2003 Mercedes SL Class Ignition Parts

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    • (0 reviews)
      # 603738142
      Mercedes SL Class 2003, Intermotor™ Spark Plug Wire Set by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $268.66
    • (0 reviews)
      # mpn4254427036
      Mercedes SL500 / SL55 AMG with Distributorless Ignition 2003, Ignition Coil by Spectra Premium®. Spectra Premium ignition coils are designed and produced under a strict TS16949 quality control process. At CARiD you can get this superior...
      All ignition coils are durability tested at 100 cycles of thermal shock (-50 to 300° F), to ensure reliability from extreme vibration24 hours salt spray test ensures sensors provide high corrosion resistance
      $25.91
    • (0 reviews)
      # mpn4075481914
      Mercedes SL Class 5.0L 2003, Double Platinum Spark Plug by Denso®. OE Recommended Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap. Denso Double Platinum plug features platinum on both the center...
      Platinum center electrodePlatinum ground electrode
      $5.38
    • (0 reviews)
      # 81772653
      Mercedes SL Class 2003, Ignition Coil by Delphi®. Delphi OE technology ignition products are validated to match the vehicles system. OE quality replacement parts for the right fit, form and function. Designed utilizing the latest...
      Designed and endurance tested to resist the common stresses that cause failureEfficient coil design that ensures the power in the coil has a streamlined path to the spark plug
      $35.91
    • (2 reviews)
      # 407411420
      Mercedes SL Class 2003, Iridium IX™ Spark Plug by NGK®. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for modified...
      Designed for outstanding acceleration, high fuel efficiency, and durabilityEnsure a consistently stable spark
      $5.90 - $6.20
    • (0 reviews)
      # 218544327
      Mercedes SL Class 2003, Ignition Coil by Bosch®. An ignition coil is located in a vehicle’s ignition system in order to convert a car battery’s low voltage to create an electric spark in the spark plugs and ignite the fuel. All...
      Meets or exceeds OEM specificationExcellent mechanical stability and corrosion protection
      $50.20 - $55.83
    • (0 reviews)
      # 139602601
      Mercedes SL Class 2003, OE Specialty Double Platinum Spark Plug by Bosch®. Replace your worn out spark plugs with Bosch spark plugs and experience miles of worry-free driving. OE Specialty Spark Plugs ensure safe and reliable...
      Designed to meet or exceed OE specificationsMatch the fit, form, and function of the OE design
      $5.10 - $7.60
    • (0 reviews)
      # 66792041
      Mercedes SL Class 2003, Spark Plug Wire Set by Beck Arnley®. Designed utilizing the latest technology, this product by Beck Arnley features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...
      OE quality products from top original equipmentTop quality materials
      $152.94
    • (0 reviews)
      # 456603918
      Mercedes SL Class 2003, Iridium Power™ Spark Plug by Denso®. Iridium Ultimate Endurance and Power - Performance Upgrade with World's Smallest Center Electrode (0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology) & Tapered Tip...
      0.4 mm iridium center electrode, the slimmest in the industryPatented self-cleaning insulator/electrode design
      $4.92 - $6.13
    • (0 reviews)
      # mpn1404091
      Mercedes SL500 / SL55 AMG 2003, Finewire Platinum Spark Plug by Motorcraft®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but...
      Direct OEM replacementRecommended by Ford Motor Company
      $3.25
    • (0 reviews)
      # 66792039
      Mercedes SL Class 2003, Direct Ignition Coil by Beck Arnley®. Designed utilizing the latest technology, this product by Beck Arnley features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Provides excellent starting connectionEngineered from premium materials
      $66.98
    • (0 reviews)
      # mpn1747677
      Mercedes SL Class 5.0L 2003, V-Power™ Nickel Spark Plug by NGK®. NGK spark plugs offer higher performance compared to standard plugs. NGK spark plugs feature a V-groove center electrode and concave ground electrode that lowers...
      Lower ignition system voltage requirementsGreater ignitability and performance over conventional spark plugs
      $1.56
    • (0 reviews)
      # 456594889
      Mercedes SL Class 2003, Iridium Spark Plug by Denso®. Denso's patented Iridium alloy is more durable than even Platinum, allowing the center electrode to be shrunk to only 0.7 mm in diameter. This produces a dramatic improvement in...
