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Getting the right ignition coil matters because it directly affects starting, fuel efficiency, and engine smoothness. If an ignition coil is worn or failing, you may notice rough idling, reduced power, or hard starts, so choosing a correct replacement for your Mercedes-Benz GLE helps restore reliable operation. This guide covers seven shortlisted ignition coil options chosen for their suitability with the Mercedes-Benz GLE. We evaluated each one for fitment accuracy and electrical reliability, along with build quality and ease of installation. Read on to see which options meet the most common needs and the criteria we used to select them.
Looking for other parts? See all Mercedes-Benz GLE parts & accessories.
Top Picks at a Glance
| Best Reviewed A top-rated pick with lots of positive feedback | ENA Ignition Coil and Iridium Spark Plug Kit for Mercedes-Benz V6 |  |
| Most Popular A crowd favorite that many people choose with confidence | Bosch Original Equipment Ignition Coil – Single |  |
| Best Quality Built to a higher standard if you want something more solid | A-Premium Ignition Coil Pack and Iridium Spark Plugs — Set of 6 |  |
| Best Budget The cheapest option that still gets the job done reliably | PHILTOP Ignition Coil Pack Set of 4 compatible with Mercedes-Benz C250 SLK250 (2012–2015) |  |
| Most Sold A high-volume bestseller chosen again and again | Bosch Ignition Coil (0221604067) – Single |  |
| Best Value for Money The sweet spot between price and what you get | LCWRGS Set of 6 Ignition Coil Packs and Spark Plugs for Mercedes-Benz 3.5L V6 |  |
| Best Overall The best all-around choice for most situations | TRQ Ignition Coil Set, 6-Piece |  |
1. ENA Ignition Coil and Iridium Spark Plug Kit for Mercedes-Benz V6
| Terminal Quantity | 4 |
|---|---|
| Mount Type | Bolt On |
| Mounting Location | Valve Cover |
| Voltage | 12V |
| Spark Plug Gap | 0.032 in |
This ENA kit bundles six ignition coils with six platinum/iridium spark plugs designed to replace the factory ignition components on compatible Mercedes-Benz V6 engines. It is used as a full tune-up kit when replacing worn coils and plugs to cure misfires, rough idle, and reduced fuel economy. Notable features include a plug-and-play bolt-on coil design, valve-cover mounting, 12V compatibility, and pre-gapped spark plugs with a 0.032 inch gap and 12 mm thread. In practice the kit simplifies a complete ignition service because it supplies all six coils and plugs in one package and fits the vehicle-specific mounting and connector arrangement. Reported benefits include easier installation and restored engine smoothness. Limitations are that this is an aftermarket replacement, so longevity can vary compared with factory parts and individual plugs may show faster surface corrosion than OEM-grade iridium in harsh environments. Also confirm exact engine fit before ordering because timing and ignition variants differ across model years.
Best for: Reliability-focused buyers who prioritize restoring dependable, consistent engine operation with a full ignition refresh rather than piecing parts together.
Less Ideal for: Owners seeking exact factory-brand parts with proven long-term durability or those who prefer to replace only a single coil or plug at a time should consider alternatives.
- Complete six-cylinder kit includes all coils and plugs for a single service, avoiding part-matching headaches.
- Plug-and-play bolt-on coils and factory-style mounting make installation straightforward for a competent DIYer or tech.
- Pre-gapped platinum/iridium plugs reduce setup time and help restore consistent combustion and fuel economy.
- Covers common Mercedes-Benz V6 replacement part numbers for straightforward cross-referencing.
- Aftermarket construction means long-term durability may not match factory-quality components.
- Some users report the supplied spark plugs can corrode faster than higher-end OEM plugs in corrosive conditions.
Verdict A convenient, vehicle-specific six-cylinder kit that makes a full ignition tune-up easy and effective for restoring reliable V6 performance, with the usual endurance trade-offs of aftermarket parts.
