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Get the Best Priced Mercedes 450SL Spark Plugs

Spark plugs are the pieces of equipment that provide the spark to engine cylinders, thereby igniting the mixture of fuel and oxygen that powers your Mercedes 450SL's internal combustion engine. Spark plugs wear out overtime, causing performance issues that can vary from rough idling to cylinder misfires. Automobile manufacturers recommend replacing spark plugs at least every 30,000 miles. Most drivers, however, replace their spark plugs and sparkplug wires every time they tune their vehicles. You can buy replacement spark plugs for your Mercedes 450SL at PartsGeek.com.

Spark plugs receive high voltage current from the ignition coil. At the sparking end of the plug, there's a tiny gap between two tiny pieces of metal. The spark generated by the plug must jump this gap. Over time, the gap gets wider and the spark generated by the plug becomes unable to bridge the required distance.

They are available for the following Mercedes 450SL years: 1980, 1979, 1978, 1977, 1976, 1975, 1974, 1973, 80, 79, 78, 77, 76, 75, 74, 73. This part is also sometimes called Mercedes 450SL Spark Plug. We stock spark plugs parts for most Mercedes models including E320, C230, ML320, S500, C280, 300E, C240, 190E, E55 AMG, ML430, S430, SLK230, CLK320, 560SL, ML350, CLK430, SL500, E500, 380SL, C320, E430, E350, 300SE, S320, C220, E420, 420SEL, 300TE, S600, 500SL, S420, 260E, 560SEL, 280SE, 300CE, CLK55 AMG, 500SEL, C300, ML500 and 300SEL.

We stock these Spark Plugs brands for the Mercedes 450SL: Bosch, NGK, Champion, Denso, AC Delco and Accel.

Click to Enlarge (Read reviews) 73 1973 Mercedes 450SL Spark Plug Bosch WR 8 DC+ Retail: $4.95 Your Price: $3.25 Quantity: Qty Available: 12 (12) In Stock Product SKU: W0133-1803344 Product Note: W 8 DC Important Product Info: WR 8 DC+ Inventory: In Stock Condition: New Shipping Options: Ground, Overnight, 2 Day Additional Fitment Information: Warehouse: A Vehicle • 1973 (73) Mercedes 450SL

Click to Enlarge (Read reviews) 79 1979 Mercedes 450SL Spark Plug Bosch WR 8 DC+ Retail: $4.95 Your Price: $3.25 Quantity: Qty Available: 12 (12) In Stock Product SKU: W0133-1803344 Product Note: W 8 DC Important Product Info: WR 8 DC+ Inventory: In Stock Condition: New Shipping Options: Ground, Overnight, 2 Day Additional Fitment Information: Warehouse: A Vehicle • 1979 (79) Mercedes 450SL

Click to Enlarge (Read reviews) 76 1976 Mercedes 450SL Spark Plug Bosch WR 8 DC+ Retail: $4.95 Your Price: $3.25 Quantity: Qty Available: 12 (12) In Stock Product SKU: W0133-1803344 Product Note: W 8 DC Important Product Info: WR 8 DC+ Inventory: In Stock Condition: New Shipping Options: Ground, Overnight, 2 Day Additional Fitment Information: Warehouse: A Vehicle • 1976 (76) Mercedes 450SL

Click to Enlarge (Read reviews) 80 1980 Mercedes 450SL Spark Plug NGK BP5ES NGK Retail: $4.77 Your Price: $2.25 Quantity: Qty Available: 22 (22) In Stock Product SKU: W0133-1641869 Product Note: W 8 DC Important Product Info: BP5ES NGK Inventory: In Stock Condition: New Shipping Options: Ground, Overnight, 2 Day Additional Fitment Information: Warehouse: A Vehicle • 1980 (80) Mercedes 450SL

