Mercedes Fuel Leak Probe Closed by NHTSA By Stephen Elmer Dec 23 2014 Share this Article Tweet The National Highway Traffic Safety Administration (NHTSA) has closed a probe looking into Mercedes E-Class vehicles for a fuel leak issue. Continue Reading... Filed under: Featured Articles German Mercedes-Benz SafetyTags: E-Class fuel leak, E-Class fuel leaks, Fuel leaks, Mercedes E-Class, Mercedes Fuel Leak, Mercedes fuel leaks