Mercedes Benz A B E W169 W211 W245 Ignition Spark Coil Pack Petrol A0001587803

The Mercedes W169 W211 W245 Ignition Coil is an original ignition system component from the Ignition Coils group, designed for gasoline engines of this model series. Engineered for specific Mercedes powertrains, it ensures stable spark generation and proper ignition operation in the rear section of the vehicle. This is a solution for users seeking a proven component with factory performance characteristics.

Specifications and technical data

• SKU: A0001587803
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0001587803
• Substitutable numbers: A0001587803, A 000 158 78 03, BG
• Location on the vehicle: Rear
• Fuel type: Petrol
• Category: Ignition Coils

Purpose and Function in the Ignition System

An ignition coil in a gasoline engine is responsible for converting the vehicle's low voltage into the high voltage necessary to create a spark at the spark plug. For this particular reference, the design is adapted for operation in the rear part of the ignition system, which is important for engines where coils are distributed across multiple zones.

Thanks to its proper adaptation to the architecture of Mercedes engines in the W169, W211, and W245 series, this component helps maintain:

• uniform cylinder operation across the entire tachometer range,
• stable cold and hot starting,
• correct mixture combustion in both city and highway driving modes.

Compatibility with Gasoline Engines

The presented ignition coil is designed for gasoline-powered units, meaning its electrical parameters and insulation are adjusted to the ignition characteristics of such engines. Using the correct type of ignition coil in a gasoline engine reduces the risk of misfires, power drops, and uneven idling.

In practice, this translates to:

• more predictable throttle response,
• reduced load on the engine control unit,
• easier diagnostics of potential ignition system faults.

Mounting Characteristics and Installation Zone

The ignition coil is designed for installation in the rear section of the ignition system, which is crucial when selecting a component based on the specific engine and wiring harness. Correct placement on the vehicle facilitates servicing and minimizes the risk of installation errors that could lead to ignition disturbances.

When replacing, it is recommended to:

• maintain cylinder order according to service documentation,
• check the condition of electrical connectors and wires,
• inspect other coils for uniform operation of the entire system.

Component Condition and Service Application

The offered ignition coil is a used part, making it an attractive solution for optimizing repair costs on older Mercedes models. This type of component is suitable both as a replacement part for fixing a single cylinder fault and when planning a phased replacement of several coils in the vehicle.

Choosing an original coil from this group allows for maintaining the engine's factory performance characteristics without the need for modifications to the control unit software or electrical system.

Service Extension and Technical Knowledge

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other components from the same group, such as individual coils, coil sets, or dedicated ignition modules, check the available parts in the Mercedes Ignition Coils category.

When diagnosing fuel and ignition systems, knowledge about typical symptoms of injection system faults can also be helpful – more information can be found in the article on recognizing diesel injector faults and the consequences of neglecting them, which provides a structured approach to analyzing engine operation.