Click to Enlarge (Read reviews) 78 1978 Mercedes 450SL Spark Plug 4.5L V8 Bosch Your Price: $3.75 Quantity: Qty Available: 2 (2) In Stock Product SKU: 4020 Product Note: Platinum Plus -- Gap 0.032 in Features: Exclusive platinum technology in the center electrode for quicker starts, smoother acceleration and increased fuel efficiency Tapered, yttrium enhanced v-profile ground electrode provides a 25% longer performance life Lower ignition voltage requirement provides reliable cold weather starting and superior operation under all driving conditions Factory-set gap ¿ once the proper gap is set, there's no need to re-gap Contains one spark plug Inventory: In Stock Condition: New Shipping Options: Ground Additional Fitment Information: Warehouse: B Vehicle Engine • 1978 (78) Mercedes 450SL 4.5L V8

Click to Enlarge (Read reviews) 77 1977 Mercedes 450SL Spark Plug 4.5L V8 Bosch Your Price: $3.75 Quantity: Qty Available: 2 (2) In Stock Product SKU: 4020 Product Note: Platinum Plus -- Gap 0.032 in Features: Exclusive platinum technology in the center electrode for quicker starts, smoother acceleration and increased fuel efficiency Tapered, yttrium enhanced v-profile ground electrode provides a 25% longer performance life Lower ignition voltage requirement provides reliable cold weather starting and superior operation under all driving conditions Factory-set gap ¿ once the proper gap is set, there's no need to re-gap Contains one spark plug Inventory: In Stock Condition: New Shipping Options: Ground Additional Fitment Information: Warehouse: B Vehicle Engine • 1977 (77) Mercedes 450SL 4.5L V8

Click to Enlarge (Read reviews) 73 1973 Mercedes 450SL Spark Plug NGK BP5ES NGK Retail: $4.77 Your Price: $2.25 Quantity: Qty Available: 22 (22) In Stock Product SKU: W0133-1641869 Product Note: W 8 DC Important Product Info: BP5ES NGK Inventory: In Stock Condition: New Shipping Options: Ground, Overnight, 2 Day Additional Fitment Information: Warehouse: A Vehicle • 1973 (73) Mercedes 450SL

Click to Enlarge (Read reviews) 79 1979 Mercedes 450SL Spark Plug 4.5L V8 Bosch Your Price: $2.75 Quantity: Qty Available: >35 (>35) In Stock Product SKU: 7911 Product Note: OE/Specialty -- Do Not Gap, Gap is Preset Features: Heavy-duty yttrium-enhanced copper core center electrode for superior reliability and increased resistance to spark erosion for a 50% longer performance life vs. even OE plugs Tapered, v-profile nickel chromium ground electrodes improves cold start performance and increases fuel ignitability Angular, five-ribbed insulator design prevents misfire due to current leakage Nickel-plated rolled threads provides complete anti-seize and corrosion protection Metal glass fused resistor maximizes interference suppression Inventory: In Stock Condition: New Shipping Options: Ground Additional Fitment Information: Warehouse: B Vehicle Engine • 1979 (79) Mercedes 450SL 4.5L V8

Click to Enlarge (Read reviews) 73 1973 Mercedes 450SL Spark Plug 4.5L V8 FI Naturally Aspirated GAS Champion Your Price: $2.75 Quantity: Qty Available: >35 (>35) In Stock Product SKU: 415 Product Note: Copper Plus -- .028; OE Type Inventory: In Stock Condition: New Shipping Options: Ground Must be purchased in quantities of 4 Additional Fitment Information: Warehouse: C Vehicle Engine • 1973 (73) Mercedes 450SL 4.5L V8 FI Naturally Aspirated GAS

Click to Enlarge (Read reviews) 77 1977 Mercedes 450SL Spark Plug Bosch WR 8 DC+ Retail: $4.95 Your Price: $3.25 Quantity: Qty Available: 12 (12) In Stock Product SKU: W0133-1803344 Product Note: W 8 DC Important Product Info: WR 8 DC+ Inventory: In Stock Condition: New Shipping Options: Ground, Overnight, 2 Day Additional Fitment Information: Warehouse: A Vehicle • 1977 (77) Mercedes 450SL

