FS: 1991 300D 2.5 Turbo $1,900 - Mercedes-Benz Forum

 
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FS: 1991 300D 2.5 Turbo $1,900

1991 Mercedes Benz 300D with the 5-cylinder 2.5 liter OM 602 turbo diesel motor, cosmetically not pretty but mechanically very sound. It currently has 389,xxx miles and because this is a daily driver the actual miles at the sale will vary.

Bad:

- Faded clear coat
- dent at the right rear trunk from backing into an object
- Radio is temperamental - would not turn on when the temperature is below 60F but functions normal in not so cold days.
- Needs new tires
- A few other minor nuisances (in-op cruise control...)


Now the good (assume you can get past the bad parts)
- New head gasket (turned out not needed, see explanation below and has old gasket for inspection)
- New water pump (Saleri Brand)
- New Thermostat (Whaler Brand)
- Coolant replacement (genuine Mercedes coolant)
- Used low mileage injection pump (from a fellow list member)
- Injector service (by fellow list member Greazzer)
- New fuel filters
- Fresh oil change (Mobil 1 Turbo Diesel Truck 5W40 which was used for the last 200k mile together with Amsoil 15W40)
- Leak-free cold A/C (A/C has been converted to R134a and about five years ago all sealed were replaced, new dry/receiver, expansion valve. Has not needed any re-charge.)
-New lower ball joints and other suspension parts
-Belt tensioner lever

The story started about two years ago near Thanksgiving time when we fueled up at Murphy gas station. Right after the fuel-up the car started running poor and within a week it could barely keep running. Now I am thinking they must have accidentally pumped gasoline into the diesel storage tank and ruined our injection pump but at the time we could not be certain of that. Thinking the head gasket (only weak point on the OM602/603 motors) may need replacement, we took the head off and found the head is perfect (flat and no cracks) so now it has a new head gasket. After that we tried replacing the delivery valve seals, feeder pump, re-serviced injectors, re-timed the injection pump but the car still did the same - it would start but would not stay running. At last, we were able to locate a low mileage (less than 160k miles) injection pump from a 1992 300D and it runs like a champ! Along the way, the fuel filters were replaced (unneeded) and new water pump and new thermostat and filled up with Genuine Mercedes coolant.

We had this car for about 10 years and primarily used it for a 130-mile daily commute. The fuel economy varies between 33mpg (80% city+20%highway) to 38mpg (20% city+80% highway). It occasionally gets 40mpg when the turbo boost not functioning and then car would run as a naturally aspired engine (good fuel economy but very slow). Either Amsoil 15W40 or Mobil 1 5W40 (Delvac 1) full synthetic oils were used for the last 200k miles at an interval of 10k miles. At 7,500 miles it does not need adding any oil and maybe 1/4 quart after that so this is a true testament of benefits of synthetic oils.

Car is located in DeLand, FL (a little north of Orlando,FL). PM me or e-mail me (e-mail will get to me faster) if interested.

Here is the local craigslist link: daytona.craigslist.org/cto/4904793573.html
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