URO Q4150027 Spark Plug Wire Set

Mercedes-Benz Ignition Wire Replacement

Restore proper ignition performance with this URO spark plug wire set, part number Q4150027. It is a direct OE-style replacement for select Mercedes-Benz models, including 190E, 260E, 300E, 300CE, 300SE, 300SEL, and 300TE applications.

Fits 1987-1993 Mercedes-Benz 190E, N/A. Fits 1986-1993 Mercedes-Benz 300E, N/A. Fits 1988-1993 Mercedes-Benz 300TE, N/A. Fits 1988-1991 Mercedes-Benz 300SE, N/A. Fits 1988-1991 Mercedes-Benz 300SEL, N/A. Fits 1987-1989 Mercedes-Benz 260E, N/A. Fits 1988-1989 Mercedes-Benz 300CE, N/A.

Key Features

• Direct replacement ignition wire set for OE-style fit and appearance
• Restores smooth engine operation and proper power output after wire failure
• Wire and connector design supports strong spark delivery with reduced current draw
• Heat- and ozone-resistant sheath and boot materials resist engine heat and petroleum contaminants
• URO Q4150027 application coverage for select Mercedes-Benz inline-six and four-cylinder models
• 24 Month Unlimited Mileage Warranty

Detailed Description

URO Q4150027 is a spark plug wire set built for Mercedes-Benz ignition service on 190E, 260E, 300E, 300CE, 300SE, 300SEL, and 300TE models. It replaces worn or failed original ignition wires with an OE-style solution that supports consistent spark transfer, stable idle quality, and correct engine response. This part cross-references 175-5917 and 09146 for the same application.

Common Issues This Part Can Address

• Rough idle caused by deteriorated ignition wires
• Misfire from cracked or heat-damaged wire insulation
• Loss of power from weak spark delivery
• Hard starting related to worn plug wire connectors
• Intermittent engine performance from contaminated or aged ignition leads

Installation Notes

Verify engine application before installation and route each lead to match the original layout. Inspect spark plugs, distributor cap, and ignition components at the same time to avoid repeat service. Confirm each boot is fully seated and kept away from hot exhaust or sharp edges.

Quality Assurance

Built with heat- and ozone-resistant materials for demanding underhood conditions. Backed by a 24 Month Unlimited Mileage Warranty.