W110 W111 W112 Sedan, BENZ AID - COMMON QUESTIONS AND ANSWERS

79 300td will not start

I just bought a used 1979 300td Wagon which started up great when I test drove and picked it up. The next morning it would not start but it does crank and lets noticeable smoke out of the tailpipe. The overnight temperature was about 10C, I plugged in the block heater for a few hours before my second attempt and still no luck. The battery has strong charge, the glow light comes on and the glow plugs were just serviced. I know the vales need are in need of an adjustment. Could someone tell me if it is compression related and suggest some trouble shooting and advice??? Thanks.

Chassis Model Number

W123

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Diesel Engine Specific Aid

Pre Combustion Chamber Leak

-I have a 90 300d 2.5 turbo. The number 2 cylinder pre chamber is leaking compression by it. I can see it comeing out the top of around the prechamber special nut on the out side of it where theres that lil gap. -Has any body had this happen and how did u fix it? -I see i need a special tool to get the top nut out, is there other special tools i will need? -What kind of damage may have this caused to the cylinder head? Jerritt

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Diesel Engine Specific Aid

Taxonomy upgrade extras

Questions and Answers

Chassis Model Number

W124

Severe engine shake at idle

I had some work done recently (installed the Monark injector tips and the radiator hose with the electric heater element in it) as well as some front end work (ball joint, etc.) All of a sudden I'm getting the shake, shake, shake, shake your booty from the engine at idle. It runs great and the shake is more pronounced when cold. Never had it before it went into the shop (bet you never heard that Kent!) So, tips anyone? Engine shocks? TIA Ben

Chassis Model Number

W123

Forums

Diesel Engine Specific Aid

When to replace Accumulator Cells on 1987 300TDT?

I have had a 1987 300TDT diesel wagon (w124) for one year. It has 185,000 miles. I don't know whether replacing the Accumulator Cells would improve the quality of the ride, since I don't know what it should feel like. The rear end doesn't sag, and the self-leveling system works. Do the Accumulator Cells degrade the quality of the ride gradually, over time, or do they just break and you know it immediately, due to a bouncy ride? thanks

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Body and Interior Specific Aid

Taxonomy upgrade extras

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Chassis Model Number

W124

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