BenzWorld Senior Member
Date registered: Aug 2010
Vehicle: 1984 300D
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Well, let's see, it's a 27 year old car. When it was new, it cost something like $33,000 which would be about $70K in today's dollars, so it was a very expensive car. It was also very well engineered and built. I doubt if Mercedes intended it to be a daily driver nearly 30 years later. So, if you want to make it a daily driver, you are going to have to renew quite a bit of the car. You can either do this piecemeal as it fails (which will make it seem like the car is unreliable), or you can do some research on this board and others to discover for yourself what the common failures are at this point in time for these cars and fix them all proactively. Then, your car will most likely be as reliable as a new car for a few years.
I'll share a list of the things I am doing to mine for your reference. FWIW
Driveshaft assembly including new carrier bearing, u-joint and flex disks
Nearly all rubber parts including motor mounts, seals, hoses, belts and bushings
Front end parts including shocks, ball joints, tie rod ends, and control arms
Repair/replace Automatic Climate Control (ACC) vacuum actuators (requires dash removal and replacement.)
Replace Voltage Regulator
New seals and hoses to stop oil leaks
Drain/flush all fluids
I'm also updating the headlights, the stereo system to blue tooth enabled for hands free phone operation, and a new auto dimming Gentex rear view mirror with compass and outside air temp.
It will cost more than the $3000 I paid for the car for me to do all this work. If I paid a mechanic to do it, it would double the cost for the maintenance, which would most likely push the total somewhere over 10 or 12 thousand dollars. I expect to drive the car 10 years and 100,000 miles before I retire it. I bought my 2 owner car with 200,000 miles and no rust. It came with the past 15 years of maintenance history. I suspect it will be in better shape at the end of the 10 years than most cars that are purchased new today and driven for the same 10 year period. We shall see.
Last edited by slcturbo; 11-14-2011 at 10:29 AM.