Mercedes-Benz SLK250 Spark Plugs
Your One-Stop Shop For Trusted Mercedes-Benz SLK250 Spark Plugs
If you’re in search of Mercedes-Benz SLK250 Spark Plugs aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 11 Spark Plugs from top brands with prices ranging from $6.49 to $16.62.
Beyond great prices, we stock trusted brands manufacturing all types of Spark Plugs for your Mercedes-Benz SLK250. Of the 6 OEM and aftermarket parts brands we carry, some of the most popular are Autolite, DENSO, and NGK.
And don’t forget to read customer reviews across all Spark Plugs categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.
At Advance Auto Parts, we don’t think top quality Spark Plugs have to cost top dollar, and we prove it. Browse our top Mercedes-Benz SLK250 Spark Plugs below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.
Essential Mercedes-Benz SLK250 Spark Plugs
Elring – Spark Plug Seal (Part No.A8027140966ELR)
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$9.56
All-around safety and reliability: Elring oil seals are manufactured for a wide range of applications. Whether they are installed in camshafts, crankshafts or axles, the high-precision seals are guaranteed to offer outstanding performance. Elring oil seals are made from tailor-made elastomer compounds to ensure excellent functionality and a long service life. They are available in various sizes and are supplied with detailed installation instructions.
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Product Features:
- Premium-quality materials such as FPM, ACM and PTFE for superior operational reliability
- Various designs specifically adapted to the area of application ensure excellent functionality and performance
- High-performance FPM guarantees optimum leak tightness
NGK – Ruthenium HX High Ignitability Spark Plug: PSPE Tip Design, LKR7BHX (Part No.94705)
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$14.99
NGK Ruthenium HX High Ignitability spark plugs are the best in class plug for todays modern vehicles. Patented Ruthenium technology offers the most advance tip technology and delivers the highest performance and life expectancy. Created from advanced OE technology as a high ignitability plug; Ruthenium HX spark plugs come with patented, specialized OEM DFE and PSPE tip designs. NGK Ruthenium HX High Ignitability spark plugs provide a more complete fuel burn resulting in a quicker throttle response, smoother idle and better cold starts. Ruthenium center electrode provides industry leading durability.
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Product Features:
- HIGH IGNITABILITY PROJECTED SQUARE PLATINUM ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with a unique cut-back PSPE ground electrode
- RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
- PSPE DESIGN: Projected square platinum electrode shape of the ground electrode provides the best ignitability and service life for high heat engines
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modern vehicles using OE PSPE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
Autolite – Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life (Part No.APP5702)
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$6.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Double Platinum spark plugs feature platinum-to-platinum firing which virtually eliminates gap erosion, reduces misfires and increases durability of the plug. Consider upgrading to Autolite Iridium XP spark plugs for increased performance.
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Product Features:
- Works to optimize engine performance for a longer life and improved fuel economy
- OE design
- Full-platinum tips; platinum on both the center and side electrodes to promote reduced gap wear
- Platinum ball welding process provides a consistent point of contact for enhanced adhesion
DENSO – U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, XU22HDR9 (Part No.3445)
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$6.49
U-Groove design provides better ignitability for increased engine efficiency.
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Product Features:
- Patented U-groove ground electrode design fires leaner mixtures than conventional plugs
- Precision machine-rolled threads reduce seizing and cross-threading in delicate aluminum heads
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Lasts twice as long as most conventional plugs
- 100% pre-fired to assure reliable operation
- U-Groove Conventional
Bosch – Spark Plug (Part No.F1000115889BOS)
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$16.62
Spark Plug
E3 – DiamondFIRE Automotive Spark Plug: More Power, Saves Gas (Part No.E3.82)
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$7.49
The Spark Plugs are the product of years of fundamental research in the combustion field. The unique patented electrode configuration of these new The spark plugs increases the amount of combustion pressure created during each power stroke of an engine, which results in a marked increase in power output, fuel economy, and reduced emissions in all gasoline engines. E3.82 is a 12mm, 1.000 reach plug with a gasket seat. It fits a wide variety of late model applications, especially import. E3.82 has two legs securing the Diamond FIRE electrode to the shell. This allows for excellent heat transfer, and helps to create more turbulence in the cylinder. The patented Diamond FIRE side wire is proven to increase power, reduce fuel consumption and improve hydrocarbon emissions in long-term use.
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Product Features:
- E3’s Diamond Fire edge to edge ground electrode provides maximum performance with increased efficiency and a faster more complete burn
- Smoother Acceleration & Idle – The faster flame initiated by the The spark plug results in a more complete burn of the ingested fuel charge. More pressure is created against the piston more fuel is put to work
- Energy – Power output improved up to 6% on average in the typical operating ranges. Results will vary.
- Efficiency – The “diamond shaped” side wire electrode projects the combustion spark in a way that more quickly ignites the air/fuel mixture, thereby creating a significantly faster and larger flame kernel. The result is that more fuel is put to work durin
- E3’s patented Diamond Fire Technology provides a cleaner burning combustion, which translates into fuel savings and reduced engine carbon deposits
- The Spark Plugs are pre-gapped at the factory and cannot be adjusted.
