NGK tinned copper core wire sets provide excellent OE fit, performance and durability. High-temp premium silicone outer jacket and inner EPDM/silicone insulation contain high voltage currents for excellent dielectric strength. As required on certain European models, NGK utilizes a premium 29 gauge galvanized, tinned core core wire. RFI suppression is located close to the source and thus built into NGK's OE designed spark plug and distributor connectors and metallic resistor boots. Spark plug boots are glued to NGK cable with a silicone sealer for a watertight seal. 6 Wires (w/Coil Lead)

LIMITED LIFETIME WARRANTY: See package for details

The NGK Mercedes-Benz 250 Spark Plug Wire Set Part 54409 offers exceptional electrical performance and durability tailored for vintage Mercedes-Benz models from 1966 to 1970. Featuring high-quality tinned copper core wires, this set ensures reliable high-voltage transmission with excellent dielectric strength. The premium silicone outer jacket provides heat resistance and weatherproofing, while the internal EPDM and silicone insulation safeguard against electrical interference and enhance longevity. Designed with OE fitment in mind, these wires include a coil lead and are compatible with models such as the 1966 through 1970 Mercedes-Benz 250 series.
This wire set incorporates RFI suppression built directly into the OE-designed connectors and metallic resistor boots, reducing radio frequency interference for a clearer audio experience. The spark plug boots are glued with a silicone sealer to ensure a watertight seal, protecting against moisture and corrosion. Each set is engineered to meet or exceed original specifications, ensuring optimal engine performance and reliability.
As a premium aftermarket replacement, the NGK Spark Plug Wire Set delivers a secure fit and consistent performance, backed by a limited lifetime warranty. Whether restoring a vintage Mercedes-Benz or maintaining a classic vehicle, this wire set is engineered for durability and dependable operation, making it an essential component for enthusiasts and professionals alike.

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