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Mercedes Benz
S420
Drivetrain
Transmission
Symptoms
Not Shifting
1997 Mercedes Benz S420 When slowing down, transmission dro
1997 MERCEDES BENZ S420
130,000 MILES • V8 • 2WD • AUTOMATIC
RICKA360
MEMBER
6 POSTS
FOLLOW
When slowing down, the transmission (at about 5-10 mph) downshifts sharply into 1st. Doesn't make a noise, but you can feel it.
Apr 12, 2008 at 7:48 AM
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BLACKOP555
CERTIFIED EXPERT
10,386 POSTS
sounds like your bands may be wearing or your shift solenoid may be burning out.
once i seen that the brakes was locking up at lower speeds causing it to down shift pretty harshly.
try some lucas transmission fix, after draining out a quart of tranny fluid, see if that helps it.
if not bring it to a transmission shop.
Apr 12, 2008 at 8:18 AM