      Fine-wire iridium center electrodePlatinum ground electrode
      $6.07 - $8.74
    • (0 reviews)
      # mpn3739588893
      Mercedes SL Class 5.0L 2003, G-Power™ Platinum Spark Plug by NGK®. Platinum spark plugs by NGK are designed to improve fuel efficiency, lower emissions, and provide quicker starts while remaining durable under high heat. With 0.6 mm...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions compared to a traditional plug
      $2.44
    • (0 reviews)
      # 603775078
      Mercedes SL Class 2003, Pro Series™ Spark Plug Wire Set by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and...
      The design of this set strictly follows the original specifications set by OEManufactured using OE-Style spark plug and distributor boots
      $221.27
    • (0 reviews)
      # mpn4252215152
      Mercedes SL500 / SL55 AMG 2003, Intermotor™ Ignition Coil by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Standard ignition coils use 100% pure copper windings in the primary and secondary bobbins to improve durability and provide higher resistance to internal shorts and dielectric breakdownStandard premium ignition coils consist of a special blended formula for the best performance, longest life and better heat dissipation
      $32.72
    • (0 reviews)
      # mpn1725568
      Mercedes SL Class 5.0L 2003, Laser Platinum™ Spark Plug by NGK®. Manufactured with a platinum disc welded to the backside of the ground electrode and laser welded platinum center electrode tip, these spark plugs ensure minimal wear on...
      Provide faster starts and quicker acceleration than a traditional plugEnsure better fuel economy and lower emissions compared to an original plug
      $6.74
    • (1 review)
      # 407411431
      Mercedes SL Class 2003, Laser Iridium™ Spark Plug by NGK®. Manufactured with both laser welded Iridium center electrode tip and a platinum disc welded to the backside of the ground electrode, these spark plugs last incredibly long...
      Designed for faster starts and quicker accelerationBetter fuel economy and lower emissions
      $9.62
    • (0 reviews)
      # mpn1747635
      Mercedes SL Class 5.0L 2003, Nickel Spark Plug by NGK®. These products by NGK are the plugs of choice in millions of vehicles designed to provide consistent performance while ensuring OE quality, fit, and function. They are manufactured...
      Designed for consistent performanceMeet OE quality, fit, and function
      $1.56
    • (0 reviews)
      # 456580895
      Mercedes SL Class 2003, Iridium TT™ Spark Plug by Denso®. Ultimate Endurance and Power. 0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage...
      Designed to replace your factory spark plugsManufactured to stringent quality standards
      $5.52 - $6.93
    • (0 reviews)
      # 456601882
      Mercedes SL Class 2003, Original U-Groove Nickel Spark Plug by Denso®. Denso's patented U-Groove spark plug enables complete combustion by allowing the spark to fill the gap created by the U shape. The ball of fire created in the...
      100 percent pre-fired to ensure reliable operationCopper core center electrode for superior thermal conductivity
      $1.55 - $3.37
    • (0 reviews)
      # 456612442
      Mercedes SL Class 2003, Platinum TT™ Spark Plug by Denso®. Platinum TT - Twin-Tip Technology Design with Platinum Center Electrode and Titanium Enhanced Ground Strap. The Platinum TT™ concept originated from Denso's latest original...
      1.1 mm platinum center electrodeTitanium-enhanced alloy ground electrode
      $2.50 - $3.48
    • (0 reviews)
      # mpn4486063449
      Mercedes SL Class 5.0L 2003, Professional™ Double Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using...
      Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
      $5.55
    • (0 reviews)
      # 708123621
      Mercedes SL Class 2003, Professional™ Rapidfire Platinum Spark Plug by ACDelco®. Designed for today’s most popular autos, as well as several marine applications, ACDelco’s Rapidfire® Platinum Spark Plugs fit engines using...
