MECHANIC SPECIAL 1999 LEXUS RX300 137000 Miles. MECHANIC SPECIAL - 1999 Lexus RX300, ONLY 137,000 miles. I've owned it for about 4 years. Purchased it with 107000 miles on it and had the timing belt and water pump changed then. Was my wife's daily driver until 5 months ago when her parents gave us a car. Planned on putting work into the Lexus to sell it for more but haven't had as much time as I'd have liked and now I'd just rather have it gone and taken off the insurance. It had a misfire recently which appears to have been one of the sparkplug coils from the rear of the engine. I replaced those three coils and it seems to have fixed the misfire. It also had a cut in the exhaust pipe which I cut out and replaced that portion of the pipe. I also purchased the door handle mechanism for the drivers door. As of now the drivers door only opens from the outside. The remote entry does not currently work because of the key and the key has seen better days but functions. I've been following a replacement master key on eBay that the seller will cut and code for approx. $30 but the code needs to be provided by the dealership and I haven't gotten around to getting it. There's a small rust spot on the passenger rear fender. It needs an alternator and it recently developed an oil leak but I'm not sure from where. That's the bad. The good is other than the rust spot on the fender the body is great, it's AWD, it has a tow package, leather interior, sunroof and when I had a good charge on it the other day and was trying to determine whether it was the alternator or the battery, it ran great until the battery ran out of juice. That and the fact that it cuts off if the battery is disconnected tells me the alternator needs to be replaced. It will start(with a jump) and drive, just not very far until the alternator is replaced.