Click to Enlarge (Read reviews) 77 1977 Mercedes 450SL Spark Plug NGK BP5ES NGK Retail: $4.77 Your Price: $2.25 Quantity: Qty Available: 22 (22) In Stock Product SKU: W0133-1641869 Product Note: W 8 DC Important Product Info: BP5ES NGK Inventory: In Stock Condition: New Shipping Options: Ground, Overnight, 2 Day Additional Fitment Information: Warehouse: A Vehicle • 1977 (77) Mercedes 450SL

Click to Enlarge (Read reviews) 73 1973 Mercedes 450SL Spark Plug 4.5L V8 FI Naturally Aspirated GAS Denso Your Price: $7.75 Quantity: Qty Available: 20 (20) In Stock Product SKU: 3229 Product Note: Double Platinum -- Double Platinum Plug - Extra Long Life Double Platinum Plug with Platinum Ground Strap Inventory: In Stock Condition: New Shipping Options: Ground Additional Fitment Information: Warehouse: B Vehicle Engine • 1973 (73) Mercedes 450SL 4.5L V8 FI Naturally Aspirated GAS

Click to Enlarge (Read reviews) 78 1978 Mercedes 450SL Spark Plug Bosch WR 8 DC+ Retail: $4.95 Your Price: $3.25 Quantity: Qty Available: 12 (12) In Stock Product SKU: W0133-1803344 Product Note: W 8 DC Important Product Info: WR 8 DC+ Inventory: In Stock Condition: New Shipping Options: Ground, Overnight, 2 Day Additional Fitment Information: Warehouse: A Vehicle • 1978 (78) Mercedes 450SL

Click to Enlarge (Read reviews) 73 1973 Mercedes 450SL Spark Plug 4.5L V8 Bosch Your Price: $3.75 Quantity: Qty Available: >35 (>35) In Stock Product SKU: 4016 Product Note: Platinum Plus -- Gap 0.032 in Features: Exclusive platinum technology in the center electrode for quicker starts, smoother acceleration and increased fuel efficiency Tapered, yttrium enhanced v-profile ground electrode provides a 25% longer performance life Lower ignition voltage requirement provides reliable cold weather starting and superior operation under all driving conditions Factory-set gap ¿ once the proper gap is set, there's no need to re-gap Contains one spark plug Inventory: In Stock Condition: New Shipping Options: Ground Additional Fitment Information: Warehouse: B Vehicle Engine • 1973 (73) Mercedes 450SL 4.5L V8

Click to Enlarge (Read reviews) 74 1974 Mercedes 450SL Base Spark Plug 4.5L V8 FI Naturally Aspirated GAS AC Delco Your Price: $2.75 Quantity: Qty Available: 24 (24) In Stock Product SKU: R42XLS Product Note: Spark Plug Inventory: In Stock Condition: New Shipping Options: Ground Must be purchased in quantities of 8 Additional Fitment Information: Warehouse: C Vehicle Sub Model Engine • 1974 (74) Mercedes 450SL Base  4.5L V8 FI Naturally Aspirated GAS

Click to Enlarge (Read reviews) 80 1980 Mercedes 450SL Spark Plug Accel Your Price: $21.36 Quantity: Qty Available: 6 (6) In Stock Product SKU: 8181 Product Note: U-Groove Resistor Blister-Pak; 8 pc. Of PN[0496]; 0.032 in. Plug Gap Features: Copper Core Nickel/Chrome Steel Copper-Glass Gas-Tight Seal Electric Heat Seal Five-Rib Aluminum Insulator Less Flame Dissipation Resistor; Blister Pack U-Groove Ground Electrode Inventory: In Stock Condition: New Shipping Options: Ground Additional Fitment Information: Warehouse: F Vehicle • 1980 (80) Mercedes 450SL