      Ribless insulator that improves the plug-to-boot sealTapered center wire electrode with a platinum pad reduces the firing diameter and helps improve the firing efficiency by concentrating and directing energy needed to fire the plug with less voltage
      $3.22
    • (0 reviews)
      # mpn2341148
      Mercedes SL55 AMG 5.5L 2003, Copper Plus Spark Plug by Champion®. As the leaders in precious metal technologies as well as F.I.S.S resistor technology and MLR™ technology, Champion spark plugs provide enhanced ignition and longer life.
      $1.63
    • (0 reviews)
      # mpn2326817
      Mercedes SL Class 5.0L 2003, Double Iridium Spark Plug by Champion®. Built using more than 30 years' experience in manufacturing iridium spark plugs, these Champion products offer maximum performance. With a fine-wire iridium center...
      Designed to provide dependable performance and long-lasting service lifeIridium center electrode and "laser-locked" platinum ground electrode ensure maximum life
      $5.13
    • (0 reviews)
      # mpn2326806
      Mercedes SL Class 5.0L 2003, Double Platinum Spark Plug by Champion®. With platinum fine wire welded onto the nickel alloy center electrode and a platinum pad welded to the ground electrode, these products provide long-lasting service...
      Designed to provide dependable and long-lasting performancePlatinum center and ground electrodes ensure longer life
      $4.67
    • (0 reviews)
      # mpn2341144
      Mercedes SL55 AMG 5.5L 2003, Iridium Spark Plug by Champion®. As the leaders in precious metal technologies as well as F.I.S.S resistor technology and MLR™ technology, Champion spark plugs provide enhanced ignition and longer life.
      Designed to provide dependable performance and long-lasting service lifeIridium center electrode and "laser-locked" platinum ground electrode ensure maximum life
      $5.13
    • (0 reviews)
      # mpn2326808
      Mercedes SL Class 5.0L 2003, Nickel Spark Plug by Champion®. Designed and manufactured to meet or exceed OE standards and specifications, these spark plugs by Champion ensure fast engine start-up and smooth acceleration. The products...
      Expertly crafted from premium materialsDesigned to match rigorous quality standards
      $1.50
    • (0 reviews)
      # 524011790
      Mercedes SL Class 2003, Platinum Power Spark Plug by Champion®. With a platinum tip welded to a nickel alloy center electrode, these spark plugs provide superior wear characteristics. Combining a thin-wire center electrode with a...
      Platinum center electrode reduces gap growth, lowering the voltage requirements, in turn reducing the chance of misfireThin center electrode and v-trimmed ground electrode enhance ignitability and reduce quenching
      $2.04 - $4.67
    • (0 reviews)
      # mpn2354029
      Mercedes SL500 / SL55 AMG 2003, Spark Plug Wire Set by Beru®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturershe finest quality at a great price
      $186.74
    • (0 reviews)
      # 601978308
      Mercedes SL Class 2003, Spark Plug Wire by Bremi®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste your time...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $18.75 - $19.14
    • (0 reviews)
      # mpn1755705
      Mercedes SL500 / SL55 AMG 2003, Spark Plug Wire Set by Bremi®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $205.61
    • (0 reviews)
      # mpn4255115446
      Mercedes SL500 / SL55 AMG 2003, Ignition Coil by URO Parts®. This superior electrical part by URO is a great alternative solution to the costly factory equipment that will help you restore smooth and efficient operation of your vehicle....
      Designed to replace your worn out or cracked factory partHelps to restore proper operation of your vehicle
      $32.97
    • (0 reviews)
      # 819549207
      Mercedes SL Class 2003, Spark Plug Wire Set by Karlyn STI®. Requires 1 per Vehicle. Get these top-notch spark plug wires to achieve maximum performance out of your ignition system. They are designed with precision and functionality in...
      Spiral coreStainless steel magnetic conductive winding
      $157.86
    • (0 reviews)
      # 210561814
      Mercedes SL Class 2003, Intermotor™ Ignition Knock (Detonation) Sensor by Standard®. Designed utilizing the latest technology, this product by Standard features premium quality and will perform better than advertised. Perfect for your...
