NGK 54181 Spark Plug Wire Set

NGK Spark Plug Wire Set for Mercedes-Benz V8 Applications

NGK Spark Plug Wire Set 54181 is a specific-fit ignition wire set built for select Mercedes-Benz V8 models from the early 1990s through the mid-1990s. It uses blue silicone insulation, a tinned copper core, and noise suppression construction to support stable spark delivery and cleaner ignition performance.

Key Features

• Specific-fit design for confirmed Mercedes-Benz applications
• Blue silicone insulation for heat resistance and durability
• Tinned copper core for reliable conductivity
• Noise suppression type construction
• 7.00 mm insulation outside diameter
• NGK Spark Plug Wire Set 54181 / RC-EUC051

Product Details

NGK is known for ignition components backed by extensive OE experience and global automotive coverage. This wire set reflects that focus with materials selected for consistent electrical transfer and long-term service in demanding ignition systems. It is a direct-fit replacement for select Mercedes-Benz E-Class, S-Class, and SL-Class V8 models, including 1992-1995 Mercedes-Benz 400E, 400SE, 400SEL, 500E, 500SEL, 500SEC, 500SL, E420, S420, S500, SL500, and 1994 Mercedes-Benz E500 applications. Part number 54181 is also identified as RC-EUC051.

This part cross-references DENSO Auto Parts 671-8130 for the same application.

What It Helps Address

• Misfires caused by worn or heat-damaged ignition wires
• Hard starting related to weak spark transfer
• Rough idle from inconsistent ignition output
• Radio-frequency interference in ignition systems
• Voltage loss across aging wire insulation or terminals

Installation Notes and Tips

Verify engine application before ordering and match the wire routing to the original layout on the vehicle. For Mercedes-Benz 400E, 400SE, 400SEL, 500E, 500SEL, 500SEC, 500SL, E420, S420, S500, SL500, and E500 models, inspect plugs, distributor components, and coil-related parts at the same time to avoid repeat ignition faults. Confirm each lead is fully seated and routed away from heat sources and moving components.

Quality Assurance

NGK manufactures ignition products to OE-level durability and performance standards, supported by more than 80 years of automotive experience and broad coverage across domestic and import vehicles. NGK Spark Plug Wire Set 54181 is built for dependable replacement service in confirmed Mercedes-Benz applications.