Standard Ignition KS519 Ignition Knock (Detonation) Sensor

Ignition Knock Sensor for Mercedes-Benz Applications

The Standard Ignition KS519 is an ignition knock sensor built for direct-fit service on select Mercedes-Benz models. It uses a plug-in attachment method, a female connector, and a bolt-mount design to match the original sensor style on covered applications.

Compatible With Mercedes-Benz C300, CLA250, GLA250, GLC300, GLE350, and related models across 2019-2024 coverage, this knock sensor supports accurate detonation detection for engine management systems. The KS519 is a practical OE-style replacement when servicing knock sensor faults on turbocharged and hybrid-equipped Mercedes-Benz platforms.

Key Features

• Standard Ignition KS519 ignition knock sensor
• Plug-in connector design with 1 female connector
• 2-terminal blade-style electrical connection
• Bolt-mount installation style
• Plastic and metal construction
• Direct-fit replacement for select Mercedes-Benz emission control sensor applications

Detailed Product Overview

This knock sensor is used by the engine control system to detect abnormal combustion events and send the signal needed for timing correction. For Mercedes-Benz C300, CLA250, GLA35 AMG, GLB250, and other listed applications, the KS519 supports proper sensor replacement when the original unit is no longer reading accurately or the connector has failed.

This part cross-references Mercedes-Benz OE 0009056205 for the same application. The Standard Ignition KS519 also cross-references DKS263 for the same application.

What It Helps Address

• Knock sensor fault codes
• Engine pinging or detonation-related drivability concerns
• Reduced ignition timing control from a failing sensor signal
• Check engine light conditions tied to knock sensor performance
• Intermittent sensor connection issues at the plug-in connector

Installation Notes and Tips

Verify connector style, terminal count, and bolt-mount location before installation. The KS519 uses a female connector with male blade terminals and no mounting hardware included, so reuse or source the correct fasteners as needed. Confirm the vehicle application by year, make, and model before replacing the sensor.

Fits 2019-2023 Mercedes-Benz C300, N/A. Fits 2020-2023 Mercedes-Benz CLA250, N/A. Fits 2021-2023 Mercedes-Benz GLA250, N/A. Fits 2020-2023 Mercedes-Benz GLC300, N/A. Fits 2020-2023 Mercedes-Benz GLE350, N/A.

Quality Assurance

Standard Ignition supplies this KS519 knock sensor as an OE-style replacement part for covered Mercedes-Benz emission control sensor applications. Its connector, terminal layout, and mounting style are specified to align with the listed fitments for straightforward service replacement.