The carefree range of services from HK-ENGINEERING enables its customers to enjoy the best possible driving pleasure. The 300 SL is housed in the secure and air-conditioned underground car park of HK-ENGINEERING and looked after on site by highly qualified service personnel. If you would like to take part in a ride or a sporting event with your 300 SL, you can pick up the car in the Polling works or at any agreed location and return it. HK-ENGINEERING takes care of the rest.