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

SL/R129: SL600 Transmission - Reverse issue

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Old May 6, 2007 | 09:15 AM
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jasonnquinn's Avatar
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From: Phoenix, AZ
'93 W129 600SL - White 18' AMG Staggerd
SL600 Transmission - Reverse issue - Thankful for your help

Hey guys. Just bought a '93 600SL. 110k When I bought it, it would take a few seconds before reverse would work. Now, as of last night...I have to rev it to 2000-3000 RPM's for the reverse to catch. It seems I can hear the car go into gear, but it just acts like its in neutral unless I rev it high. Disconnected the battery, now the ASD light is on..although I think that'll go away when I drive it. All forward gears work great. Ideas?

Last edited by jasonnquinn; May 6, 2007 at 11:13 AM.
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Old May 7, 2007 | 03:16 AM
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TheV12pwr's Avatar
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From: L.A.
SL000
New or rebuild trany is the answer...
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Old May 7, 2007 | 02:19 PM
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1998 E320, 1994 320 SL,2000 Ford F 150.1997 Gixxer 1100
Originally Posted by jasonnquinn
Hey guys. Just bought a '93 600SL. 110k When I bought it, it would take a few seconds before reverse would work. Now, as of last night...I have to rev it to 2000-3000 RPM's for the reverse to catch. It seems I can hear the car go into gear, but it just acts like its in neutral unless I rev it high. Disconnected the battery, now the ASD light is on..although I think that'll go away when I drive it. All forward gears work great. Ideas?

Seems fairly typical. My 320 takes a couple of seconds to engage the reverse gear too. Being like that for ever. My old 300CE was the same way too.
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Old May 8, 2007 | 08:38 PM
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C32AMG/02's Avatar
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From: Orange County,New York
Originally Posted by jasonnquinn
Hey guys. Just bought a '93 600SL. 110k When I bought it, it would take a few seconds before reverse would work. Now, as of last night...I have to rev it to 2000-3000 RPM's for the reverse to catch. It seems I can hear the car go into gear, but it just acts like its in neutral unless I rev it high. Disconnected the battery, now the ASD light is on..although I think that'll go away when I drive it. All forward gears work great. Ideas?


Agree its internal, common problem in 722.3 transmissions; I am sure you know the transmission in your car is not electronic.
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