Diagnosis the old fashioned way - Page 3 - Mercedes-Benz Forum

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post #21 of 25 (permalink) Old 02-14-2014, 01:53 PM
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Originally Posted by B15M View Post
I had a general post about trying to figure out a problem like we used to do it before computers.
Well, things do change.

If you like, you can also replace the fuel filter, points, plugs and condenser every 12 months or 12,000 miles, and be sure to replace the rotor every other minor tune-up. Wires and distributor cap should go to 36,000 miles. If you use a good fuel treatment and buy gas at a reputable station you can probably go 75,000 miles before the carburetor needs to be rebuilt.

Go back a few generations and be a doctor. No diagnostics to speak of, if there's something internal going on you can't hear with a stethoscope, hack them open for "exploratory surgery." Now you've got all manner of diagnostics available to reduce or eliminate guesswork.

Really, sooner or later you'll have to face it. You are driving a computer (well, several of them actually) on wheels. If you want to approach it with your stone axe, well, so be it. But hopefully you'll admit that it's a losing battle.

Guessing at a potential problem when you get a CEL quickly becomes time-consuming, frustrating and expensive. Why not avail yourself of technology? Otherwise,you may as well dump this problem child and go buy a 1965 Dodge Dart and be done with it.

Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy; its inherent virtue is the equal sharing of misery. (Winston Churchill)
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post #22 of 25 (permalink) Old 02-14-2014, 02:35 PM Thread Starter
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I used to have a Dart. It was really a good car. It never broke down. If it had, it would be really easy to fix.

When I was a mechanic, (in the olden days) we used to joke around that the industry was making cars unnecessarily complicated so you would have to take it to the dealer.

I'm thinking it's time to buy a newer car. This one is an 06 E 350 with 110,000 miles. That's why I'm not stress about the light. It's been a good car, just getting tired.
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post #23 of 25 (permalink) Old 03-06-2014, 04:23 AM Thread Starter
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For anybody that's interested;

The third break light went out. When I fixed the broken wire and the other frayed wires, the check engine light went out and it's been a while. I think it's out for good.
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post #24 of 25 (permalink) Old 03-06-2014, 05:32 AM
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Originally Posted by B15M View Post
Him : "That's exactly how we do it here but, we shut off the system first"
Me: ??????????

I guess I better search how to shut it off. Although, what would make it go off?
I believe he is thinking of a safety issue that is only relevant to certain MB models. Maybe Keyless-Go makes it feasible.

I think that it can occur with one of the 'brake assist' options. eg SBC, ABS, ESP - I forget which one it is. The problem only occurs if the ignition is left ON, and the brake pedal is operated, when power braking operates and could injure anyone working on the brakes.

So, if equipped with the feature, the MB procedure when working on the brakes is to disable the control system using their diagnostic equipment. I believe that removing the connector also does the same job.
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post #25 of 25 (permalink) Old 03-06-2014, 08:23 AM
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Hm, the Dart sold for what about 2 of our cars here would ....

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