Mercedes S S500 2014 Automatic Gasoline Charging alternator. Original Mercedes Valeo. The picture clarifies it's working and under warranty upon installation. Excellent charging. Used, working for yacht S500. Installation and one-month warranty. Computer check and programming after installation. If it passes the check and there are no errors in the alternator, you pay us. If there are errors, removal and installation are free. 1000 Riyals including installation and computer check.