This unique 1981 Mercedes 300sd Turbo Diesel with 4 speed automatic transmission runs great. This car has a wild paint job and custom interior and is registered with the clean air cities Corp of America. It has a vegetable conversion by Greasecar Industries with all the pumps. lines. ilters and separate tank in the trunk. This system uses a copper line encased in heater house that heats up the veggie line all the way back to the trunk. where the auxiliary tank is located. The tank is round and is in the spare tire compartment in the trunk. See Pics. I honestly have not used the vegi system . I bought the vehicle with the system but was unfamiliar with it. I have heard you start on the diesel and when you reach operating temp then you turn on the vegi system. Then before you turn it off you switch back to diesel to flush out the veggie from the injectors and such. I have only used the factory diesel tank for fueling this vehicle. When I tried to use the veggie system it seemed to be clogged. Perhaps the various filters are in need of replacement. The pumps seem to work and there is an on /off switch. as well as a separate veggie fuel level gage below the dash on drivers side. This system cost approximately about $1500 to be installed. The system needs to be sorted out by an expert. I am not an expert. The air conditioning isn't coming on but the system is all in tact and the heater and blower work fine. All the windows and sun roof are power and work. The power door locks are operated by vacumn but not working due to there is a leak in that system. This is a daily driver and I have only used regular diesel. although there is a full tank of veggie oil in the trunk still. This car has clean Ca. title and is currently registered. o smog required. Car shifts fine . uns cool. tops great. This vehicle is 34 years old so some things may come up due to age. and test drives and inspections are encouraged. I just put 5 new glow plugs and did oil change. So shipping is buyers responsibility. I require $500 deposit in first 48 hours and transaction must be completed before 7 days. Call me at 949 922 1007 for appointment and questions. Or email me through Ebay messaging. Vehicle is listed locally so I reserve the right to end auction early if it sells on C. L. Thanks for Looking . Go Eco Friendly !!!!!!!! Newportrick