NGK – Iridium IX Spark Plug: Single Iridium Fine Wire, LKR7AIX (Part No.93911)
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$11.99
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode’s durability is six times harder than platinum. Iridium alloy’s extremely high melting point is perfect for today’s engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
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Product Features:
- SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
- IRIDIUM ALLOY CENTER ELECTRODE: Iridium’s density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
- TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
- SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
- TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
- RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Autolite Iridium – Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition (Part No.XP5702)
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$9.99
Our best spark plug! Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, the Autolite Iridium XP spark plugs feature an iridium-enhanced 0.6mm finewire design and patented platinum sidewire technology to provide better overall durability and a more focused ignition for enhanced ignitability and performance. Features double Iridium-enhanced alloy technology center electrode for improved durability and wear resistance.
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Product Features:
- 0.6 mm finewire design improves ignitability
- Patented V-trimmed platinum sidewire technology resists wear
- OE equivalent design is engineered for every engine
- Designed for better overall durability with virtually no gap erosion
DENSO – Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SXU22HDR8 (Part No.3441)
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$14.99
Manufactured to the strictest OE performance, durability and emissions standards.
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Product Features:
- Latest OE technology with DENSO’s patented Iridium Alloy (90% Ir) and fine wire center electrode
- Platinum ground electrode for extended life
- DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
- Sustained spark performance over 100,000 miles
- Lasts up to three times as long as conventional plugs
- Endures extreme temperatures greater than 4,000 degrees F associated with high-performance ignition and special fuel systems
- Iridium Long Life
DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22 (Part No.5353)
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$12.29
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).
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Product Features:
- World’s smallest Iridium Center Electrode (0.4mm) for improved spark for maximum combustion
- Patented 360-degree laser welding assembly process
- U-groove and taper cut ground electrode to maximize flame propagation.
- Withstands temperatures greater than 4000° Fahrenheit
- Burnished nickel plating for high temperature endurance and superior corrosion resistance
- Wide range of part numbers for thousands of applications, including classic and collector cars
- Iridium Power
Autolite Iridium – Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability (Part No.AI5702)
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$10.99
Autolite Iridium Ultra Laser Finewire Spark Plugs are one of our brand’s most technologically advanced products. These spark plugs provide superior durability, more focused ignition with better overall ignitability for optimum performance. Autolite Spark Plugs are the best alternative to OE spark plugs, offering OE fit form and function supporting all foreign and domestic makes and models at a value price. Autolite provides the automotive aftermarket and original equipment manufacturers with the highest quality ignition products and is the leading supplier of spark plugs in the world.
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Product Features:
- Autolite Iridium Ultra is an engineered OE replacement iridium spark plug.
- A laser-welded 0.5mm pure iridium finewire center electrode provides optimal fuel efficiency, acceleration and focused ignitability.
- Nickel-plated shell to resist corrosion.
- High-alumina ceramic insulator for increased strength.
- Laser welded 0.5mm Iridium finewire center electrode.
- Proprietary platinum sidewire technology.
Mercedes-Benz SLK250 Spark Plugs List
Spark Plugs Brands You Can Trust For Your Mercedes-Benz SLK250
6 trusted brands of Spark Plugs line our shelves, ready to help keep your Mercedes-Benz SLK250 running smooth. Below are some of the most popular brands and their top Spark Plugs offerings:
Popular NGK Spark Plugs
NGK products for the Mercedes-Benz SLK250 span several categories. Some of the highest-rated NGK Spark Plugs that will fit your Mercedes-Benz SLK250 are:
Top Mercedes-Benz SLK250 Spark Plugs from Autolite Iridium
Your Mercedes-Benz SLK250 will be purring again thanks to Autolite Iridium brand Spark Plugs available for online order or in-store pick up. Popular Autolite Iridium parts include:
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$9.99
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Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
Most Purchased Mercedes-Benz SLK250 Spark Plugs from Autolite Iridium
When you buy the most frequently purchased Autolite Iridium brand Spark Plugs, you can be confident it will be the right part for your Mercedes-Benz SLK250. Here are the Autolite Iridium Spark Plugs Advanced Auto customers buy the most:
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$9.99
(136)
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs
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$10.99
This product is not rated
Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability
Spark Plugs
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$6.49
This product is not rated
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
FAQs for Mercedes-Benz SLK250 Spark Plugs
What are the most purchased Spark Plugs for the Mercedes-Benz SLK250?
Out of 11 Spark Plugs for the Mercedes-Benz SLK250, the most popular in our inventory are:
from
$6.49
This product is not rated
Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life
Spark Plugs
from
$10.99
This product is not rated
Iridium Ultra Finewire Spark Plug: Optimal Performance, Durability, Ignitability
Spark Plugs
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$12.29
(21)
Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IXUH22
Spark Plugs
What are the top-rated Mercedes-Benz SLK250 Spark Plugs?
Top-rated Spark Plugs for your Mercedes-Benz SLK250 based on customer reviews/ratings are:
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$14.99
(3)
Iridium Long-Life Spark Plug: OE Performance, last 100K+ Miles, SXU22HDR8
“GREAT ITEM”
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$6.49
(1)
U-Groove Spark Plug: OE Performance, lasts 30K+ Miles, XU22HDR9
“Replaced with these and they work great.”
