1999 Mercedes-Benz S420 4.2L No upshift
Car won't shift up from low gear , actually it's probably second . You can drive 40 if you have it set in sport mode. In reg mode it won't go out of low (15 mph) It's most likely in limp in mode. The tone rings are rusted off the rear axels and have gone one a...
FIX posted 10/6/2008
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Message Closed w/FIX
Vehicle Data1999 Mercedes-Benz S420
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Message Closed w/FIX
Vehicle Data
1999 Mercedes-Benz S420
VIN | WDGBA43GOX |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 5-speed Automatic (Electronic) |
Delivery | FI |
Affected | No Upshift |
Conditions | No Upshift |