STAR Diagnostic : what does it contain ? - Page 2 - Mercedes-Benz Forum

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post #11 of 12 (permalink) Old 08-03-2008, 04:42 PM Thread Starter
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Originally Posted by Diesel Benz View Post
But ASR stands for "Anti-Schlupf-Regelung", one would not detect its absence at normal driving (excluding the warning light).

But you don't mention which car it was, S320 could be a W220 or W140 even with BAS/ASR. Does the car have a common warning light fro BAS & ASR? I did not look at W140 user manual but it could be this car then. So the light was not ASR but BAS/ASR warning?

In any case, BAS neither comes to action at normal driving. If it is ASR, you will lose slip control, that should not happen with an S320 at summer, on dry roads more than from first gear, at wet roads or quick turns you may get wheel slip easier.

If you want to get comments on the ASR hydraulic unit replacement, I'd suggest posting accurate data about the car, and possibly post at the relevant sub-section.

Yes, you are correct, the on-dash light is the combination BAS/ASR.

The "ASR hydraulic malfunction" is what the mechanic told my father-in-law (and wants around 2100$ in parts + 4h labor to fix it). I don't know the details of the diagnostic since the shop did not want to provide it (this is why I find it strange). With that kind of poor service, its unlikely that I would recommend that he gets it fixed there. He will get another scan from the "real" MB dealer and I should have more info.

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post #12 of 12 (permalink) Old 08-03-2008, 05:01 PM Thread Starter
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Originally Posted by lkchris View Post
Yes, those mechanics are real dummies and don't deserve to be paid.

$100 is a VERY reasonable price for your diagnostic. The price is NOT based on the number of problems found.

Yes, I agree with you, 100$ is well spent if you get the codes read out of the car computer and a credible "diagnostic", given that the S-Class cars are pretty complex machines.

In this case, the mechanical shop were really pushing for an expensive repair (>2k$) and did not provide the computer scan report nor a precise diagnostic, even when asked. In this case, the 100$ did not get my father-in-law anything more than an invoice...

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