Where can I find Mega burger bun in Merchweiler?

Mega burger bun can also be found in these cities:

Blieskastel Bous Freisen Illingen Marpingen Nalbach Neunkirchen Püttlingen Saarbrücken Saarlouis Saarwellingen Sankt Ingbert Sankt Wendel Schmelz Schwalbach Spiesen-Elversberg Völklingen Waldmohr

You can also find this in Merchweiler:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise