1968 Mercedes-Benz 300SEL Spark Plugs

Essential 1968 Mercedes-Benz 300SEL Spark Plugs

Beru – Ignition Wire (Part No.F1030380899BER)

Ignition Wire

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$14.96
Ignition Wire

NGK – OE Series Standard Nickel Spark Plug: Conventional Tip Design, BPR6ES (Part No.7131)

OE Series Standard Nickel Spark Plug: Conventional Tip Design, BPR6ES

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$3.99
NGK Standard spark plugs (in the iconic NGK ‘yellow box’ packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design. NGK’s legendary high grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage. Solid 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges. Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties.

Product Features:
  • ACTUAL OE or EQUIVALENT DESIGN: OEM quality construction nickel alloy center electrode provides consistent performance
  • RECOMMENDED USAGE: Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs
  • NGK’s OE CERAMIC TECHNOLOGY: High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
  • Triple Gasket Sealing: Prevents combustion gas leakage, ensuring efficient engine performance.
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Motorcraft – Spark Plug (AGSF32FECF4) (Part No.SP-439-A)

Spark Plug (AGSF32FECF4)

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$7.79
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spa

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
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Champion – Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RS12PYPB5 (Part No.7963)

Double Platinum & Power Spark Plug Exceptional Perf OE Replacement RS12PYPB5

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$6.29
Champion® Double Platinum Power spark plugs deliver more powerful performance with premium features. The double platinum power ensures greater wear resistance, while the fine-wire center electrode enhances ignitability. The V-trimmed ground electrode promotes sharper spark focus, and the exclusive Heat-Active alloy allows the electrodes to reach optimal temperature, maintaining stable operating temperature under all engine loads. With a platinum center electrode tip, resistor type, and tapered seat type, this combination guarantees maximum life and exceptional performance for your engine.

Product Features:
  • Double Platinum Power – Premium Spark Plug. More Powerful Performance.
  • Platinum center and ground electrode for greater wear resistance
  • Maintains stable operating temperature under all engine loads
  • Fine-wire center electrode for greater ignitability
  • V-trimmed ground electrode promotes sharper spark focus
  • Heat-Active alloy allows electrodes to reach optimal temperature
  • Platinum Center Electrode Tip: Guarantees maximum life and exceptional performance.
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ACDelco – Copper Core Spark Plug: Original Equipment Replacement (Part No.R42LTS)

Copper Core Spark Plug: Original Equipment Replacement

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$4.99
ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These Conventional Spark Plugs are designed for reliability and efficient performance, and are a high quality replacement for many vehicles on the road today. Their high-quality copper cores and outstanding suppression characteristics deliver reliable performance. They are also available for Marine applications. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • GM regularly updates production and service part designs to integrate new materials and technologies
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IT16TT (Part No.4713)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IT16TT

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$10.99
Durability of an OE style plug combined with Power & Torque of high performance.

Product Features:
  • 0.4mm Iridium Center Electrode: World’s Smallest Diameter that maximizes firing potential
  • 0.7mm Needle Tip Ground Electrode: Promotes higher spark energy and less heat quenching
  • DENSO Patented Optimized Iridium-Rhodium Alloy Formula: Highest concentration of Iridium vs. competitors for greater durability
  • DENSO Patented 360 degree laser welding process: Ensuring exceptional quality bond and structural strength with the Iridium Center Electrode
  • Durability of an OE style plug combined with Power & Torque of high performance.
  • Withstands temperatures greater than 4000░ Fahrenheit
  • Iridium TT
  • Advanced Twin-Tip Technology: Combines a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode for superior ignition and efficiency.
  • Enhanced Fuel Economy and Lower Emissions: Designed to provide better fuel economy and reduced emissions, allowing you to drive around the Earth over 4 times.
  • Original Equipment Specification: Developed from the Super Ignition Plug (SIP) design, ensuring reliable and consistent performance.
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DENSO – Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16 (Part No.5325)

Iridium Power Spark Plug: Maximum Spark Energy, 0.4mm Iridium Tip, IT16

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$11.79
Increased performance with World’s smallest Iridium Center Eletrode (0.4mm).

