SL-Class (R129) 1990-2002: SL 280, SL 300, SL 320, SL 500, SL 600, SL 60 AMG

SL/R129: Not going into overdrive

Old 03-29-2017, 07:25 PM
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1995 Mercedes SL500
Not going into overdrive

1995 SL500, miles 115k runs and drive perfect but will not go into overdrive. Haven't looked into anything or had any codes pulled, don't have easy access to place to get codes. Anyone had the problem and have idea what to check? Thanks
Old 03-30-2017, 10:05 AM
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'09 S600, (2) R129 300SLs, '03 SL500, '03 SL55
That transmission is a 4-speed automatic with no overdrive. It is hydraulically-controlled and has no controller from which to read codes.
Old 03-30-2017, 10:55 AM
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1995 Mercedes SL500
Thank you for that info, so no 1995 had overdrive? Do you know which 722.? Transmission it has.
Old 04-04-2017, 08:37 PM
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94 SL 600, 98 993, 89 XJS Conv., 85 Daimlier Princess 16 Hybrid Lincoln 16 Chevy crewcab
Not an expert, but have owner several Benz
I'm not sure any R 129 had overdrive.
Maybe the membership in other parts of the world can enlighten us.
Bobterry has been part of both "world of Benz" and I would bank on his advise!

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