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The NGK spark plug wire set for Mercedes‑Benz 250 (1971–1972) uses tinned copper core construction for dependable OE-style fit, paired with a high‑temp silicone outer jacket and EPDM/silicone inner insulation for reliable dielectric protection. NGK’s RFI suppression is built into the connectors and metallic resistor boots; glued boots with silicone sealer yield watertight joints. This 6‑wire kit includes a coil lead and is covered by a limited lifetime warranty.
NGK Mercedes-Benz 250 1972-1971 Spark Plug Wire Set
