Workers at a Mercedes-Benz plant in Alabama began voting Monday on whether to join the United Auto Workers union, a significant test of whether the labor group can maintain momentum in the historically anti-union American South. A union victory at the plant, weeks after a resounding win at a Volkswagen factory in Tennessee, would be a watershed moment for the UAW as it seeks to organize more than a dozen automakers across the nation and add to its dwindling ranks. The campaign at Mercedes has been much more contentious. The company has urged workers to vote no, according to fliers and signage viewed by Reuters. Mercedes also hired anti-union firms to speak with workers, plant employees said. Mercedes has rejected claims it prevented union organizing efforts in Alabama. A spokeswoman said the company respects employee unionizing efforts and is ensuring every worker has a chance to vote by secret ballot while having the information needed to make…
