1991 Mercedes-Benz 420SEL 4.2L Downshifts While Driving
while driving car @40 to 50 mph, sometimes car will downshift without notice, keeping gas pedal at same position, does not do it all the time, never know when it will do it. does not seem to slip at all, when it does do it, you can shift into neutral and then ...
FIX posted 8/27/2012
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Message Closed w/FIX
Vehicle Data1991 Mercedes-Benz 420SEL
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Message Closed w/FIX
Vehicle Data
1991 Mercedes-Benz 420SEL
VIN | WDBCA35E9M |
Engine | 4.2 L / 8 cyl / GAS |
Trans | 4-speed Automatic |
Delivery | Fuel Injection |
Affected | Downshifts While Driving |
Conditions | Does Not Slip |