Mercedes-Benz R Class R320 Hi there , The car has an electrical issue,which is causing problems . Battery gets drained very quickly and make black smoke appear from the exhaust.The car has a dent on the left hand side.Feels like a limp mode but the car is not in the limp mode.More than welcome to come and view it . This is a 6 seater car great car on a long journey.Car selling spares or repair.