Keep your Mercedes running like new with genuine OEM parts built to meet factory standards. Every component we offer is designed specifically for your vehicle, ensuring a precise fit and lasting performance. Whether you're replacing worn-out parts or restoring your ride, trust our catalog of Mercedes-Benz original equipment. Browse with confidence—these are the same parts your dealer uses, without the dealer price tag.

Order your Alarm Switch (9079821100) today. Have it at your door in a matter of days and installed on your 2019-2025 Mercedes-Benz vehicle even sooner. 

Select your Mercedes-Benz model if you want to shop for more parts from your vehicle's specific OEM parts catalog.