The VW recall affects 92,000 cars and includes the Beetle, Golf, Jetta and Passat models from 2015 and 2016. The cars have 1.8-liter and 2-liter turbocharged four-cylinder gasoline engines.
The German automaker says a part in the camshaft can shear off, causing loss of vacuum in the power brakes. That can lengthen stopping distance and possibly cause a crash. The engines also will go into a reduced power mode to avoid further damage.
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Mercedes is recalling more than 126,000 cars and SUVs in the U.S. to fix a problem that can cause the air bags to inflate without a crash.
The recall covers the C-300, C-350, and C-63 models from 2008 and 2009, and the GLK-350 4-Matic from 2010.
Mercedes says the air bag control unit can corrode and malfunction due to a manufacturing error. That can make the air bags deploy without warning, or they might not inflate in a crash.
The company reported three unintended deployments in the U.S. and three in other countries. It was unclear if anyone was hurt.