Standard Ignition S3105 Ignition Coil Connector

Ignition Coil Connector for Mercedes-Benz Applications

Standard Ignition S3105 is an ignition coil connector built for Mercedes-Benz vehicles that use a 4-terminal blade-style coil connection. It features a male connector with a round housing and a 43 cm harness length for service replacement on a wide range of late-model and earlier Mercedes-Benz platforms.

Use Standard Ignition S3105 when you need a direct-fit ignition coil connector for Mercedes-Benz CLS450, E450, GLE450, GLS450, S500, and other listed applications. The S3105 part number is also referenced by interchange numbers CONB10838, EC3133, and PT3881.

Key Features

• Ignition coil connector for Mercedes-Benz electrical repair
• Male connector with round housing
• 4 blade terminals with female terminal ends
• 18-gauge wiring for coil connector service
• 43 cm harness length for routing and replacement needs
• 0-degree bend angle for straight connector alignment
• Standard Ignition S3105 identification for catalog matching

Detailed Description

Standard Ignition S3105 is an ignition coil connector used in Mercedes-Benz ignition system repairs where the original coil connector has heat damage, broken locking features, or terminal wear. The connector design includes one male connector interface, four blade terminals, and a straight 0-degree layout to match the factory-style connection point. With a 17.25-inch harness and round housing, it supports clean routing in engine-bay service work on Mercedes-Benz CLS450, E450, E53 AMG, GLE450, GLS450, S500, C43 AMG, E400, GLE350, S550, and related models.

This part cross-references CONB10838 and EC3133 for the same application.

What It Helps Fix

• Broken or loose ignition coil connector terminals
• Heat-damaged coil connector housings
• Intermittent ignition coil electrical contact
• Misfire conditions caused by poor coil connection
• Wiring repair needs at the ignition coil plug

Installation Notes and Tips

Verify the connector shape, terminal style, and harness length against the original part before installation. Match the 4-blade terminal layout and straight connector orientation to the vehicle’s existing ignition coil connection. Inspect nearby wiring for heat damage or brittle insulation before completing the repair, and confirm secure terminal engagement after installation.

Quality Assurance

Standard Ignition supplies electrical connectors for automotive service applications, and S3105 is cataloged for direct vehicle fitment across the listed Mercedes-Benz models and years. Confirm application by year, model, and connector style before ordering.