Please check notes in each part listing to ensure the Ignition Knock (Detonation) Sensor is correct for your 2003 MERCEDES-BENZ CL600 with a 5.5L 5513cc engine. STANDARD MOTOR PRODUCTS & AIRTEX are competing brands, and each brand's Ignition Knock (Detonation) Sensor may be interchangeable. Special restrictions like "California only" or "with sport package" may indicate a Ignition Knock (Detonation) Sensor fits only certain 2003 MERCEDES-BENZ CL600 models.

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After choosing a Ignition Knock (Detonation) Sensor, click the "Add Part" button. Shipping costs will be shown on the Shopping Cart page. You may use your browser's Back button, or click on "Find More Parts", to find more Emission parts, other MERCEDES-BENZ CL600 parts, or parts for a different vehicle. Please try our Interactive Catalog (click red Start button above) for faster searching. Both catalogs use the same shopping cart, so any auto parts you've already chosen for your 2003 MERCEDES-BENZ will not be lost if you switch.