifications when the part matches the vehicle.
- Fitment inconsistencies reported by some buyers indicate mounting hole alignment or dimensions may not match every vehicle despite the listed references.
- Not guaranteed to be identical to factory units in cosmetic or minor dimensional details across production batches.
Verdict A budget-friendly, plug-and-play style replacement that performs well when the 17852N fitment and mounting align with your vehicle, but confirm part references before buying.
3. A-Premium Starter Motor for Mercedes-Benz (L4 2.0L, 12V, 1.7KW, 13T, CW)
| Voltage | 12 Volts |
|---|---|
| Wattage | 1.7 KW |
| Number of Teeth | 13 |
| Rotation | Clockwise |
This A-Premium starter motor is a direct-replacement style unit built to operate Mercedes-Benz 2.0L four-cylinder engines that use a 12V, 1.7 kW starter with clockwise rotation and 13 teeth. It installs in place of a failed starter and is used exactly like the factory unit to engage the engine during cranking. Notable features listed by the manufacturer include the 1.7 kW power rating and the 13-tooth pinion with clockwise rotation, which indicate adequate torque and correct mechanical engagement for compatible Mercedes-Benz systems. Buyers will appreciate that it is a metal-bodied unit with a one-year unlimited-mileage guarantee and that multiple user reports describe reliable, long-term starts when fitted correctly. Limitations to consider are that fitment must match the vehicle reference numbers and engine variant exactly, and some buyers may prefer purchasing from a dealer-backed factory replacement for warranty or original-equipment continuity. Expect a straightforward swap-in replacement when it matches the car's starter reference numbers.
Best for: Performance-oriented Mercedes-Benz owners seeking a high-quality, direct-replacement starter to restore reliable cranking and engine response while prioritizing robust starting performance.
Less Ideal for: Buyers who want dealer-origin factory replacement parts with manufacturer-backed service plans or those unsure of the exact starter reference numbers should consider alternatives.
- Designed to match factory starter specifications for 2.0L Mercedes-Benz four-cylinder engines
- 1.7 kW power rating provides solid cranking performance for higher-compression petrol engines
- 13-tooth pinion and clockwise rotation ensure correct mechanical meshing when matched to vehicle
- Metal construction for durability and repeated use
- Backed by a one-year unlimited-mileage guarantee for part replacement coverage
- Compatibility depends on matching reference numbers and specific engine variant rather than broad model years
- Not a dealer-supplied factory replacement so installation labor or associated issues may not be covered beyond the part guarantee
Verdict A solid, performance-focused direct-replacement starter for Mercedes-Benz 2.0L engines when reference numbers and rotation match the vehicle, offering strong cranking power at a value compared with dealer options.
4. NewYall 1.4 kW 12V Starter Motor for Mercedes-Benz (10 Teeth)
| Amperage | 116 Amps |
|---|---|
| Voltage | 12 Volts (DC) |
| Wattage | 1400 watts |
| Rotation | Clockwise |
This NewYall starter motor is a compact, 1.4 kW, 12V replacement unit intended to restore starting function on compatible Mercedes-Benz vehicles. It installs where the factory starter sat and engages with a 10-tooth pinion in a clockwise rotation. In practice it provides the basic cranking power needed to start the engine and is useful for owners replacing a failed starter without paying dealer prices. The motor’s metal construction and 116 amp rating indicate it can handle typical starting loads, and its direct-replacement form avoids the need for major modifications. Expect straightforward bench- or vehicle-side swaps but allow time for bolt access and electrical reconnections on the GLA chassis. Limitations include its non-OEM branding and fewer documented long-term durability records than factory parts, so longevity can vary and occasional reconditioning or replacement may be needed sooner than an OEM unit.
Best for: Practical, budget-conscious Mercedes-Benz owners who prioritize a low-cost functional replacement to get a GLA back on the road without dealer pricing concerns.
Less Ideal for: Owners seeking a long-term factory-quality replacement, extended warranty coverage, or performance upgrades should consider OEM or premium remanufactured starters instead.
