Mercedes W163 W164 W169 R170 R171 Ignition Spark Coil Pack Petrol A0001587803

Mercedes W163 W164 W169 R170 R171 Ignition Spark Coil Pack Petrol is an original ignition system component designed for the brand's petrol engines, ensuring stable high-voltage generation for spark plugs. Thanks to a design compliant with manufacturer standards, the coil works seamlessly with the factory vehicle electronics, which translates into smooth engine operation. This is a solution for users who want to maintain ignition parameter consistency with factory specifications and uphold proper engine performance.

Specifications and technical data

• SKU: A0001587803-5
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0001587803
• Substitutable numbers: A0001587803, A 000 158 78 03, 0221503035, 0 221 503 035
• Fuel type: Petrol
• Part type: Ignition Coil
• Category: Ignition Coils

Purpose and function in the ignition system

The presented ignition coil is an item in the Ignition coils category and operates in the ignition system of Mercedes petrol engines. Its task is to convert low voltage from the vehicle's electrical system into the high voltage necessary for the spark to jump on the spark plug. A properly selected coil contributes to:

• efficient engine starting in various operating conditions,
• stable engine operation at idle and under load,
• effective combustion of the fuel-air mixture in the cylinders. The correct electrical characteristics of the coil are crucial for maintaining the proper ignition timing and reducing misfires, which is important for both performance and the durability of other drivetrain components.

Compatibility with Mercedes petrol engines

The coil has been designed to work with petrol-powered engines used in selected Mercedes models from the W163, W164, W169, R170, and R171 series. Using a component that meets the manufacturer's requirements allows for maintaining engine performance parameters close to factory levels, which is important for, among other things:

• proper operation of the engine control unit and diagnostic systems,
• maintaining appropriate exhaust emission values,
• reducing the risk of damage to spark plugs and high-voltage cables. Selecting a coil that matches the factory specification is particularly important in vehicles equipped with advanced engine control systems, where parameter deviations can result in error codes appearing in the controller's memory.

Performance characteristics and advantages of use

As an original Mercedes component, the ignition coil ensures a perfect fit with factory engine equipment and proper connection to the wiring harness. The main benefits of using this component include:

• maintaining stable ignition voltage across the full RPM range,
• reducing the risk of insulation breakdown and electronic interference,
• consistency of parameters with the factory engine control software. The used product allows for an economical replacement of a damaged coil while maintaining the original design and operating characteristics. This is a solution often chosen for maintenance repairs when the priority is combining correct technical parameters with service cost control.

Professional use in service and diagnostics

This type of ignition coil is suitable for both workshops specializing in the Mercedes brand and general service centers that handle petrol engines of this make. It can be used as a replacement part in the event of:

• problems with starting the engine when hot or cold,
• misfires under load,
• uneven engine operation at idle. A properly selected and functional coil is one of the basic elements that must be verified during the diagnosis of ignition-related faults and when analyzing errors recorded by the engine control unit.

Expanding the Mercedes ignition system

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as additional coils, ignition control modules, or components working with the high-voltage system, check the available parts in the Mercedes ignition coils category. For more extensive work on the starting and electrical power systems, it is also worth checking out practical tips regarding component selection. You can find useful information in the article Starting system failure – why a used original beats remanufacturing when replacing an alternator and starter, which discusses the advantages of using original, used components compared to budget remanufacturing.