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#1
11-29-2006, 04:57 PM
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Test drove a C280 today....couple questions?
I test drove a nice '97 C280 today and it drove great but a few times it seemed to drop into 2nd and 1st a little abruptly........maybe it's normal but I'm not sure?
Thanks, Aaron 
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#2
11-29-2006, 05:10 PM
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On that & any early 722.6 electronic auto trans, have someone with a scanner read shift adaptation figures fron trans computer...ODB2 won't do that.
IF any of the figures are at OR nearing 180Nm then that clutch pack is Gone.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#3
11-29-2006, 05:29 PM
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Is this more of a dealer thing?.......is this common knowledge or are they going to look at me "sideways"
Thanks much.
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#4
11-29-2006, 06:23 PM
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Not normal. I dare you to bring a 1997 C class to a dealership's service department. Be ready for a rude awakening. If you search on 722.6 you'll see what's up with that tranny. Repair is $1,500 to $6,000.
__________________
Michael 1988 300 SL (5 Speed) 1994 E320 Wagon 1997 C230
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#5
11-29-2006, 06:32 PM
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I don't know what you define as "abruptly", but I believe the transmission in my E430 shifts from 2nd to 1st by itself when coming to a stop.
__________________
Paul S. 2001 E430, Bourdeaux Red, Oyster interior. 79,200 miles. 1973 280SE 4.5, 170,000 miles. 568 Signal Red, Black MB Tex. "The Red Baron".
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#6
11-29-2006, 10:50 PM
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On the more positive side, the 1997 C280 is a great vehicle. An independent (non-dealership) Mercedes mechanic can take good care of you. The tranny problem may be minor or nothing at all. The downshift to second and first should be silky smooth. Just be aware of what you're getting into.
__________________
Michael 1988 300 SL (5 Speed) 1994 E320 Wagon 1997 C230
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#7
11-30-2006, 08:01 AM
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Many good indie shops have MB SDS laptops & there are at least 5 other scanners that can see that info & even print those results.
If the trans checks out & you have done a pre-purchase inspection, I would proceed with purchasing the car.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#8
11-30-2006, 07:09 PM
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Doc's always right, and I agree. The early ones kick a bit when dropping into first. Mine did this at 60k when I bought it, and still does it at 140k. If it were a defect it should have grenaded long ago.
If you buy it, do a total trans service.
__________________
former: 83 300D, 97 C230, 93 400E current: 08 C300 Luxury , 92 500SL
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