- Budget-friendly replacement that cuts substantially below dealer part costs
- Direct-replacement design with 10-tooth pinion and clockwise rotation for straightforward fitment
- 116 amp / 12V specification suitable for normal cranking loads on affected Mercedes-Benz engines
- Not a factory-brand starter so long-term durability and exact fitment tolerances may differ from factory-quality parts
- Compatibility covers many Mercedes models but requires confirming specific GLA year and engine fit before purchase
Verdict A cost-effective direct-replacement starter that makes sense for budget-focused Mercedes-Benz owners who need a working unit quickly but are willing to accept potential longevity trade-offs.
5. TYC Starter Motor 1-17757 Compatible with 1998-2002 Mercedes Benz E-Class
| Voltage | 12 Volts (DC) |
|---|---|
| Amperage | 22 Amps |
| Wattage | 1.4 KW |
| Phase Type | Three Phase |
This TYC starter motor is a new, direct-replacement unit designed to match factory fit and function for compatible Mercedes-Benz applications. It delivers 12 volts and 22 amps with a 1.4 kW rated output and three-phase design, which translates to reliable cranking power for starting the engine. Typical use is straightforward: remove the failed starter and drop in this unit using existing mounting points for a bolt-in replacement. Notable features include all-new internal components such as bearings, brushes, armature, sealed field case and a new solenoid which eliminate core-charge returns common with remanufactured parts. Practical benefits are immediate: faster engine spin-up, consistent starts, and the convenience of a fully new assembly rather than a rebuilt core. Limitations to consider are that fitment must be confirmed against the vehicle application and some buyers report the included fasteners may not match OEM quality so reusing original hardware can be necessary; installation can be moderate in difficulty on some Mercedes models. For a risk-averse buyer this unit offers factory-style reliability at a lower cost than dealer parts.
Best for: Practical, risk-averse buyers who prioritize a reliable factory-style replacement over a rebuilt unit and want a straightforward fix that avoids returning cores.
Less Ideal for: Shoppers seeking an exact dealer-original part with OEM-branded packaging or those unwilling to verify fitment or perform a moderate installation themselves.
- All-new internal components (bearings, brushes, armature, solenoid) for longer service life versus remanufactured units
- Built to meet factory specifications for direct drop-in fit where compatible
- Fully tested with computerized load and power checks for reliability
- No core charge required since the unit is brand new
- Included fasteners may be lower quality than factory hardware and some users reuse original bolts
- Compatibility must be checked carefully for your specific Mercedes model and year
Verdict A tested, all-new starter that gives risk-averse Mercedes owners a factory-style replacement without a core charge, provided you confirm fitment before buying.
6. A-Premium 12V 1.4kW Starter Motor (10 Teeth, Clockwise) for Mercedes-Benz
| Voltage | 12 Volts |
|---|---|
| Wattage | 1.4 KW |
| Amperage | 1.16 Amps |
| Rotation | Clockwise |
This A-Premium starter motor is a direct-replacement style unit designed to crank Mercedes-Benz engines that accept a 12V, 1.4 kW starter with a 10-tooth, clockwise pinion. It is intended to be used as a factory-quality replacement when a vehicle’s original starter fails. The unit includes common features buyers expect: a rated 1.4 kW power output for reliable cranking, standard 12V electrical compatibility, and a metal construction that should handle normal under-hood conditions. Many buyers report good fit and function when it matches the vehicle’s reference numbers, and the one-year unlimited-mileage guarantee provides short-term peace of mind. Important limitations are fitment sensitivity and interchange references — this starter only works where the tooth count, rotation, and mounting match the vehicle’s flywheel and electrical connections, so double-check reference numbers before installing. Some purchasers reported compatibility problems on certain model years, which means you may need to confirm fitment with the vehicle’s build details before buying.
Best for: Buyers who prioritize practical, cost-effective repairs and want a reliable replacement starter that matches factory specifications when the part references align with their vehicle.
Less Ideal for: If you need a guaranteed direct fit without cross-checking reference numbers or require dealer-level compatibility support, consider a dealer-sourced factory replacement or professional parts service instead.
