Fuel gas-powered vehicle heater

A fuel gas-powered vehicle heating appliance, comprising a burner area having a in a combustion chamber housing (58) formed combustion chamber (60), said combustion chamber housing (58) a combustion chamber (60) with respect to a housing longitudinal axis radially outwardly bounding peripheral wall (62) and a combustor (60 includes) axially delimiting the bottom region (64), wherein the bottom portion (64) between a combustion chamber (60) bounding the first bottom wall (106) and a second bottom wall (112) has a Brennstoffgaszufuhrkammer (116), wherein a Brennstoffgaszufuhrleitung (118) in the Brennstoffgaszufuhrkammer (116) opens and in which a fuel gas inlet means for admitting fuel gas from the Brennstoffgaszufuhrkammer (116) is provided in the combustion chamber (60) in said first bottom wall (106).