2. Bosch Original Equipment Ignition Coil – Single
| Item Type Name | Ignition Coil |
|---|---|
| Connector Gender | Male |
| Automotive Fit Type | Vehicle Specific Fit |
| Included Components | Ignition Coil |
This Bosch ignition coil is a direct, vehicle-specific replacement intended to restore proper spark delivery to a single cylinder. It converts low battery voltage into the high voltage needed by the spark plug and is typically used when a misfire code or rough idle indicates a failing coil on a Mercedes-Benz GLE. The unit is built to meet factory-quality specs and includes a standard male connector and screw-in or bolt-on installation type so it installs like the original part. Buyers will appreciate Bosch's corrosion protection and mechanical stability, which help maintain consistent engine performance and reduced emissions after installation. On the downside this listing is for one coil only, so replacing multiple worn coils will require buying multiples, and one reviewer reported an occasional connector fit issue on a single unit. Fitment is vehicle specific so confirm the exact GLE engine and year before ordering. The coil is a pragmatic pickup for restoring smooth idle and eliminating misfires without upgrading ignition components.
Best for: Convenience-driven buyers who want a reliable, factory-quality replacement that installs like the original to quickly fix misfires and restore smooth operation on their Mercedes-Benz GLE.
Less Ideal for: Drivers looking to upgrade ignition performance beyond factory specifications or those who prefer to replace all coils in a set with a single purchase should consider other options.
- Factory-quality replacement that matches original fit and function
- Vehicle-specific design with a standard male connector for straightforward installation
- Engineered for corrosion protection and mechanical stability to support long-term reliability
- Sold as a single coil rather than a multi-pack
- One report of a unit with a connector that would not mate properly
Verdict A dependable, factory-quality single replacement coil for fixing misfires on a Mercedes-Benz GLE, best for owners who need a quick, OEM-like repair.
3. A-Premium Ignition Coil Pack and Iridium Spark Plugs — Set of 6
| Compatible engines | Mercedes-Benz V6 3.0L |
|---|---|
| Coil terminal quantity | 4 |
| Primary resistance | 0.1-0.12 ohms |
| Secondary resistance | 2.21-2.71 KΩ |
| Spark plug material | Iridium+Nickel |
This kit combines six ignition coils and six iridium spark plugs as a direct replacement for compatible Mercedes-Benz V6 3.0L engines. It is intended for bolt-on installation at the valve cover using the provided coil terminals and mounting hardware, with recommended installation torque of 15–20 N. The coils list low primary resistance and a specified secondary resistance range that match typical ignition requirements, while the iridium plugs are marketed to extend service life, stabilize idle, and improve starting, fuel efficiency, and emissions. In practice this means a one-package refresh of the ignition system that can restore misfire-free operation and reduce the need for frequent plug changes. Limitations include that this is a full set which may be more than needed if only a single coil is failing, and buyers should confirm exact fitment for their model year and engine variant before installing. The kit is best used as a coordinated replacement when addressing ignition-related drivability or maintenance for the specified Mercedes V6 applications.
Best for: Performance-oriented owners seeking a high-quality, coordinated ignition refresh for Mercedes-Benz V6 3.0L models who prioritize reliable spark, improved starting, and longer service intervals.
Less Ideal for: Buyers who need a single replacement coil or plug or those unwilling to verify precise model-year compatibility should consider other options.
- Complete kit includes six coils and six iridium spark plugs for a synchronized replacement
- Iridium center electrodes extend plug life and help maintain stable idle and starting behavior
- Coils specified with low primary and defined secondary resistance for compatible ignition performance
- Bolt-on mounting and listed installation torque simplify professional or DIY replacement
- Sold only as a full six-pack which may be unnecessary if only one or two coils/plugs fail
- Fitment covers many Mercedes V6 3.0L models so verifying exact year and engine sub-variant is required before purchase
Verdict A full six-coil and iridium-plug kit aimed at restoring strong, long-lasting ignition performance on Mercedes-Benz V6 3.0L models when replacing the entire bank
4. PHILTOP Ignition Coil Pack Set of 4 compatible with Mercedes-Benz C250 SLK250 (2012–2015)
| Compatible with Vehicle Type | Car |
|---|---|
| Part Interchange Info | UF658, 1502580; compatible with 2012-2015 C250; SLK250 |
| Connector Gender | male |
| Automotive Fit Type | Vehicle Specific Fit |
This PHILTOP coil pack set supplies four vehicle-specific ignition coils intended as direct replacements for Mercedes-Benz 2012–2015 C250 and SLK250 models. Installers use these coils to restore consistent spark delivery after an original unit fails or begins to misfire. The listing highlights OE interchange numbers (UF658, 1502580) for straightforward fitment and claims corrosion and high-temperature resistance for longer service life. In practical use the coils aim to reduce misfires and return smooth idle and throttle response, and the set includes housings to simplify swap-in replacement. Limitations to consider are typical for budget aftermarket parts: long-term durability can vary versus higher-end factory-quality coils, and some buyers may prefer OEM-branded units for guaranteed compatibility with advanced engine management. If your goal is an affordable, quick replacement to cure ignition-related drivability issues on the specified Mercedes models, this set targets that need, but expect to monitor longevity and replace sooner if used in high-mileage or heavily modified engines.