- Factory-replacement style power rating of 1.4 kW suitable for typical Mercedes-Benz starting demands
- Standard 12V electrical compatibility with common vehicle systems
- Metal construction for durability under normal engine-bay conditions
- Includes a one-year unlimited-mileage guarantee for parts coverage
- Fitment is specific to certain reference numbers and tooth/rotation specs so incorrect selection will prevent engagement with the flywheel
- No detailed vehicle-specific installation guidance included, which can make DIY fitting harder for tight engine bays
Verdict A practical, budget-minded replacement starter with factory-style power if you verify the tooth count and reference numbers before buying.
7. SZKAIDAG Starter Motor for Mercedes-Benz (fits select V6 models)
| Voltage | 12 Volts |
|---|---|
| Wattage | 1.4 KW |
| Phase Type | Single Phase |
| Rotation | CW (Clockwise) |
This SZKAIDAG starter motor is a direct-replacement style unit built to the common specifications Mercedes-Benz engines require and is intended for bolt-in replacement where the OE number and connector match. It supplies 1.4 kW of cranking power, a 10-tooth pinion and clockwise rotation, so it starts engines the same way a factory starter does. Typical use is a professional or DIY replacement when the original starter fails or shows slow cranking; installation requires confirming the OE part number and comparing mounting and electrical connections. Notable features include a pressed copper/graphite brush holder for reliable electrical contact, a geared reduction box for higher torque at low speed, and an electromagnetic switch treated for corrosion resistance. Practical benefits are straightforward compatibility where fitment matches, quiet operation thanks to claimed silent-technology design, and construction aimed at long-term durability. Limitations are that fitment must be verified carefully against OEM numbers and VIN because the listing covers many models, and installation can be tricky in tight engine bays or on late-model Mercedes variants with complex wiring or mounts.
Best for: Balanced, all-round buyers who want a cost-effective factory-style replacement that aims to restore reliable starting without overspending and who prioritize overall value and durability.
Less Ideal for: Drivers seeking a performance-upgrade starter or those unwilling to verify exact OEM fitment and wiring details should look for alternatives or professional installation services.
- 1.4 kW rated output suitable for reliable engine cranking on compatible Mercedes V6 engines.
- Geared reduction design increases starting torque while reducing load on the electric motor.
- Brush holder made from pressed copper and graphite powder for consistent conductivity.
- Electromagnetic switch with corrosion-resistant treatment to improve longevity.
- Quiet operation claimed, which can reduce cabin noise during starting.
- Fitment scope in the listing covers many models so buyers must match OE numbers and physical connections before purchasing.
- Installation can be tight or awkward on some Mercedes engines, potentially requiring professional help.
Verdict A practical, factory-style 1.4 kW replacement starter for compatible Mercedes-Benz models that balances reliability and value when OE numbers and connections are confirmed.
Choosing the Right Mercedes-Benz GLA Starter Motor: Key Factors to Consider
Fitment and Compatibility
Exact fitment ensures the starter motor mounts correctly and aligns with the flywheel or flexplate teeth. Using a unit specified for the Mercedes-Benz GLA avoids clearance issues, misaligned drives, and unintended stresses on the bellhousing.
Compatibility also covers electrical connections and solenoid terminals. Starters that match factory connector types reduce the need for splicing or adapter harnesses, lowering the chance of poor electrical contact that can cause starting faults. Always confirm engine code and year when checking fitment.
Electrical Performance and Torque
Electrical performance defines how effectively the starter turns the engine under load. Higher torque ratings help the starter spin a cold engine or an engine with higher compression more reliably.
Amperage draw and efficiency matter too because excessive current demands can strain the battery and charging system. Choose starters with documented torque and current specifications that align with factory recommendations to ensure consistent starting without overtaxing the vehicle’s electrical system.
Build Quality and Durability
Materials and internal design influence how long a starter will last under regular use. Robust pinion drives, quality bearings, and corrosion-resistant housings reduce wear and prevent premature failures.
Pay attention to sealed bearings, hardened gears, and protective coatings that guard internal parts from moisture and road contamination. Durability is particularly important for vehicles used in stop-start city driving or cold climates where starters see more frequent cycles.
