Clk 430 auto

Wallywells

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Com 1999 430
This is a repost in the hope that somebody has experience this.my clk changes down to fourth from fifth gear while cruising at 70+ in s mode .no problems in w mode .gear changes still very smooth.stays in fifth ok while under 70.no codes displayed on star reader.
 

Wighty

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If you put it back in c mode does it still change down ? S mode does hold the revs higher when accelerating
 

bembo449

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that what I was getting at wighty , most autos ive had , if you switch to sport mode they pick up a cog until the speed is high enough to reselect top gear
 

Naraic

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It shouldn't happen.

Sitting at 70 in W or S it should be in 5th and stay there.

In the op's 1999 car S is standard and W is winter.
 
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Wallywells

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If you put it back in c mode does it still change down ? S mode does hold the revs higher when accelerating
Haven't been faster than 80 but flick to w and it drops into fifth.flick back to s stays for a while then drops to fourth again
 
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Wallywells

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Thanks for replies just hard to work out why w works fine and fault on s
 
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Wallywells

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Probably best to see a knowledgeable MB Indy as your next step .
I think you are right.i will have codes read again in case something shows up then off to the menders.cant complain been trouble free for last 8 years.thanks for responding
 

Wighty

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I think you are right.i will have codes read again in case something shows up then off to the menders.cant complain been trouble free for last 8 years.thanks for responding
Where do you live so members can recommend a good nearby Indy
 
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Wallywells

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Wighty

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I'm near Norwich in Norfolk
Stowmarket , Suffolk has Alex Crow who is extremely knowledgeable Indy . I travel an hour plus to see him . Maybe someone can recommend anyone closer ?
 

LostKiwi

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Have the gearbox adaptations been cleared (needs Star)?
 

alexanderfoti

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722.6's will do this when it thinks the oil temperature is too high. Might be a faulty temp sensor in the electroplate.
 

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