      Genuine Intermotor QualityStandard knock sensors are designed to respond to knock frequencies up to 1000 Hz accommodating shifts in engine knock frequency making it a more flexible sensor responding to correct engine knock over a broad range of vehicle conditions
      $48.08
    • (0 reviews)
      # 577963862
      Mercedes SL500 / SL55 AMG 2003, Professional™ Ignition Knock (Detonation) Sensor Connector by ACDelco®. Designed utilizing the latest technology, this product by ACDelco features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.08 - $12.07
    • (0 reviews)
      # 66784259
      Mercedes SL Class 2003, Ignition Knock (Detonation) Sensor by Beck Arnley®. Designed utilizing the latest technology, this product by Beck Arnley features premium quality and will perform better than advertised. Perfect for your vehicle...
      Used to detect engine knocking and to retard the ignition correspondingly in order to prevent engine damageSensor mounted near the cylinder bores in the cylinder block
      $36.07
    • (0 reviews)
      # 577957438
      Mercedes SL Class 2003, Ignition Knock (Detonation) Sensor by Bosch®. A knock sensor is vital for detecting engine pinging. Optimize your engine performance and prevent other engine components from damage by simply replacing your faulty...
      High Precision Even under Extreme ConditionsImproved efficiency and prolonged engine life
      $42.00
    • (0 reviews)
      # mpn26598344
      Mercedes SL Class 5.0L 2003, Ignition Harness by Genuine®. Is your vehicle hard to start? Does it miss under load and idle rough? Is your gas mileage not what it used to be? Your ignition system may need repair, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturersThe finest quality at a great price
      $18.45
    • (0 reviews)
      # 803919841
      Mercedes SL Class 5.0L 2003, PlasmaCore™ Inconel Electrode Pulse Plug with Resistor by Pulstar®. Inconel-electrode Pulse Plugs. Designed specifically for most popular vehicles, PlasmaCore™ Inconel Electrode Pulse Plug provides...
      Increased horsepowerBetter torque
      $14.95 - $119.60
    • (0 reviews)
      # mpn2870416265
      Mercedes SL500 / SL55 AMG 2003, Prestolite ProConnect Spark Plug Wire Set by Accel®. Set of 16 Pieces. ProConnect ignition wire sets meet or exceed OE/OES specifications, performance and quality. These cables match the original color...
      Carbon impregnated fiberglass coreFiberglass braid for added strength
      $211.95
    • (0 reviews)
      # mpn3806711750
      Mercedes SL Class 5.0L 2003, Spark Plug by MSD®. Quantity: 1 Pack. Plug Gap: 0.040". Plug Type: 7IR5Y. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $6.44
    • (0 reviews)
      # 35982157
      Spark Plug Tools by Cal-Van Tools®. Used to repair damaged heads from blown spark plugs with an alloy steel insert. Saves time, increases profit for the shop. Repair time could be as low as 20 minutes per fix. Features an installation...
      Made with precision and quality in mindBuilt to last
      $4.62 - $243.69
    • (0 reviews)
      # 35982120
      Spark Plug Socket by Grey Pneumatic®.
      Made with precision and quality in mindBuilt to last
      $19.09 - $47.78
    • (0 reviews)
      # mpn1608451
      Inline Spark Tester by Lisle®. Quickly diagnose problems with all ignition systems. Connect the tool between the spark plug and the plug wire. The tool is double-ended to offer a straight boot and a 90boot on one tool. With the engine...
      Quickly diagnose problems with all ignition systemsConnect the tool between the spark plug and the plug wire
      $12.71
    • (0 reviews)
      # 21558380
      Spark Plug Gapper by Lisle®. Take care of your vehicle and make the most stubborn job easier with this product by Lisle. It is designed to provide high quality, excellent performance, and long-lasting service life at an economical price.
      Designed to help you get the job done quickly and easilyFor regular maintenance to major repairs
      $3.07
    • (0 reviews)
      # 35982162
      Spark Plug Tools by Lisle®. Take care of your vehicle and make the most stubborn job easier with this product by Lisle. It is designed to provide high quality, excellent performance, and long-lasting service life at an economical price.
      Made with precision and quality in mindBuilt to last
      $3.22 - $351.76
    • (0 reviews)
      # 35982185
      Spark Plug Wire Tools by Lisle®. Take care of your vehicle and make the most stubborn job easier with this product by Lisle. It is designed to provide high quality, excellent performance, and long-lasting service life at an economical...
