HomeIgnition > Ignition CoilBeck Arnley 178-8591 Direct Ignition Coil
Part #: 178-8591

Beck Arnley 178-8591 Direct Ignition Coil

⚙️ 65 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Mercedes-Benz, Metris, Sprinter 1500, Sprinter 2500, GLA250, SLC300, CLA250, E300, GLC300, GLC350e, C300, C350e, CLA45 AMG, GLA45 AMG, and SLK300
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Reliable Ignition Coil for Infiniti and Mercedes-Benz Vehicles

The Beck Arnley 178-8591 direct ignition coil is engineered to deliver consistent ignition performance for select Infiniti and Mercedes-Benz models. Designed to meet OEM specifications, this ignition coil ensures efficient spark delivery and reliable engine operation.

  • Direct ignition coil design for precise spark control
  • Compatible with Infiniti Q50, Q60, QX30, and Mercedes-Benz C300, CLA45 AMG, GLC300, and more
  • OEM-quality construction for durability and performance
  • Part number 178-8591 for accurate fitment and replacement
  • Supports both gasoline and hybrid models like the Mercedes-Benz C350e and GLC350e

Product Details and Compatibility

This Beck Arnley ignition coil 178-8591 is specifically designed for direct ignition systems found in a range of Infiniti and Mercedes-Benz vehicles. It fits models including the Infiniti Q50, Q60, and QX30, as well as Mercedes-Benz C300, CLA250, CLA45 AMG, GLA250, GLA45 AMG, GLC300, GLC350e, E300, SLC300, SLK300, Metris, and Sprinter 1500/2500. The coil is engineered to provide consistent spark energy, which is critical for optimal combustion and engine efficiency. Its direct ignition coil design eliminates the need for spark plug wires, reducing potential points of failure and improving ignition reliability.

Common Applications and Problem Resolution

  • Replaces faulty or worn ignition coils causing engine misfires
  • Addresses rough idling and poor acceleration issues
  • Resolves check engine light codes related to ignition coil failure
  • Improves fuel efficiency by ensuring proper spark timing
  • Prevents engine stalling and starting difficulties

Installation Notes and Tips

Installation of the Beck Arnley 178-8591 ignition coil requires basic automotive tools and mechanical knowledge. Before installation, disconnect the vehicle battery to prevent electrical shock. Remove the engine cover if necessary to access the ignition coils. Carefully disconnect the electrical connector and remove the mounting bolts securing the coil. Install the new coil by reversing the removal steps, ensuring all connections are secure. It is recommended to inspect spark plugs during coil replacement to maintain optimal ignition system performance.

Quality Assurance and Warranty Information

Beck Arnley ignition coils are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 178-8591 ignition coil undergoes rigorous quality control testing to verify electrical and mechanical integrity. This part is backed by a limited warranty, providing coverage against defects in materials and workmanship under normal use conditions.

This part fits 65 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2022Mercedes-BenzMetris2.0LL4N/ADelphi Ignition
2022Mercedes-BenzSprinter 15002.0LL4N/ADelphi Ignition
2022Mercedes-BenzSprinter 25002.0LL4N/ADelphi Ignition
2021Mercedes-BenzMetris2.0LL4N/A
2021Mercedes-BenzSprinter 15002.0LL4N/A
2021Mercedes-BenzSprinter 25002.0LL4N/A
2020Mercedes-BenzGLA2502.0LL4N/A
2020Mercedes-BenzGLC350e2.0LL4N/ADelphi Ignition
2020Mercedes-BenzMetris2.0LL4N/A
2020Mercedes-BenzSLC3002.0LL4N/A
2020Mercedes-BenzSprinter 15002.0LL4N/A
2020Mercedes-BenzSprinter 25002.0LL4N/A
2019INFINITIQ502.0LL4N/A
2019INFINITIQX302.0LL4N/A
2019Mercedes-BenzCLA2502.0LL4N/A
2019Mercedes-BenzE3002.0LL4N/A
2019Mercedes-BenzGLA2502.0LL4N/A
2019Mercedes-BenzGLC3002.0LL4N/A
2019Mercedes-BenzGLC350e2.0LL4N/A
2019Mercedes-BenzMetris2.0LL4N/A
2019Mercedes-BenzSLC3002.0LL4N/A
2019Mercedes-BenzSprinter 15002.0LL4N/A
2019Mercedes-BenzSprinter 25002.0LL4N/A
2018INFINITIQ502.0LL4N/A
2018INFINITIQ602.0LL4N/A
2018INFINITIQX302.0LL4N/A
2018Mercedes-BenzC3002.0LL4N/A
2018Mercedes-BenzC350e2.0LL4N/A
2018Mercedes-BenzCLA2502.0LL4N/A
2018Mercedes-BenzE3002.0LL4N/A
2018Mercedes-BenzGLA2502.0LL4N/A
2018Mercedes-BenzGLC3002.0LL4N/A
2018Mercedes-BenzGLC350e2.0LL4N/A
2018Mercedes-BenzMetris2.0LL4N/A
2018Mercedes-BenzSLC3002.0LL4N/A
2017INFINITIQ502.0LL4N/A
2017INFINITIQ602.0LL4N/A
2017INFINITIQX302.0LL4N/A
2017Mercedes-BenzC3002.0LL4N/A
2017Mercedes-BenzC350e2.0LL4N/A
2017Mercedes-BenzCLA2502.0LL4N/A
2017Mercedes-BenzCLA45 AMG2.0LL4N/ATo 7/1/16
2017Mercedes-BenzE3002.0LL4N/A
2017Mercedes-BenzGLA2502.0LL4N/A
2017Mercedes-BenzGLA45 AMG2.0LL4N/ATo 7/1/16
2017Mercedes-BenzGLC3002.0LL4N/A
2017Mercedes-BenzMetris2.0LL4N/A
2017Mercedes-BenzSLC3002.0LL4N/A
2016INFINITIQ502.0LL4N/A
2016Mercedes-BenzC3002.0LL4N/A
2016Mercedes-BenzC350e2.0LL4N/A
2016Mercedes-BenzCLA2502.0LL4N/A
2016Mercedes-BenzCLA45 AMG2.0LL4N/ATo 7/1/16
2016Mercedes-BenzGLA2502.0LL4N/A
2016Mercedes-BenzGLA45 AMG2.0LL4N/ATo 7/1/16
2016Mercedes-BenzGLC3002.0LL4N/A
2016Mercedes-BenzMetris2.0LL4N/A
2016Mercedes-BenzSLK3002.0LL4N/A
2015Mercedes-BenzC3002.0LL4N/A
2015Mercedes-BenzCLA2502.0LL4N/A
2015Mercedes-BenzCLA45 AMG2.0LL4N/A
2015Mercedes-BenzGLA2502.0LL4N/A
2015Mercedes-BenzGLA45 AMG2.0LL4N/A
2014Mercedes-BenzCLA2502.0LL4N/A
2014Mercedes-BenzCLA45 AMG2.0LL4N/A

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

This part directly replaces or is cross-referenced with the following part numbers:

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.