Walker 921-2296 Ignition Coil

Ignition Coil Overview

Walker ThunderSpark ignition coil 921-2296 is a direct-fit replacement for a wide range of Mercedes-Benz applications. It is built for vehicles that need consistent spark output across multiple engine configurations, including models with cylinder-specific fitment notes.

Compatible With Mercedes-Benz SL550, SL63 AMG, S550, S63 AMG, E350, E550, CLS550, CLS63 AMG, GLE350, GLE63 AMG, GLS550, GLS63 AMG, GL550, GL63 AMG, ML350, ML550, ML63 AMG, GLK350, C300, C350, CL550, CL63 AMG, SLK350, SLK55 AMG, E400, E63 AMG, G63 AMG, GL450, R350, and Maybach S550 applications. This part number, 921-2296, is also listed for cylinder-specific and date-specific Mercedes-Benz fitments where noted.

Key Features

• Walker ThunderSpark product line for ignition service applications
• Direct-fit ignition coil replacement for selected Mercedes-Benz engines
• Coverage includes standard fitments plus cylinder-specific notes where required
• Supports applications with boot-included and boot-excluded listings in the catalog
• Part number 921-2296 for easy identification during lookup

Detailed Description

Walker 921-2296 is an ignition coil for Mercedes-Benz vehicles across multiple model lines and model years from 2011 through 2020. Fitment includes SL550, SL63 AMG, S550, S63 AMG, E350, E550, CLS550, CLS63 AMG, GLE350, GLE63 AMG, GLS550, GLS63 AMG, GL550, GL63 AMG, ML350, ML550, ML63 AMG, and related applications. Several listings include cylinder-specific notes, protective hose exclusions, and build-date splits, so matching the catalog notes is important when selecting the correct coil. The ThunderSpark line identifies this as part of Walker's ignition-focused product range, and 921-2296 is the reference number used for ordering and catalog lookup.

Common Problems It Can Address

• Engine misfire caused by a weak or failing ignition coil
• Rough idle or inconsistent combustion under load
• Hard starting related to ignition output loss
• Check engine light conditions tied to coil performance
• Loss of power from intermittent spark delivery

Installation Notes and Tips

Verify the exact Mercedes-Benz model, year, cylinder location, and catalog notes before installation. Some applications are split by build date or exclude protective hose configurations, so the fitment row must match the vehicle exactly. Confirm the part number 921-2296 against the vehicle listing before replacing the coil.

Quality Assurance

Walker ThunderSpark is the identified product line for this ignition coil, and the catalog fitment data is specific to the listed Mercedes-Benz applications. Use the vehicle notes to confirm the correct configuration before installation.