Best for: Budget-conscious buyers who need an affordable, direct-replacement ignition coil set to quickly fix misfires and restore normal engine running for the specified Mercedes models.
Less Ideal for: Drivers seeking guaranteed long-term OEM-level durability or owners of heavily modified Mercedes engines who need performance-grade coils should consider higher-end or factory-replacement options.
- Vehicle-specific fit for 2012–2015 Mercedes-Benz C250 and SLK250 for easier install
- Sold as a set of four so all coils can be replaced at once
- Claims high temperature and corrosion resistance to extend service life
- Includes coil housings which simplify direct replacement
- Aftermarket build quality may not match factory-quality coils for long-term durability
- Compatibility limited to specified Mercedes-Benz models only
Verdict A cost-focused, vehicle-specific replacement coil pack set that restores ignition function on the listed Mercedes models but may not match factory-grade durability.
5. Bosch Ignition Coil (0221604067) – Single
| Item Type Name | Ignition Coil |
|---|---|
| Model Number | 0221604067 |
| Installation Type | Bolt-On |
| Part Interchange Info | Interchange part. Check compatibility with your vehicle. |
This Bosch ignition coil is a vehicle-specific replacement engineered to supply consistent high voltage to the spark plug for smooth starting and stable running on compatible Mercedes-Benz engines. Installation is bolt-on and the coil features corrosion-resistant electrical connections and designed temperature and vibration resistance, so it is suitable for normal street use and highway driving. In practice this means quicker cold starts, steadier idle, and fewer misfires compared with a worn coil. Bosch notes the part meets or exceeds factory specifications and lists multiple OEM-equivalent part numbers for Mercedes applications, which simplifies matching to your GLE. Limitations: this is a single coil sold individually so replacing multiple failed coils will require extra purchases, and proper fitment must be verified against your vehicle’s exact part number because this is vehicle-specific. For buyers who prefer a known aftermarket brand that aims for factory-quality performance on Mercedes engines, this coil is a pragmatic choice.
Best for: Risk-averse mainstream buyers who prioritize dependable, factory-quality replacements and want a recognized brand for routine maintenance on their Mercedes-Benz GLE.
Less Ideal for: Buyers seeking a complete multi-coil kit or a performance-tuned ignition upgrade should look elsewhere.
- Built to meet or exceed factory specifications for reliable ignition energy
- Corrosion-resistant electrical connections for durable electrical contact
- Designed for temperature and vibration resistance to extend service life
- Bolt-on installation type suitable for DIY replacement on compatible Mercedes-Benz models
- Sold as a single coil rather than a multi-pack so replacing several cylinders increases total cost
- Requires verifying OEM-equivalent numbers to confirm fitment for specific Mercedes engine variants
Verdict A reliable, factory-quality single ignition coil from Bosch that restores proper spark on compatible Mercedes-Benz models but is sold individually so plan replacements accordingly.
6. LCWRGS Set of 6 Ignition Coil Packs and Spark Plugs for Mercedes-Benz 3.5L V6
| Compatible Engines | Mercedes-Benz 3.5L V6 (listed models) |
|---|---|
| Included Components | Set of 6 ignition coil packs and spark plugs |
| Part Interchange | IC615, IC665, UF535, 5C1748, E1035, C1691, UF585, 07C905115 series |
| Installation Type | Bolt-On |
This LCWRGS kit bundles six ignition coil packs with matching spark plugs intended as a direct, bolt-on replacement for Mercedes-Benz 3.5L V6 engines. It is typically used when coils or plugs fail and cause misfires, rough idle, reduced fuel economy, or check-engine codes. The product claims a direct fit to factory part numbers and uses high-conductivity internal wiring and high-dielectric epoxy to maintain strong spark energy. In practice the set simplifies a full-cylinder tune-up because you replace all coils and plugs together, which can restore smooth idle, improve throttle response, and clear misfire codes. Customers report straightforward installation and immediate drivability improvements. Limitations include uncertainty about long-term durability compared with factory parts and the absence of detailed installation instructions in the package, so DIYers should be comfortable following vehicle service procedures or consult a shop. This kit is a practical performance-oriented replacement for getting a GLE back to smooth-running condition without dealer-level cost.