Solenoid and Electrical Connections
The solenoid both engages the starter drive and completes the high-current circuit. Reliable solenoid operation reduces instances of intermittent engagement or clicking noises.
Inspect whether replacement parts or rebuild kits are available for the solenoid and related terminals. Starters engineered for easy access to the solenoid simplify repairs and lower long-term ownership effort. Properly designed electrical connections also help prevent voltage drop that can impair cranking speed.
Installation Complexity
Installation difficulty affects labor time and the likelihood of installation errors. Factors include starter location, required tools, and whether removal of ancillary components is necessary.
A starter that follows factory mounting points and connector layouts will be simpler to install and less prone to alignment mistakes. Consider whether the design allows you to reuse the original heat shields and brackets or requires additional adaptations, as that impacts overall replacement time.
Warranty and Support Availability
Warranty terms provide a safety net if a unit fails prematurely. Longer coverage and clear support channels reduce uncertainty when issues arise.
Support availability also includes access to replacement parts such as brushes, solenoids, and mounting hardware. Good documentation and customer support can speed repairs and ensure proper fitment guidance for specific Mercedes-Benz GLA variants.
FAQ
What are common starter motor symptoms in a Mercedes-Benz GLA?
Common symptoms often include slow cranking, repeated clicking when you turn the key, or no response at all. You may also notice intermittent starts where the engine begins normally one time and fails the next. Often these signs indicate issues with the starter itself, the solenoid, or the related electrical connections rather than the battery alone.
How can I test a starter on my Mercedes-Benz GLA?
A basic starter test usually involves checking battery voltage under load and observing starter behavior while attempting to crank. Measuring voltage at the starter terminal during cranking can reveal excessive voltage drop. Professional diagnostics may include bench testing the starter or using a starter draw tester to check amperage and torque under controlled conditions.
Will a bad starter motor make a clicking noise?
Yes, a faulty starter or solenoid commonly causes a rapid clicking noise when attempting to start. Clicking often indicates the solenoid is trying to engage but the starter motor cannot spin the engine, possibly due to low current, worn internal components, or poor electrical connections. Listening carefully helps differentiate between a weak battery and starter-specific faults.
Are replacement parts available for starter motors?
Many starter motors are serviceable and have replacement parts like solenoids, brushes, and mounting hardware available. Availability varies by manufacturer and design. Choosing a unit with accessible replacement components can make repairs simpler and extend the service life of the starter.
How difficult is starter motor installation on a Mercedes-Benz GLA?
Installation complexity depends on the starter’s location and the vehicle’s engine layout. Some starters are accessible from underneath with basic hand tools, while others may require removal of components to gain clearance. If you are comfortable with moderate mechanical work and follow a repair manual, you can handle many installations, but professional installation is an option for tighter spaces or limited tools.
How We Chose the Best Mercedes-Benz GLA Starter Motor
We focused on criteria that matter specifically for Mercedes-Benz GLA starter motor replacements. Primary considerations included exact fitment to the chassis and engine variant, manufacturer electrical specifications such as torque and amperage draw, build quality and materials used in the drive and bearings, and warranty or support terms. We also evaluated ease of installation, availability of replacement parts like solenoids and mounting hardware, and documented reliability from repair records or user reports. Products were excluded if they lacked explicit fitment information for Mercedes-Benz GLA models, used unclear or nonstandard electrical specs, or had no access to replacement components. We prioritized units that balance robust mechanical design with predictable electrical behavior to minimize repeat failures and reduce installation complexity.
Our full evaluation process is outlined in our review methodology.
Conclusion
When choosing a starter motor for a Mercedes-Benz GLA, prioritize exact fitment, reliable electrical performance, and durable construction. Those factors have the biggest impact on real-world starting reliability and long-term ownership costs. Balance installation complexity and the availability of replacement parts or warranty coverage when deciding. Focusing on torque specs, proper solenoid function, and correct connectors will help you restore predictable engine cranking and reduce the chance of repeat repairs.
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