      Made with precision and quality in mindBuilt to last
      $8.51 - $10.50
    • (0 reviews)
      # mpn1608441
      Spark Tester by Lisle®. Tests Spark Plugs, Spark Plug Wires and Coils Without Puncturing the Wire. With the engine running, place the grooved end of the tool over the plug wire. The bulb will flash to indicate spark. Gives a Visual...
      Quickly diagnose problems with all ignition systemsConnect the tool between the spark plug and the plug wire
      $9.08
    • (0 reviews)
      # 98992185
      3/8" Dr. 6 Pt U-Joint Spark Plug Socket by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $4.68 - $5.50
    • (0 reviews)
      # 98992314
      Spark Plug Socket by Powerbuilt®.
      Made with precision and quality in mindDesigned to meet your specific needs
      $1.95 - $9.30
    • (0 reviews)
      # mpn2533635
      Coil On Plug Ignition Spark Checker by S&G Tool Aid®. Coil On Plug Ignition Spark Checker A quick way to troubleshoot the contemporary "coil on plug" ignition systems found on General Motors, Chrysler, Ford and import vehicles. Flashing...
      Made with precision and quality in mindBuilt to last
      $14.24
    • (0 reviews)
      # 35982175
      Spark Plug Tools by SK®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great quality at an...
      Made with precision and quality in mindBuilt to last
      $3.58 - $21.19
    • (0 reviews)
      # 22564871
      Sav-A-Thread Spark Plug Repair Kit by HeliCoil®, Thread Size - M14 x 1.25. This kit is specially designed to repair damaged taper seat spark plug port threads. No drilling is required and the positive mechanical locking feature on the...
      Designed to repair taper seat spark plug port threadsCan also be used to repair gasketed spark plug configurations
      $21.98 - $166.69
    • (0 reviews)
      # 22564874
      Spark Plug Thread Repair Inserts by HeliCoil®, 6 per package. Today damaged spark plug port threads can be easily restored to like-new condition with these spark plug thread repair inserts. Create a lasting repair in a cylinder head...
      Designed to repair, protect, and strengthen spark plug port threadsRestores the cylinder head to useable condition
      $5.70 - $9.41
    • (6 reviews)
      # 22564909
      Thread Repair Kit by HeliCoil®, Prewinder Body Not Included. This kit contains everything required to repair, protect, and strengthen threads in applications made of just about any materials including aluminum, magnesium, cast iron,...
      Designed for repairing damaged threadsInserts precision formed from 304 stainless steel
      $17.82 - $133.74
    • (0 reviews)
      # mpn1609068
      Deep Hole Aluminum Head M14 x 1.25 Spark Plug Hole Repair by Lisle®. Replaces stripped spark plug threads on aluminum heads with 14mm spark plugs. Installs a new spark plug thread insert in original thread location. Set includes...
      Made with precision and quality in mindBuilt to last
      $81.78
    • (0 reviews)
      # mpn2533559
      Spark Plug Cleaner by S&G Tool Aid®. Includes sand. These practical and effective audio/video installation tools are right what the ordered for proper audio/video installation. They will give you maximum convenience when installing your...
      Made with precision and quality in mindBuilt to last
      $35.87
    • (0 reviews)
      # mpn1433825
      Universal Digital Ignition Tester by MSD®. Signal Channel. Sync Pickup. Designed utilizing the latest technology, this product by MSD features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Hand held tester generates a trigger signal to check the operation of MSD single channel Ignitions and the coil (6, 7, 8 and 10 Series Ignition Controls)LCD display shows the simulated RPM and can be used to confirm the operation of rev limits, rpm activated switches, shift lights and tachometers
      $295.95




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    Popular Products



    2003 Mercedes SL Class Ignition Parts Reviews

    Average rating:  4.5  4.5 - 3 reviews
    4 of 5
    4 ****
    The product work great and way easy to install. Although nothing is ever easy but this tool made the project a lot easier.
    SPosted by Shawn (Monroeville, NJ) / December 16, 2016
    Was this review helpful for you? Yes
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