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#1
05-07-2003, 12:48 AM
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Quiz for everyone
What was the first Mercedes car model/year that has (automatic) hydraulic valve lifters?
Eric 
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#2
05-07-2003, 03:52 PM
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My guess is the 75 or 76 M117 (450SEL/SL) in the US. The same engine might have been available earlier in Europe.
I don't know if the M100 had hydraulic adjusters earlier or ever. Sixto 91 300SE 87 300SDL 83 300SD
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#3
05-07-2003, 05:13 PM
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1976 450SEL/SL
__________________
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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#4
05-07-2003, 06:00 PM
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Dear Sixto and M.B.DOC:
You are absolutely right. BTW, is there any reason why hydraulic lifters are not available in much later models such as W123 (1980-1985) etc....? Having to manually adjust the valve lashes periodically is not a good idea. Best regards, Eric
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#5
05-07-2003, 07:03 PM
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I think hydraulic adjusters were available in the M102 which powered the W123 200 and 230E which were not available in the US. I don't know if the M123 had hydraulic adjusters. The M123 was not available in the US either.
Sixto 91 300SE 87 300SDL 83 300SD
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