HomeIgnition > Ignition CoilBeck Arnley 178-8381 Direct Ignition Coil
Part #: 178-8381

Beck Arnley 178-8381 Direct Ignition Coil

12 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Mercedes-Benz, E420, S420, S500, and SL500
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Reliable Ignition Coil for Mercedes-Benz E420, S420, S500, SL500

The Beck Arnley 178-8381 direct ignition coil is engineered to deliver consistent ignition performance for select Mercedes-Benz models. Designed specifically for the E420, S420, S500, and SL500, this ignition coil ensures proper spark delivery to maintain engine efficiency and smooth operation.

  • Direct ignition coil designed for Mercedes-Benz E420, S420, S500, and SL500
  • Part number 178-8381 for precise fit and compatibility
  • Manufactured by Beck Arnley, a trusted name in automotive components
  • Contains chromium hexavalent chemical, handled with appropriate safety measures
  • Improves ignition reliability and engine performance

Product Details and Chemical Safety Information

The Beck Arnley 178-8381 ignition coil is a direct ignition coil that replaces the factory unit on compatible Mercedes-Benz vehicles. It is constructed to meet OEM specifications, ensuring proper electrical conductivity and durability. This part contains chromium hexavalent, a chemical that requires careful handling during installation and disposal. Users should follow all recommended safety guidelines to minimize exposure. The presence of this chemical is noted for compliance and awareness purposes.

Compatible Vehicles and Applications

This ignition coil is compatible with the following Mercedes-Benz models:

  • Mercedes-Benz E420
  • Mercedes-Benz S420
  • Mercedes-Benz S500
  • Mercedes-Benz SL500

It is designed to restore ignition system functionality, ensuring proper spark timing and engine performance in these vehicles.

Common Issues Addressed by This Ignition Coil

  • Engine misfires or rough idling
  • Difficulty starting the engine
  • Reduced fuel efficiency due to incomplete combustion
  • Check engine light related to ignition faults
  • Loss of power or hesitation during acceleration

Installation Notes and Tips

When installing the Beck Arnley 178-8381 ignition coil, ensure the engine is cool and disconnect the battery to prevent electrical shock. Handle the coil carefully to avoid damage to the electrical connectors. Due to the presence of chromium hexavalent, use gloves and avoid inhaling dust or fumes during installation. Follow vehicle-specific service manual instructions for torque specifications and connector engagement.

Quality Assurance and Warranty

Beck Arnley ignition coils are manufactured to meet or exceed OEM standards for fit, form, and function. The 178-8381 part undergoes rigorous quality control to ensure reliable performance. Warranty coverage details should be confirmed with the point of purchase or manufacturer documentation.

BrandBeck Arnley
Part Number178-8381
Are You Using The Long Form WarningY
Chemical(s) at IssueChromium hexavalent

This part fits 12 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1999Mercedes-BenzS4204.2LV8N/ACoil w/Boot
1999Mercedes-BenzS5005.0LV8N/ACoil w/Boot
1998Mercedes-BenzS4204.2LV8N/ACoil w/Boot
1998Mercedes-BenzS5005.0LV8N/ACoil w/Boot
1998Mercedes-BenzSL5005.0LV8N/ACoil w/Boot
1997Mercedes-BenzE4204.2LV8N/ACoil w/Boot
1997Mercedes-BenzS4204.2LV8N/ACoil w/Boot
1997Mercedes-BenzS5005.0LV8N/ACoil w/Boot
1997Mercedes-BenzSL5005.0LV8N/ACoil w/Boot
1996Mercedes-BenzS4204.2LV8N/ACoil w/Boot
1996Mercedes-BenzS5005.0LV8N/ACoil w/Boot
1996Mercedes-BenzSL5005.0LV8N/ACoil w/Boot

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.