Best for: Performance-oriented owners focused on restoring engine smoothness and throttle response on a Mercedes-Benz GLE with the 3.5L V6 who prefer a full, vehicle-specific tune-up in one purchase.
Less Ideal for: Buyers seeking guaranteed factory lifetime durability or those who need step-by-step installation guidance without consulting service manuals or a technician should consider factory-brand replacements or professional installation.
- Complete set replaces all six coils and plugs at once for consistent cylinder performance
- Compatible with factory part numbers for a vehicle-specific fit
- Claims enhanced spark energy and conductive internals to improve ignition consistency
- Bolt-on installation keeps repair straightforward for experienced DIYers or technicians
- Long-term longevity versus Mercedes factory coils is not proven
- No printed installation instructions included in the package
Verdict A cost-effective, performance-focused six-piece coil and plug kit that restores V6 Mercedes ignition performance now, with longer-term durability still to be proven.
7. TRQ Ignition Coil Set, 6-Piece
| Brand Name | TRQ |
|---|---|
| Included Components | 6 Ignition Coils |
| Connector Gender | Male |
| Automotive Fit Type | Vehicle Specific Fit |
This TRQ 6-piece ignition coil set replaces all coils to restore consistent spark delivery and engine smoothness on compatible Mercedes-Benz GLE applications. Installed as direct-fit replacements, the coils are used where failing coils cause misfires, rough idle, reduced throttle response, or check-engine codes. Notable features include pre-assembled connectors for plug-and-play installation, a protective rubber or silicone shell to reduce premature boot wear, and an application-specific design that requires no modifications. In practice the kit gives a straightforward DIY swap for owners wanting to refresh the ignition system without removing multiple components or rewiring. Practical benefits include quicker installation than piecemeal coil replacement and restoring drivability and fuel efficiency when coils have degraded. Limitations to consider are mixed long-term reliability reports from some users and that aftermarket coils can vary slightly in heat characteristics and longevity compared with factory-quality parts, so keep an eye on early symptoms after installation and use the included warranty process if needed.
Best for: Balanced buyers who want a complete, no-fuss replacement to restore smooth running and drivability on their Mercedes-Benz GLE without spending on dealer parts.
Less Ideal for: Drivers who prioritize guaranteed factory-quality longevity or who prefer dealer-sourced parts and extended manufacturer-backed service plans should consider OEM alternatives.
- Complete 6-coil kit replaces every cylinder at once to eliminate mismatched coil performance
- Direct-fit, vehicle-specific design reduces installation time and avoids modifications
- Protective rubber/silicone shell helps limit boot wear and prolongs service life
- Pre-assembled connectors simplify a DIY swap and minimize wiring hassle
- Aftermarket longevity is inconsistent in some reports so lifespan may vary between vehicles
- Some users report coils running hotter than factory units which could affect long-term durability
Verdict A convenient complete replacement kit that restores ignition performance for Mercedes-Benz GLE owners seeking value and ease of installation, though long-term durability may vary.
Choosing the Right Mercedes-Benz GLE Ignition Coil: Key Factors to Consider
Fitment and Connector Type
Correct fitment ensures the coil mounts securely and aligns with the spark plug and engine harness. A coil that matches the OEM mounting points and connector type reduces installation time and minimizes the chance of loose connections that can cause intermittent misfires.
Pay attention to pin count, connector shape, and mounting bolt pattern. Even small differences in length or offset can affect seating on the spark plug and influence spark delivery. Always confirm that the part is specified for the Mercedes-Benz GLE to avoid wiring adapters or modifications.
Electrical Specifications
Coil resistance, primary and secondary winding specs, and voltage ratings determine how effectively the coil generates and delivers spark energy. Components with stable resistance values and proper insulation are less likely to produce weak sparks that cause poor combustion or rough idle.
Look for coils that list clear electrical parameters and are tested to meet automotive voltage demands. Consistent specs reduce the risk of engine performance variability across operating temperatures and loads.
Thermal Durability and Materials
The engine bay exposes ignition coils to high temperatures and vibration, so materials and construction quality strongly affect lifespan. Heat-resistant housings, reinforced insulation, and vibration-tolerant mounts help prevent premature failure from cracking, shorting, or connector degradation.
