Mercedes-Benz C-Class W203 M111 Ignition Coil Cable Connector A0001594942

Mercedes-Benz C-Class W203 M111 Ignition Coil Cable Connector is a component from the Cables, harnesses and connectors group, designed for the ignition system of the M111 engine. It enables a stable connection between the ignition coil and the vehicle's electrical system, ensuring proper spark control and predictable engine performance. This is a practical solution for users who want to restore the efficiency of the ignition system in their Mercedes without investing in a new component.

Specifications and technical data

• SKU: A0001594942
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A0001594942
• Substitutable numbers: A0001594942, A 000 159 49 42, EM
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the ignition system

The offered ignition coil cable is dedicated to Mercedes C-Class W203 generation models with the M111 engine. Its task is to provide a secure electrical connection between the coil and the control harness, ensuring that signals from the control module are correctly transmitted to the coil. A properly selected cable reduces the risk of interference, insulation breakdown, and unstable engine operation, which translates into smooth acceleration and proper engine refinement.

Construction, connectors and performance parameters

The cable belongs to the Cables, harnesses and connectors group, which means it is designed to operate in the engine compartment, under conditions of elevated temperature and exposure to vibrations. The connector terminals are matched to the factory sockets in the ignition coil and the vehicle's installation, which facilitates assembly and minimizes the risk of incorrect connection. Properly selected cable insulation helps to limit the impact of moisture and contaminants, and also reduces the risk of micro-cracks during operation.

Benefits of using an original Mercedes cable

Using a cable originating from a Mercedes allows for maintaining consistency with the vehicle's factory electrical installation. Thanks to this:

• the correct electrical parameters in the ignition coil circuit are maintained,
• plug connections are compatible with factory sockets,
• the risk of starting problems and misfires resulting from poor contact is reduced.

For users who care about maintaining the vehicle in a configuration close to the factory one, this is a solution that is technically consistent with the rest of the installation, while also being cost-effective compared to new components.

Condition, assembly and service application

The item is offered in used condition, which makes it an attractive option for maintenance repairs, diagnosing ignition problems, or restoring the efficiency of older Mercedes C W203 models. The cable can be used both as a target component after replacing a damaged wire, and as an auxiliary part during service tests when there is a need to rule out damage to the harness in the coil circuit.

System expansion and additional materials

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other elements from the same group, such as additional ignition cables, harness fragments, or service connectors, check the available parts in the Mercedes cables, harnesses and connectors category.

For owners of older Mercedes cars who want to consciously use used components in the process of refreshing their car, an article describing practical modernization scenarios and component selection may be helpful – you can find it here: The second life of a youngtimer – how used car parts rejuvenate cars from the 1998–2012 model years.