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Old 06-10-2001, 12:41 PM
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Join Date: Apr 2000
Posts: 459

After looking for about 2 years for a nice 300d in my price range, I finally picked one up yesterday. Here are a few things I would like some advice on:

1) tires - what size is recommended for this model? Sears said 195/70/14, which seems a little puny. I was thinking about Michelins.

2) for some reason (likely from theft at one point) the car has a VIN issued by the state. The previous owner says it is an '84, but it is registered as an '82. Can someone give me some suggestions on how I might determine what year this is so I don't order the wrong parts for it? Here are some potentially identifying characteristics: the headlights are the type where you put the bulb in the back (possibly e-code?) - I thought most US 300d models came with lamps where you replace the whole lamp unit when they go bad (like on older US cars). It also has more bolstered seats, which I read were only installed in '84 and '85 model years. Also, it has a different transmission modulater on the valve cover. Rather than vacuum hoses connected to it like I noticed on the 240d automatics I looked at, it has a cable attached which runs down to the transmission. Do any of these things distinguish an '84 from an '82? What else might I look for?

3) The dashboard glowplug light doesn't come on, so I plan on checking the fuse in the relay and replacing the #1 glowplug for starters. Which plug is #1, the one at the front of the motor or the one at the back? Are there any fuse panel fuses which might have something to do with this? I do not have any trouble starting the car though.

4) On the drive home yesterday the temp gage ran below the 100 degree mark on the open road and would creep up to just below the 100 degree mark in town. Does this sound normal? I remember most other MB diesels I test drove ran at about the same temperature, but in reading the archives I have seen that the ideal temperature is around 82. Is this correct or is my car running a little warm? It was in the 80s or high 70s yesterday.

Those are all the questions I can think of for now. Thanks in advance for the input.

'82 ('84) 300D, 147k
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Old 06-10-2001, 03:37 PM
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Join Date: Jan 2001
Location: California
Posts: 2,068
In 1982:

The front seatbacks were flat and not contoured. From 1983 onward, the backs curved inward a bit for better rear legroom. Also, there was an 85 MPH speedometer, loop carpeting instead of weave, and the front dome light on the 82 models has a smaller switch and no separate map light function. Also, the vanity mirrors don't light up on the 82 models, and the driver sun visor doesn't have a mirror. The mirror on the passenger door is not power controlled either. That's all I remember off the top of my head.
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Old 06-10-2001, 04:24 PM
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Another View. . .
Join Date: Dec 2000
Location: Mark West, CA
Posts: 787
As Far As Tires...

The 195 70 14's were stock on most 82 & 84 Mercedes. You can go to to shop for tires and sizes that will work on your car. I recommend the Yokohama Avid Touring tire that they sell for $41.00 each in your size. The tire is half ths price of a Michelin, and comes with an 80,000 mile, 6-year warranty. I just bought a set for my Ford Aerostar, and I paid $264.00 out the door for 215 70 14's mounted, balanced, new valve stems, road hazard warranty & EPA.

For more information on Yokohama tires go to:
"We drive into the future using only our rearview mirror."
- Marshall McLuhan -

Scott Longston
Northern California Wine Country...
"Turbos whistle, grapes wine..."
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Old 06-10-2001, 05:39 PM
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Join Date: Apr 2000
Posts: 459
Thanks speedy300turbo, it looks like I definitely do NOT have an '82. My car does have lit vanity mirrors on both sides, power passenger side mirror, seperate map light on the front interior light. Not too sure about the carpeting, or the speedo.

Any other suggestions on tires? I haven't seen Avid Tourings locally, but I'll check the tirerack.


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Old 06-11-2001, 01:59 PM
The Bob
Posts: n/a
About the car running at 100C... Please refer to the diesel section "finally got my car to cool down"
Your radiator is probably filled up with 17 years of dirt...
When you do the job consider replacing the hoses, upper lower and well as the hoses to the transmission.

good luck

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Old 06-11-2001, 11:55 PM
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Join Date: Apr 2001
Location: Los Angeles CA
Posts: 154
If you're upset about not having US spec headlights I have a 300D that would love to have a set of euros!
Richard Detoy
'84 300SD
'76 Moto Guzzi 850 Le Mans
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