Choose coils with proven materials for thermal cycling and weather exposure. Components that resist heat soak and moisture intrusion will maintain reliable performance over time, reducing the need for repeat replacements.
Compatibility With Engine Management
Modern engines rely on precise timing signals and coil behavior that the engine control module expects. Coils that are electrically and behaviorally compatible with the Mercedes-Benz GLE's ignition control system help maintain accurate spark timing and firing order.
Mismatch can lead to error codes, rough running, or impaired diagnostics. Ensure the coil supports the vehicle's ignition strategy, including any coil-on-plug or wasted-spark configurations used on the vehicle.
Installation and Serviceability
Ease of installation affects both DIYers and professional technicians. Coils that use common fasteners, accessible mounting locations, and plug-and-play connectors reduce labor time and the risk of installation errors. Clear instructions and accessible terminal points simplify troubleshooting.
Also consider whether the coil can be serviced or replaced individually without disturbing surrounding components. Service-friendly designs lower maintenance hassle and make future repairs more straightforward.
Warranty and Quality Assurance
Warranty length and the manufacturer’s quality control practices indicate confidence in durability and performance. A clear warranty provides recourse if a coil fails prematurely and can reflect tighter production tolerances and testing regimes.
Documentation of testing procedures or certifications adds trustworthiness. While warranty does not guarantee perfect performance, it helps manage risk in the event of early failures.
FAQ
What are common symptoms of a failing ignition coil on a Mercedes-Benz GLE?
Common signs often include rough idle, loss of power under acceleration, longer cranking times, and illuminated engine warning lights. You may also notice intermittent misfires or decreased fuel economy. Symptoms can vary by engine and driving conditions, so a combination of signs usually points toward an ignition issue.
Can I test an ignition coil myself?
You can perform basic checks such as inspecting for visible damage, measuring primary and secondary resistance with a multimeter, and observing spark behavior with appropriate tools. Results depend on having the correct specifications and safe procedures. For definitive diagnosis, combining electrical tests with engine diagnostics tends to be more reliable.
Is it necessary to replace all ignition coils at once?
Not always. If one coil fails and others show healthy electrical readings and no symptoms, you can replace only the faulty unit. However, if multiple coils are showing similar wear or the vehicle has high mileage, replacing multiple coils together can reduce the chance of near-term repeat failures and ensure more consistent performance.
How long do ignition coils usually last?
Typical lifespan ranges widely depending on driving conditions, engine heat exposure, and build quality. Many coils last well over 50,000 miles, while others may fail earlier if exposed to extreme heat or moisture. Regular inspections and addressing underlying spark plug or wiring issues can extend coil life.
What should I check before installing a replacement coil?
Confirm the replacement is specified for the Mercedes-Benz GLE, matches connector and mounting details, and meets the electrical specifications required by the vehicle. Inspect the spark plug, wiring harness, and surrounding components for wear or damage, and ensure the installation area is clean to prevent contamination.
How We Chose the Best Mercedes-Benz GLE Ignition Coil
We focused on parts specifically designed to fit the Mercedes-Benz GLE and prioritized fitment accuracy to ensure correct connection points, mounting, and clearance. Electrical reliability was a primary filter, including insulation quality, coil resistance consistency, and rated voltage tolerances that affect spark strength and longevity. Build quality and materials were assessed to favor coils with robust housings and heat-resistant components that withstand engine bay conditions. Ease of installation was considered, with preference for coils that match OE connector types and mounting hardware to reduce installation time. We also examined long-term durability indicators such as corrosion-resistant terminals and quality control reputations. We excluded generic, multi-vehicle universal coils that require major modification or adapters, and any parts with unclear fitment data. The final list balances exact fitment, proven electrical performance, durable construction, and practical installation characteristics that matter for Mercedes-Benz GLE owners.
Our full evaluation process is outlined in our review methodology.
Conclusion
Choosing the right ignition coil for a Mercedes-Benz GLE means balancing correct fitment, reliable electrical performance, and durable construction. Prioritize coils that match OEM connector types and mounting points, have clear electrical specifications, and use heat-resistant materials to reduce the risk of premature failure. Consider installation ease and warranty terms when deciding between options, and address related components such as spark plugs and harnesses to maximize service life. That approach will help restore smooth starting and consistent engine performance while minimizing repeat visits.
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