Beck Arnley 178-8599 Direct Ignition Coil

OE-Style Ignition Coil for Mercedes-Benz

Beck Arnley 178-8599 is a direct ignition coil built for foreign-nameplate OE replacement applications. It is designed around form, fit, and function so you can replace a failing coil with a part that matches the original setup on select Mercedes-Benz models.

Compatible With Mercedes-Benz SL550, S550, E350, CLS550, GL550, ML350, and other listed applications across 2011-2020 model years.

Key Features

• Direct ignition coil replacement for OE-style service
• 4 male terminals for the specified electrical connection
• Mounting hardware not included
• Built to Beck Arnley requirements and specifications
• OE-focused sourcing for foreign nameplate applications
• Part number 178-8599 for easy identification

Application Details

This Beck Arnley ignition coil is engineered for direct replacement use on select Mercedes-Benz vehicles, including 2013-2020 Mercedes-Benz SL550, 2012-2017 Mercedes-Benz S550, and 2012-2016 Mercedes-Benz E350. It also covers additional applications such as 2016-2019 Mercedes-Benz GLE63 AMG, 2017-2019 Mercedes-Benz GLS550, and 2013-2018 Mercedes-Benz G63 AMG. For AMG applications with cylinder-specific notes, verify the listed cylinder positions before ordering. The part number 178-8599 is intended for buyers looking for an OE-style ignition coil replacement that matches the original vehicle configuration.

Common Problems This Part Can Address

• Engine misfire caused by a weak or failed ignition coil
• Rough idle or hesitation during acceleration
• Hard starting related to ignition output loss
• Check engine light triggered by coil-related fault codes
• Loss of spark performance on the affected cylinder

Installation Notes

Confirm the exact year, model, and cylinder application before installation, especially on AMG listings with cylinder-specific fitment notes. Inspect the coil connector, terminals, and spark plug condition during service to avoid repeat ignition issues. Mounting hardware is not included, so reuse or source the required hardware as needed for the vehicle.

Quality Assurance

Beck Arnley parts are sourced and specified to meet OE-style expectations for foreign vehicles, with attention to fit and function. The brand’s global sourcing network and product standards support consistent replacement quality for Mercedes-Benz ignition service. Part number 178-8599 is built for direct replacement use on the listed applications.