Hi John, I'm glad to assist you. Yes. It is guaranteed to fit the upstream location of your 2011 Mercedes Benz Sports 3.0L (bank 1 and 2). If it is what you need, grab our price-cut promo and click the link below to buy it today. Happy shopping! https://www.carparts.com/oxygen-sensor/drivewire/set-repm960923?can=cpje1042_CSQA_20240810

Hi John, thanks for initiating contact. Yes, this O2 sensor will work for the Bank1 Sensor2 for the 2011 Mercedes Benz C300 Sport 6 Cyl 3.0L. You can click the link below to order directly and take advantage of our current discounts and limited supply. Happy shopping! https://www.carparts.com/oxygen-sensor/drivewire/set-repm960923?can=CPGG4850_CSQA_20240809

Hi Francisco, thank you for reaching out! These are brand new and are manufactured in Taiwan. You can click the link below to order the part before the sale ends. Have a good one! https://www.carparts.com/oxygen-sensor/drivewire/set-repm960923?can=cpab2020_csqa_20231130

Hi Dwayne, I'm glad to assist you. Yes, they have the same part numbers. Click on the link below for direct ordering to take advantage of our ongoing discount and limited stocks. I hope this helps, and happy shopping. https://www.carparts.com/oxygen-sensor/drivewire/set-repm960923?can=CPAE1047_CSQA_20221216

Hi Jourhiness, To check the fitment please use our Vehicle Selector — which can be found towards the top of the homepage as well as all categories, search results, and product pages — can help verify if a part will fit your specific application. To enter your application, simply select your vehicle’s year, make, model, sub-model, and engine type and click “Go.” Once your application is selected, you’ll see a “Guaranteed to Fit” badge if the part will fit, and we recommend that you also double-check Your Vehicle Fit Details as well as the Vehicle Fitment Information table on the product page.