Mercedes-Benz S420 Ignition and Tune-Up Products

Essential Mercedes-Benz S420 Ignition and Tune-Up Products

Carquest Premium – Coil On Plug Insulator Boot: Spring included, Designed for direct fit (Part No.35-7025)

Coil On Plug Insulator Boot: Spring included, Designed for direct fit

from

$6.99
CARQUEST Premium coil on plug boots are engineered to restore ignition boot reliability and performance. We have OE design providing an exact direct fit for your application and the performance and durability meet or exceed OE requirements. It offers excellent heat resistance as well as maximum protection against spark loss. With durable silicone compound for resistance to high heat or abrasion.

Product Features:
  • Provides excellent heat resistance as well as maximum protection against spark loss.
  • Durable silicone compound for resistance to high heat or abrasion
  • Spring included with the coil boot
  • Design for direct compatibility
  • OE design provides an exact fit for your application
  • Multipack provides one time replace all COP for better deal
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A.P.A. URO – Distributor Rotor Adapter (Part No.F202153404APA)

Distributor Rotor Adapter

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$72.25
The APA/URO Distributor Rotor Adapter is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Bosch – Bosch Spark Plug Connector (Part No.F101070695BOS)

Bosch Spark Plug Connector

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$45.16
Long recognized as an industry leader in ignition and fuel systems, Bosch’s quality, innovation, and experience are the foundation of the entire line of engine management components.

Product Features:
  • Meets or exceeds OEM specifications
  • Manufactured of the highest quality materials
  • Guaranteed fit and function
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NGK – Coil on Plug Boot (Part No.58948)

Coil on Plug Boot

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$17.99
NGK Coil on Plug Boots are built to stringent OEM tolerances, combining original equipment fit, design and outstanding durability. NGK Coil on Plug Boots are manufactured using only premium silicone and always include any required internal springs and ferrite resistors for superior performance and RFI noise suppression. Bridging the important link between ignition coil and spark plug, COP boots should always be replaced with NGK Coil on Plug Boots at the time as changing spark plugs to prevent ignition problems such as flashover.

Product Features:
  • PREMIUM GRADE SILICONE: Designed to withstand harsh environments
  • OEM MATCHED: Includes all required internal springs and ferrite resistors for superior performance and RFI noise suppression
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Bosch – Bosch Distributor Rotor (Part No.F202030723BOS)

Bosch Distributor Rotor

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$78.07
Bosch Distributor Caps and Rotors are made from top quality materials throughout to ensure high performance and long product life.

Product Features:
  • Superior Surface Finish
  • RFI Resistors (Asian) / RFI Suppression (European)
  • Installation Screws
  • Precision-machined Contacts
  • Finely -tooled Metal Mounting Sleeve (Asian)
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Bosch – Distributor Dust Shi (Part No.F2083946476BOS)

Distributor Dust Shi

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$143.12
Distributor Dust Shi

Beru – Ignition Wire (Part No.F1030380899BER)

Ignition Wire

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$14.96
Ignition Wire

Carquest Premium – Ignition Switch (Part No.CSC3619)

Ignition Switch

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$164.99
CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Bosch – Bosch Ignition Wire Connector (Part No.F105013369BOS)

Bosch Ignition Wire Connector

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$36.59
The Bosch Ignition Wire Connector is an ideal high quality Original Equipment replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium Original Equipment replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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DENSO – Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IQ16TT (Part No.4706)

Iridium TT Spark Plug: Ultimate Endurance and Power, 0.4mm Iridium Tip, IQ16TT

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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
  • Ultimate Endurance and Power: The DENSO Iridium TT Spark Plug features a 0.7mm Iridium Tip, ensuring over 100,000 miles of uncompromised performance.
  • Advanced Twin-Tip Technology: Developed from Original Equipment Specification Super Ignition Plug (SIP) design, combining a Fine Wire Iridium Center Electrode with a Needle Tip Platinum Ground Electrode.
  • Enhanced Fuel Economy and Lower Emissions: Drive around the Earth over 4 times with improved fuel efficiency and reduced emissions.
  • Premium Materials: Features an Iridium Center Electrode Tip and a Flat Seat Type for optimal performance and durability.
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NGK – Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, FR5AHX (Part No.95839)

Ruthenium HX High Ignitability Spark Plug: DFE Tip Design, FR5AHX

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$15.99
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.