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
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Motorcraft – Enhance Engine Performance with Reliable Spark Plug (Part No.SP-439-AX)

Enhance Engine Performance with Reliable Spark Plug

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$12.49
Motorcraft Spark Plugs are original equipment on Ford Motor Company vehicles engineered to meet strict Ford engineering standards to provide original equipment performance and reliability. Delivering performance, reliability and confidence, Motorcraft spark plugs are available for a broad range of applications, including domestic and import cars and trucks of all makes and sizes.

Product Features:
  • Motorcraft spark plugs are matched to specific engines to provide enhanced durability, eliminate misfires, reduce fuel consumption and optimize emissions.
  • Backed by Motorcraft’s Service Parts Warranty
  • Exact fit for Ford, Lincoln and Mercury vehicles
  • Resistant to oxidation and arc erosion.
  • Multi-rib insulator protects against misfire.
  • Service intervals of up to 100,000 miles.
  • Motorcraft Spark Plugs are designed with high quality materials to provide reliable performance for almost any application.
  • Motorcraft Spark Plugs are what was in the vehicle when it was manufactured
  • Motorcraft ignition components help prevent false check engine lights.
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DENSO – Double Platinum Spark Plug: OE Performance, lasts 60K+ Miles, PT16EPR10 (Part No.5091)

Double Platinum Spark Plug:  OE Performance, lasts 60K+ Miles, PT16EPR10

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$7.99
Manufactured to the strictest OE performance, durability and emissions standards.

Product Features:
  • OE grade platinum on both center and ground electrodes
  • Premium shell construction with machine-rolled threads
  • Superior thermal conductivity
  • Sustained spark performance over 60,000 miles
  • Reduced secondary required voltage, increased ignition efficiency
  • Satisfied customers, reduced shop comebacks
  • Double Platinum
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Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP104)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

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$4.79
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
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Autolite – Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration (Part No.AP63)

Platinum Spark Plug: Fires Cleaner, Easier Starts, Quicker Acceleration

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$4.49
Autolite has over 100 years of engineering experience and has sold over 11 billion plugs. Designed and engineered in the USA, Autolite Platinum spark plugs provide a center wire platinum firing tip which provides reduced gap erosion, fewer misfires, better performance and increased durability. Consider upgrading to Autolite Double Platinum or Iridium XP spark plugs for increased performance.

Product Features:
  • High nickel alloy side electrode maintains precise gap
  • Full platinum tip assures virtually no gap erosion for long life
  • Necked-down center electrode fires quicker, cleaner with less voltage for easier starts, quicker acceleration and improved fuel economy (as compared to standard plugs)
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NGK – G-Power Spark Plug: Single Platinum Tip Design, TR5GP (Part No.3186)

G-Power Spark Plug: Single Platinum Tip Design, TR5GP

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$6.29
NGK G-Power Platinum spark plugs are the best single platinum spark plugs at an economical price. G-Power plugs feature a fine wire platinum center electrode and a trapezoidal cut ground electrode that offers increased durability, improved fuel efficiency, lower emissions, faster starts and quicker acceleration over conventional nickel spark plugs. An excellent upgrade for vehicles which used nickel alloy spark plugs originally. For better performance consider upgrading to a NGK Iridium IX plug. For even greater performance consider upgrading to a NGK RUTHENIUM HX plug.

Product Features:
  • SINGLE PLATINUM TIP: Fine wire 0.6 millimeter platinum tip center electrode ensures improved durability and a consistently stable spark
  • PLATINUM ALLOY: G-Power platinum provides exceptional value with increased performance and longer service intervals than factory nickel plugs
  • TRAPEZOIDAL CUT GROUND ELECTRODE: Reduces quenching design produces improved ignitability and performance
  • SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
  • COLD-ROLLED THREADS: Prevents cross-threading and damage to cylinder heads
  • RECOMMENDED USAGE: Lower cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Tapered Seat Type: The tapered seat type ensures a secure fit and optimal performance in compatible vehicles.
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Champion – Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN7YC (Part No.332)

Copper Plus Spark Plug: Dependable Performance, OE Replacement, RN7YC

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$2.99
Dependable performance. This Champion spark plug features a copper core electrode that provides increased conductivity and heat control for good overall wear.

