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#1
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Cruise Control Works after Given up for Dead
When my cruise control amp went out on my 92 300D, I did a bunch of research and had my amp rebuilt by GDL (interesting outfit, interesting guy). When I reinstalled the amp it burned out again after a couple of works, so it appeared as if I also had a bad actuator which was drawing too much current and thus frying the amp. So at that point I just gave up and decided to live without cruise (I'm sure needing to spring for two weddings within 12 months had something to do with this!)
Then I bought my 91 300D in April of last year. When I test drove it and tried the cruise, I felt it surge for a few seconds then immediately die. Tried and tried again....nothing. So I assumed I had another burned out amp. Every once in a while, just out of boredom and curiosity, I would try the cruise. Absolutley no response. Then TODAY, after owning this thing for a year, I tried the cruise and it WORKED PERFECTLY! So who knows....bad contact somewhere? Perhaps the self-healing car is part of the magic of Benz ownership....
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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 154k miles 06 E320 CDI "Rutherford", Black on Tan, 172k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife Last edited by shertex; 04-30-2010 at 03:54 PM. |
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Mine did this too, sort of.
When I bought the car the CC did not work. On my long drive home I tried it and the engine wet to full throttle. Hit the brake pedal and it turned off as it should. Tried it again and the same thing! It never has never regained consciousness in any way again in the one year I have owned it. I've always figured it was the control module and I do plan on fixing it eventually.
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1993 W124 300D 2.5L Turbo, OM602.962 2000 Chevrolet Cavalier, 2.4L DOHC 2002 Ford Explorer, 4.0L SOHC 2005 Toyota Prius, 1.5L http://www.fuelly.com/sig-us/40601.png |
#3
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I just ordered and received a rebuilt amp and am planning on switching it out this weekend. Hopefully it will work for more than just a few times before it burns out again. Those rebuilt amps are expensive!
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1986 300SDL - 116K 2014 Prius Plug-in (company car) 2014 Q5 TDI (wife's car) |
#4
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Quote:
Do you know WHY your amp was bad? If not, then it is a gamble.
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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 154k miles 06 E320 CDI "Rutherford", Black on Tan, 172k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#5
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Happened to my windows on the right side!
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In the Garage: '84 300SD, 85K "The Princess" 2011 BMW 328I XDrive, DD |
#6
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Quote:
I'll just have to keep my fingers crossed.
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1986 300SDL - 116K 2014 Prius Plug-in (company car) 2014 Q5 TDI (wife's car) |
#7
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Can't you disassemble and clean the actuator internals?
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1993 W124 300D 2.5L Turbo, OM602.962 2000 Chevrolet Cavalier, 2.4L DOHC 2002 Ford Explorer, 4.0L SOHC 2005 Toyota Prius, 1.5L http://www.fuelly.com/sig-us/40601.png |
#8
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Yes. GDL will do an actuator tune-up for $95.
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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 154k miles 06 E320 CDI "Rutherford", Black on Tan, 172k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#9
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its cheaper to replace with aftermarket cruise unit. (If your not a true purist) LOL. Here's the link: The Official Audiovox CCS-100 Install Thread
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92 300D 2.5L OM602 OBK #59 |
#10
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Quote:
There's another aftermarket cruise unit....made by Rostra. Have wondered about it as well.
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14 E250 Bluetec 4Matic "Sinclair", Palladium Silver on Black, 154k miles 06 E320 CDI "Rutherford", Black on Tan, 172k mi, Stage 1 tune, tuned TCU 91 300D "Otis", Smoke Silver, 142k mi, wastegate conversion 19 Honda CR-V EX 61k mi Fourteen other MB's owned and sold 1961 Very Tolerant Wife |
#11
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In general any aftermarket system should* work.
* your mileage may vary. But the all the inputs for a cruise control to work are available at the cruise amp connector, even VSS. Looks like Mercedes uses 8000 PPM.
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92 300D 2.5L OM602 OBK #59 |
#12
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Yeah, it sounds like this is a common thing. It seems to work fine on mine, as long as the inside temperature is not too cool. But, If it gets too hot inside, the turn signal relay stops working. Go figure.
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Thanks, Mark in NC "Spark plugs?...We don't need no stinking spark plugs!" 1985 300SD "Der Silberne Schlitten" 420,000 mi Wish these were diesel: 2003 Ford Club Wagon 130,000 mi |
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