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#1
12-20-2004, 04:39 PM
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Help! 108 4.5 won't start
Just died. Here are the circumstances. Fuel gauge was just above the empty mark. Was running just fine all day. Loaded a keg of beer into the trunk. Started it up, started to drive away and the engine just quit.
Thought that maybe with a keg in the trunk, the gas tank was "tipped" back far enough, due to the heavy load, so that whatever remaining fuel couldn't make it to the engine. Went up the street, bought a gallon of gas, came back and filled the tank with one gallon. Still won't go. Turns over just fine, no wierd noises. Starter sounds fine. Any ideas? The sooner the better, I'd like to make it home tonight 
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#2
12-20-2004, 08:19 PM
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List below
1. wiring short from keg, mighthave caused a the electric fuel pump fuse to blow.
2. Search threads for 'Cold start valve' 3. Fuel pump decided to fail today. Check output when cranking engine (if you know the correct method) 4. Any loose wires? Are you getting spark? 5. How old is the fuel filter?
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1970 280S M130 engine- good runner 1971 250 M130 engine- #2 rod bearing, gone 1971 280SE (blown engine,parts car) 1977 German 280S W116-only 33 years old Last edited by MunichTaxi; 12-20-2004 at 08:23 PM. Reason: addition
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#3
12-21-2004, 11:21 AM
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Munich Taxi.. So it had nothing to do with beer kegs or fuel delivery (of course). It was a broken ballast resistor. The thing is cracked and falling apart, only deliverying .01 ohms of current.
But the good news is that I found out that I can get Mercedes Roadside Assistance  Called them up, a mechanic from Phil Smart came down and diagnosed the problem pronto. No charge. And they are ordering the part.The number for MB Roadside assistance is 800 222 0100 - should you be a shameless amature like myself.
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#4
12-21-2004, 08:08 PM
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Thanks for the phone #, but
there must have been a fee. wait, you said 'No charge'.
What's up with that? Did you purchase the car at Phil Smart? Boy, that mechanic is good. Was it daylight or nightime when he fixed it?
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1970 280S M130 engine- good runner 1971 250 M130 engine- #2 rod bearing, gone 1971 280SE (blown engine,parts car) 1977 German 280S W116-only 33 years old Last edited by MunichTaxi; 12-21-2004 at 08:21 PM. Reason: addition
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#5
12-22-2004, 11:07 AM
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Yep, that's right, no charge. Of course, I have to pay for the new parts - two ballast resistors. But no charge for him to come out to my car.
Didn't buy the car from Phil Smart. MB has a nationwide toll free line, I think they just distribute the calls to the closest dealer. And the mechanic is a 25 year MB veteran. Very nice guy and very sharp. I think I am going to have him do the heater motor and core replacement. Don't have his card handy right now, but I'll post his name later. Apparently, there is also a mechanic by the name of Smokey at Phil Smart who is also a vintage MB pro.
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#6
12-22-2004, 05:30 PM
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Replaced the ballast resistor, started right up! There are two resistors, I replaced the one with the blue bracket. Will replace the other one when the part arrives.
The engine actually seems to run smoother. Haven't had a chance to take her out on the highway yet, but there seems to be a bit more power. Would make sense, I guess, if the defective ballast resistor was hindering the amount of spark? Now I'll have that beer...
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