Karlyn 642 Spark Plug Wire Set

Karlyn Bremi-STI Ignition Wire Set for Mercedes-Benz

The Karlyn Bremi-STI 642 spark plug wire set is built with OEM boot type and OEM engine application details for a direct-fit ignition service part. Finished in black, it is made for Mercedes-Benz C230 and SLK230 applications listed below.

Key Features

• OEM boot type for OE-style fitment at the ignition connection points
• Black wire set for a clean factory-style appearance
• OEM engine application focus for Mercedes-Benz ignition service
• Part number 642 for accurate ordering and catalog matching
• Bremi-STI product line coverage for ignition wire and related components

Product Details

Karlyn part number 642 is a spark plug wire set in the Bremi-STI line, cataloged under ignition wire and related components. It is listed for 1997-2000 Mercedes-Benz C230 and 1998-2000 Mercedes-Benz SLK230 applications, with fitment notes indicating use with 2 leads and 2 coil connectors PN[483B]. For a complete tune-up on the listed applications, the notes also reference coil replacement with PN[5004].

The Bremi-STI line focuses on ignition service parts built around OE-style fitment requirements, making this wire set a practical choice when replacing aging ignition leads on Mercedes-Benz C230 and Mercedes-Benz SLK230 models. The Karlyn 642 designation helps confirm the correct ignition wire set for these specific vehicles.

Vehicle Fitment

• Fits 1997-2000 Mercedes-Benz C230, N/A. Notes: Has 2 leads; 2 coil connectors PN[483B]; purchase 2 coils PN[5004] for a complete tune-up; Bremi-STI.
• Fits 2000 Mercedes-Benz SLK230, N/A. Notes: Has 2 leads; 2 coil connectors PN[483B]; Bremi-STI.
• Fits 1998-1999 Mercedes-Benz SLK230, N/A. Notes: Has 2 leads; 2 coil connectors PN[483B]; purchase 2 coils PN[5004] for a complete tune-up; Bremi-STI.

Common Replacement Reasons

• Misfires caused by worn ignition wires
• Hard starting related to degraded spark delivery
• Rough idle from weakened wire insulation or connection wear
• Intermittent ignition performance on Mercedes-Benz C230 and SLK230 models
• Factory-style replacement during ignition system service

Installation Notes

Verify the vehicle year and model before ordering, since fitment differs between Mercedes-Benz C230 and SLK230 applications. Match the wire routing, coil connector requirements, and the listed PN[483B] coil connector reference during installation. Follow the vehicle service procedure for ignition component replacement and inspect related ignition parts at the same time.

Quality Assurance

This Karlyn Bremi-STI ignition wire set is cataloged as an OEM-style replacement part for the listed Mercedes-Benz applications. Use the part number 642 and the fitment notes to confirm application accuracy before installation.