Nyorera kupfuurira kweiyi ndima - Zvisinei, maGrenzers aive ekutanga uye akakosha mauto ekurwisana uye aifungidzirwa kuti haashande zvakanaka mune basa revashandi vepamberi sezvikwata zvepamutemo. Saka vakuru vakuru vemauto eAustria vakanga vasinganyanyi kuvaremekedza. Pashure pokupanduka muna 1800, nhamba yavo yakaderedzwa kubva pa57 000 kusvika pa13 000 chete. Pasinei neizvi, mauto eGrenz akaramba achiita zvakanaka muhondo, kunyanya paMarengo
uye Austerlitz, zvichivaita kuti varemekedzwe nevaFrance. Napoleon aivaremekedza zvikuru uye aivarangarira samasoja airwisana zvikurusa muuto rose reAustria. Haana kuzeza kushandisa Grenz infantry mushure mekukundwa kweAustria muHondo yeChishanu yeMubatanidzwa muna 1809. Chibvumirano cheSchönbrunn chakamanikidza Austria kuti ipe nzvimbo muMilitary Frontier uye 1st, 2nd, 3rd, 4th, 10th uye 11th Grenz Infantry Regiments vakaenda kunoshanda kuFrance. Vakarwira Napoleon kutozosvikira arohwa ndokurega kuva mambo muna 1814.