Product Features:
  • HIGH IGNITABILITY DOUBLE FINE ELECTRODE DESIGN: Combines 0.6 millimeter ruthenium center with opposed fine wire platinum ground electrode
  • RUTHENIUM ALLOY CENTER ELECTRODE: NGK’s patented ruthenium technology produces maximum performance, ignitability & durability at high temperatures
  • PLATINUM PIN TYPE GROUND ELECTRODE: Provides more complete fuel burn, quicker throttle response, smoother idle and better cold starts
  • 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 DFE type spark plugs or for those seeking an aftermarket plug with the latest OE technology
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Carquest Premium – Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece (Part No.EBC1555)

Ignition Coil: Meets or Exceeds Original Equipment Specifications, 1 Piece

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$95.99
Carquest Premium ignition coils meet or exceed original equipment (OE) specifications and are developed by top OE/OES manufacturers to ensure superior performance. All of our Carquest Premium ignition coils are developed by IATF 16949 certified manufacturers for consistent durability and long-lasting performance. These ignition coils use high-quality components and will utilize optimized designs on applications where the OE ignition coil had frequent failures. We require stringent testing standards to ensure proper fit and performance for each application and stand behind our Carquest Premium ignition coils with an industry-leading warranty. Carquest Premium ignition coils are part of our Carquest Vehicle Solutions, which is a full line of engine management and electronics products that help control ignition, fuel delivery and emission systems. Carquest Vehicle Solutions are OE-quality parts designed, engineered and tested by world-class manufacturers to ensure a reliable and long-lasting repair.

Product Features:
  • Computer-Aided Design (CAD), laser scanning and 3D printing – utilizing Fused Deposition Modeling (FDM) and Stereolithography (SLA) – in the part design process ensures speed-to-market and a precise fit guaranteed.
  • 100% pure copper precision-wound windings increase coil life and ensure reliability and maximum coil output when needed.
  • Highly conductive aluminum alloy secondary terminal guarantees secondary coil terminals will not oxidize (rust), will provide excellent conductivity, extended coil life and will not cause excessive stress on the primary control circuit.
  • 100% thermo-shock and vibration tested to ensure superior performance in extreme conditions.
  • 100% end-of-line tested to ensure confidence and product reliability, every time.
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Delphi – Ignition Coil (Part No.GN10404)

Ignition Coil

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$111.99
Delphi OE technology ignition products are validated to match the vehicles system; OE quality replacement parts for the right fit , form and function; Delphi coils provide OE performance, durability and electromagnetic capacity level requirements.

Product Features:
  • Delphi coils provide OE performance, durability and electromagnetic capacity level requirements
  • Delphi ignition coils are designed to operate as part of an integral engine management system to insert power into spark plugs and ensure fast starts; consistent engine performance and optimized fuel efficiency
  • Delphi uses winding process techniques to control the length of wire between adjacent windings; that’s important since more length means greater voltage differences and can create more pressure that could break down the insulation and wire coating
  • We back our ignition coil design with proven materials, such as high quality wires and wire coating that resists the cracks, pin holes and imperfections that most often lead to failure issues
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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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Carquest Premium – Distributor Cap (Part No.CAC1585)

Distributor Cap

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$237.99
Carquest premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.
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Bosch – Bosch Distributor Cap (Part No.F201030722BOS)

Bosch Distributor Cap

from

$172.88
Bosch Distributor Caps and Rotors are made from top quality materials throughout to ensure high performance and long product life.

