Compatibility: Verify that the Delphi Ignition Coil with part number GN10451 is compatible with your Mercedes-Benz model and year. Cross-check the compatibility information provided by Delphi or the supplier to ensure it matches your vehicle’s specifications.

Quality: Delphi is a well-known and reputable brand in the automotive industry. They manufacture a range of automotive components, including ignition coils. Check for customer reviews and ratings to gauge the quality and performance of the Delphi Ignition Coil.

Installation: Ensure that the ignition coils are designed for easy installation and meet the installation requirements of your vehicle. Look for any specific instructions or guidelines provided by Delphi.

Warranty: Check for any warranty or guarantee provided by Delphi or the supplier. A warranty can provide peace of mind regarding the quality and durability of the ignition coils.

Quantity: Verify that the product listing or packaging explicitly states that it includes four pieces, as you mentioned you are looking for a set of four ignition coils.

Part Numbers: Confirm that the Delphi part number GN10451 corresponds to the Mercedes-Benz part number 0001502980 or is listed as a compatible replacement. This is crucial to ensure the correct fit and function.