Spark Plug - Bosch YR-7-MPP-33. 8 x Ignition Coil With Spark Plug Connector. The item "Ignition Tune-up kit Spark plugs + Coils BOSCH/DELPHI for Mercedes G550 CLK550" is in sale since Saturday, March 20, 2021. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Ignition Systems\Spark Plugs & Glow Plugs". The seller is "partsimport" and is located in Los Angeles, California. This item can be shipped worldwide. Brand: BOSCH / DELPHI Manufacturer Part Number: 424235