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Denso 5269421 - Ignition Coil Kit
Product Overview
The Denso Ignition Coil Kit is designed for effective ignition system maintenance and repair. This kit provides an OE-level, all-in-one set of matched components that support reliable engine performance. It is precision-engineered to fit various Mercedes-Benz models, addressing potential issues such as misfires, rough idling, and poor fuel economy. The Denso 5269421-Kit contains high-quality ignition coils and spark plugs to help mitigate ignition-related symptoms in your vehicle.
Kit Contents
- 8 x Denso - (673-9201) Direct Ignition Coils
- 8 x NGK - (94705) Spark Plugs - Ruthenium HX High Ignitability
Cross Reference Numbers
This Denso 5269421-Kit is equivalent to or replaces the following part numbers: 673-9201, 6739201, 94705, A1321590003, SP149125AE, 18854-10080, 1885410080, 18846-11070, 1884611070, 7B0905600B, 272 906 00 60, 2729060060, 18854-09080, 1885409080, A1321590103, 000 150 19 80, 0001501980, A0041591803, 1822A011, A0041594903, 1822A010, 7B0905600A, 68005667AB, SP149125AD, A0041595803, 000 150 27 80, 0001502780, A1321590203, 5269421Kit, 48739, U5117, E1035, 0 232 103 114, 0232103114, GN10235, IC615, UF535.
Vehicle Compatibility
- Mercedes-Benz CLK550 5.5 V8 (2007–2009)
- Mercedes-Benz CL550 5.5 V8 (2007–2010)
- Mercedes-Benz CLS550 5.5 V8 (2007–2011)
- Mercedes-Benz E550 5.5 V8 (2007–2011)
- Mercedes-Benz S550 5.5 V8 (2007–2011)
- Mercedes-Benz GL450 4.7 V8 (2007–2012)
- Mercedes-Benz SL550 5.5 V8 (2007–2012)
- Mercedes-Benz ML550 5.5 V8 (2008–2011)
- Mercedes-Benz GL550 5.5 V8 (2008–2012)
- Mercedes-Benz G550 5.5 V8 (2009–2015)
This kit also fits other applications. Please use the vehicle selector tool to verify compatibility before purchase.
Why Shop at eEuroparts.com?
- Expertise You Can Trust: Over 25 years specializing exclusively in European vehicles.
- Kits That Fit™ – complete, curated repair solutions with zero guesswork.
- Fitment Confidence: Industry-leading catalog accuracy ensures you get the right part the first time.
- Fast, Reliable Delivery: Most orders ship same or next business day from our U.S. warehouses.
- Transparent, Honest Pricing: Competitive prices with no hidden fees ever.
- Trusted Since 2000: Proudly serving the European car community for over two decades.
Frequently Asked Questions
What symptoms indicate a failing ignition coil?
Common symptoms of a failing ignition coil include engine misfires, reduced power, and difficulty starting the engine.
How do I know if I need to replace my spark plugs?
If you experience rough idling, decreased fuel efficiency, or trouble accelerating, it may be time to replace your spark plugs.
Can this kit help with DTC codes related to ignition issues?
Yes, this kit can help address issues related to DTC codes such as P0300 (random/multiple cylinder misfire) and P0301-P0308 (specific cylinder misfires).
Is it necessary to replace ignition coils and spark plugs together?
While it's not mandatory, replacing both components together can ensure optimal performance and reliability in the ignition system.
What is the lifespan of ignition coils and spark plugs?
Ignition coils typically last between 60,000 to 100,000 miles, while spark plugs may need replacement every 30,000 to 100,000 miles depending on the type and usage.
Order Denso 5269421-Kit today to support a complete, well-matched repair for your vehicle.
Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.
- BrandDenso
- ManufacturerDenso
- MPN5269421-Kit
- Part TypeIgnition Coil Kit
- Kit Content8 x Denso - (673-9201) Direct Ignition Coils
8 x NGK - (94705) Spark Plugs - Ruthenium HX High Ignitability - OE Part Numbers673-9201, 6739201, 94705, A1321590003, SP149125AE, 18854-10080, 1885410080, 18846-11070, 1884611070, 7B0905600B, 272 906 00 60, 2729060060, 18854-09080, 1885409080, A1321590103, 000 150 19 80, 0001501980, A0041591803, 1822A011, A0041594903, 1822A010, 7B0905600A, 68005667AB, SP149125AD, A0041595803, 000 150 27 80, 0001502780, A1321590203
- Cross Reference Numbers5269421Kit, 48739, 94705, U5117, E1035, 0 232 103 114, 0232103114, GN10235, IC615, UF535
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2009 | Mercedes-Benz | CLS550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | CLK550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | S550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | S550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | SL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | CL550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | G550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2009 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | S550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | S550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | CLS550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | G550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2010 | Mercedes-Benz | CL550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | G550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | CLS550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | SL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | S550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2011 | Mercedes-Benz | S550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | SL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | S550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | S550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | CLS550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | CL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2007 | Mercedes-Benz | CLK550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | SL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | CL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | E550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | E550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | CLK550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | CLS550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | S550 | 4Matic (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | S550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2008 | Mercedes-Benz | ML550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2012 | Mercedes-Benz | GL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2012 | Mercedes-Benz | SL550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2012 | Mercedes-Benz | GL450 | Base (4.7 V8 GAS) | Notes: With Gap 0.032 in |
| 2012 | Mercedes-Benz | G550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2015 | Mercedes-Benz | G550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2013 | Mercedes-Benz | G550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
| 2014 | Mercedes-Benz | G550 | Base (5.5 V8 GAS) | Notes: With Gap 0.032 in |
Warranty Overview
At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.
Standard Warranty – Most Parts
Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.
Protection: Defects in materials or workmanship under normal personal use.
Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.
Exclusions:
Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)
Commercial, fleet, rideshare, off-road, or racing use
Improper installation, misuse, accidents, or modifications
Not Covered: Labor, shipping, towing, or incidental costs.
Bison Performance Warranty – Our House Brand
Coverage: Limited Lifetime Warranty for as long as you own your vehicle.
Applies To: All products sold under the Bison Performance label.
Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.
Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).
What’s Included: Replacement of the defective product (labor and shipping excluded).
Warranty Claim Requirements
To keep claims fast and fair, we require:
Proof of purchase (invoice or order confirmation).
Photos or videos showing the defective part, order number, date, VIN, and odometer reading.
Diagnostic reports or part returns for non-visible issues may be requested.
Claims must be truthful, properly documented, and reflect normal consumer use.
Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.
For full details and exclusions, please see our complete Warranty Terms & Conditions.
This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.
Return Policy Overview
Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
To start a return, contact customer support via Chat or Contact Us.
Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)
Refunds: Issued to your original payment method within 3–5 business days after inspection
Exchanges: Not automatic — please return and reorder
Replacements: May be approved for incorrect or defective items reported within 7 days
Not returnable:
Used or installed parts
Electrical components
Opened filter kits, gaskets, or contaminated items
Final sale or custom orders
Important Notes:
Return shipping is your responsibility unless we made a verified error
Fitment is the customer’s responsibility (we can assist, but do not guarantee)
Country of origin may vary and is not grounds for return
For complete details, please see our full Return Policy.
This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.
Fast, Reliable Shipping — Straight to Your Door
We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.
We use trusted carriers like UPS, FedEx, and USPS.
Tracking info is emailed to you as soon as your order ships.
Delivery estimates at checkout are based on carrier data, but not guaranteed.
Need help with a shipment?
If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.
For complete details, please see our full Shipping Policy.
This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.