Product Features:
  • Copper Plus – Dependable Performance.
  • Copper core center electrode allows for accurate control of heat range for longer life
  • Patented TinTac and ULTRASEAL coated shell for maximum corrosion resistance
  • Patented SAC-9 semiconductor resistor for maximum EMI & RFI suppression
  • Built to ISO and SAE standards for proven performance
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ACDelco – Professional Copper Core Spark Plugs (Part No.F1000579102ACD)

Professional Copper Core Spark Plugs

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$4.93
ACDelco Professional Series Copper Core Conventional Spark Plugs are an economical choice for solid performance.

Product Features:
  • Has a copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you’re looking for while improving its resistance to low-speed carbon fouling
  • Precisely engineered and manufactured to provide everyday reliability and efficient performance
  • The hot-tip insulator heats fast and fires hot
  • The nickel-chrome alloy on the ground electrode and center electrode sheathing resists wear from spark erosion and the corrosive environment of the combustion chamber
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Dorman – Help – Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach (Part No.42004)

Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach

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$9.99
This spark plug non fouler is designed for easy installation on specified vehicles to protect spark plugs from fouling and damage. It is engineered for durability and reliable performance.

Product Features:
  • Direct replacement – this spark plug non fouler is designed for easy installation to protect spark plugs from fouling and damage on specified vehicles.
  • Ideal solution – this non-fouler preserves spark plug life and is a reliable replacement for an original non-fouler that has failed due to corrosion
  • Durable construction – made from quality components to ensure reliable performance and a long service life
  • Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
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1968 Mercedes-Benz 300SEL Spark Plugs

Maybe you’re in the middle of a full rebuild of that 1968 Mercedes-Benz 300SEL. Maybe you just need a couple of Spark Plugs. Either way, Advance Auto Parts has 17 different Spark Plugs in our inventory ranging from $2.99 to $14.96. That means you can find the exact parts or products you need to keep that 1968 Mercedes-Benz 300SEL running smoothly.

Spark Plugs are only as good as their brand. We stock 8 different brands to make sure you have plenty of trusted parts to choose from for your 1968 Mercedes-Benz 300SEL. NGK, Champion, and ACDelco are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Spark Plugs for your 1968 Mercedes-Benz 300SEL, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 91 reviews in this category, some of the top rated parts include Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration with 4.9 stars and Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach with 3.7 stars.

So if you’re in the market for aftermarket Spark Plugs to keep your 1968 Mercedes-Benz 300SEL rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Spark Plugs Brands To Make Your 1968 Mercedes-Benz 300SEL Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1968 Mercedes-Benz 300SEL demands trusted brand parts and products to keep it running. Many trusted brands of Spark Plugs make up Advance Auto Parts’ inventory, and all are ready to help make your 300SEL the best it can be. Be sure to browse some of our top Spark Plugs brands and parts.

FAQs for 1968 Mercedes-Benz 300SEL Spark Plugs

What are the most purchased Spark Plugs for the 1968 Mercedes-Benz 300SEL?

Out of 17 Spark Plugs for the 1968 Mercedes-Benz 300SEL, the most popular in our inventory are:

What are the top-rated 1968 Mercedes-Benz 300SEL Spark Plugs?

Top-rated Spark Plugs for your 1968 Mercedes-Benz 300SEL based on customer reviews/ratings are:
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
from $3.49
(12)
Copper Spark Plug: Delivers Quick Starts, Good Fuel Economy, Smooth Acceleration
“Replaced my old plug and generator fired right up. Excellent recommendation by the service desk. Thanks.”
Spark Plug Non-Foulers - 14mm Gasket Seat Long Reach
from $9.99
(3)
Spark Plug Non-Foulers – 14mm Gasket Seat Long Reach
“Good tool. Deep socket.”
Iridium IX Spark Plug: Single Iridium Fine Wire, BPR6EIX
from $11.99
(1)
Iridium IX Spark Plug: Single Iridium Fine Wire, BPR6EIX
“I read about using Iridium spark plugs to replace the standard nickel plugs in small engines to improve the efficiency. I installed this plug in a Hon”