Product Features:
  • Superior Surface Finish
  • RFI Resistors (Asian) / RFI Suppression (European)
  • Installation Screws
  • Precision-machined Contacts
  • Finely -tooled Metal Mounting Sleeve (Asian)
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Bosch – Knock Sensor (Part No.F60202401816BOS)

Knock Sensor

from

$62.93
Knock Sensor

Carquest Premium – Knock Sensor (Part No.SBC3955)

Knock Sensor

from

$53.99
Carquest Knock Sensors respond to a wide range of engine knock frequencies providing accurate engine condition to the ECM for optimal ignition timing. Highest quality piezoceramic element manufactured to tight tolerances for increased durability. All MotoRad Knock Sensors are designed to meet or exceed OEM specifications at our ISO TS16949 manufacturing facilities.

Product Features:
  • Precision piezoceramic element ensures accurate response to a wide range of engine vibrations
  • Manufactured using the highest quality OEM materials to ensure optimal performance and rugged durability
  • Designed to meet or exceed all OEM specifications in fit, form & function
  • Extensive product testing includes salt spray, high/low temperature impact, thermal cycling, vibration, drop among other tests, to ensure all sensors meet or exceed OEM specifications.
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Carquest Premium – Ignition Control Module (Part No.CBC1678)

Ignition Control Module

from

$3199.99
Ignition Control Module

Helping You Find the Right Ignition and Tune-Up Products for Your Mercedes-Benz S420

You love your S420. So we’ve made it easier than ever to help you find Mercedes-Benz S420 Ignition and Tune-Up Products in our online catalog. Our inventory holds 63 aftermarket and OEM Ignition and Tune-Up Products for your Mercedes-Benz S420, ranging from $2.49 to $3,199.99.

We offer parts from 16 brands trusted to make quality Ignition and Tune-Up Products for your Mercedes-Benz S420. Before you buy, take some time to read through customer reviews. We currently have 5,105 reviews of Mercedes-Benz S420 Ignition and Tune-Up Products from previous customers. Some of the top rated parts include Champion Copper Plus- Single Card – RC12YC with 4.7 stars and Double Platinum Spark Plug: Platinum Firing, Superior Durability, Longer Life with 4.8 stars.

Find your S420 Ignition and Tune-Up Products here, order online, and have your order shipped directly to your home. Prefer to have an in-person look at your Mercedes-Benz S420 part to confirm it’s just right? You can find your nearest Advance Auto Parts store and confirm they have the part in stock before heading over.

Top Ignition and Tune-Up Products Brands for Your Mercedes-Benz S420

Our inventory holds Ignition and Tune-Up Products for your Mercedes-Benz S420 from 16 trusted brands. You’ll find OEM and aftermarket parts from brands like Autolite, NGK, and Champion, all of which can keep that Mercedes-Benz happy.

Top-Rated NGK Ignition and Tune-Up Products

Leading NGK Ignition and Tune-Up Products

We carry NGK brand parts for your Mercedes-Benz S420 across several catalog categories, including Spark Plugs. Some of our most reviewed NGK parts include:

FAQs for Mercedes-Benz S420 Ignition and Tune-Up Products

What are the most purchased Ignition and Tune-Up Products for the Mercedes-Benz S420?

Out of 63 Ignition and Tune-Up Products for the Mercedes-Benz S420, the most popular in our inventory are:
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
from $9.99
This product is not rated
Iridium XP Finewire Spark Plug: Improved Durability, More Focused Ignition
Spark Plugs

What are the top-rated Mercedes-Benz S420 Ignition and Tune-Up Products?

Top-rated Ignition and Tune-Up Products for your Mercedes-Benz S420 based on customer reviews/ratings are:
Champion Copper Plus- Single Card - RC12YC
from $4.99
(140)
Champion Copper Plus- Single Card – RC12YC
“Worked as described”
Copper Plus Spark Plug RC12YC: Dependable Performance & Durability
from $4.99
(61)
Copper Plus Spark Plug RC12YC: Dependable Performance & Durability
“Great plugs for my John Deere”