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AAZ Preferred Spark Plug Wire Set; With Spark Plugs and Tool; KIT | 1121500019KIT

Mercedes E320, ML350, ML320, C280, CLK320, C240, C320, SLK320, SLK32 AMG, C32 AMG
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P/N: 1121500019KIT AAZ Preferred KIT
With Spark Plugs and Tool; KIT
  • Ignition tune-up kit for Mercedes M112 V6 engines with spark plugs, ignition wires, and plug wire removal tool to restore factory performance every 60,000 miles
  • (12) 9652 - Original equipment Bosch ultra fine wire Iridium electrode upgraded replacement spark plugs
  • (1) 1121500019 - Bremi/STI 228533112 replacement spark plug wire set
  • (1) 110589010100 - Karlyn-STI specialized combination 17mm wrench and spark plug wire connector removal tool for Mercedes M112 V6 and M113 V8 engines
  • Fits Mercedes C240 2001-2005, C280 1998-2000, C32 AMG 2002-2004, C320 2001-2005, CLK320 1998-2005, E320 1998-2005, ML320 1998-2002, ML350 2003-2005, SLK32 AMG 2002-2004, and SLK320 2001-2004

Spark plug wires carry high voltage from either an ignition distributor or an ignition coil to spark plugs to create the spark needed for engine combustion. Spark plug wires, sometimes referred to as ignition wires or high tension lead, are large gauge solid copper or carbon fiber wires. They contain a conduction suppressive insulator to prevent electrical arcing, a fiberglass braid coating to prevent breaking, a rubber or silicon outer jacket to protect the wire from engine heat and fray, and an electrical connection on each end covered with a boot, one for the spark plug and one for the connection to the distributor cap or ignition coil. Spark plug wires are manufactured at just the right length to reach the spark plug and no more to reduce potential resistance that can hinder voltage flow.

Spark plug wires are capable of carrying voltage as high as 50,000 volts. Carrying this much voltage in one direction causes the electrical terminals to wear down over time. Furthermore, the rubber or silicon jacket of the spark plug wires can wear allowing the inner insulator layer of the spark plug wire to become exposed and wear, causing the wire to arc voltage to the engine, weakening the spark created by the spark plug and lowering engine performance and fuel economy.

Replacing Your Mercedes Spark Plug Wires

Spark plug wires should be replaced at regular intervals along with the spark plugs, and if equipped, with the distributor cap and distributor rotor. Spark plug wire replacement intervals vary based on the auto manufacturer and can range from 30,000 all the way to 100,000 miles.

Spark plug wires can be difficult to remove and replace depending on their position in the engine bay. Special spark plug wire removal tools are available to make it easier to reach and remove spark plug wires.

View more Mercedes Spark Plug Wires.

Left = Driver side and Right = Passenger side.
All parts are priced individually unless identified as a set or kit. "Per car" notes identify how many of a given part your car has and "Left/Right or Front/Rear" notes means the part fits the left or right side of the car. These parts are still sold individually and you'll need to select the appropriate quantity if you plan to replace more than one of this item.

Kit Contents

This part number is sold as a kit and contains the following parts below.

9652 Bosch Iridium Spark Plug
9652 OEM
Bosch original equipment design with ultra-fine wire iridium center...
110589010100 Karlyn-STI Spark Plug Connector Tool; Spark Plug Boot Puller Combination Wrench, 17mm

Frequently Viewed Together

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What This AAZ Preferred Spark Plug Wire Set Fits?

Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.

01-05 - C240 Base, 4Matic
98-00 - C280
02-04 - C32 AMG
01-05 - C320 Base, 4Matic
98-05 - CLK320
98-05 - E320 Base, 4Matic
98-02 - ML320
03-05 - ML350
02-04 - SLK32 AMG
01-04 - SLK320