W212 e250 manual

neilybhoy

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Glasgow, Scotland
Your Mercedes
Mercedes E250 Sport CDI
I have a 59 plate e250, when accelerating the engine revs surge about 1800-2000 revs, usually only in fifth gear.

Any one any clues what causes this and more importantly how much will it cost to repair!!
 

Naraic

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Your Mercedes
2005 CL500.
No idea...explain a bit more what you are experiencing.
 
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neilybhoy

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Mercedes E250 Sport CDI
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Car seems to run fine but when I accelerate the engine revs suddenly 'jump' from 1800 to about 2500 then decrease. Only seems to happen when accelerating from fifth to sixth.
Car was serviced (by an indy) about a month ago and nothing was mentioned to me then about any diagnostic error codes.
 

Naraic

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2005 CL500.
Do you mean that as you change from 5th to 6th the engine revs jump? Could be just you mistiming your changes? In a manual car it is impossible for revs to jump whilst in gear...unless the clutch is slipping.
 
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neilybhoy

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Your Mercedes
Mercedes E250 Sport CDI
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it does it while still in gear, not changing gear. Slipping clutch sounds expensive
 

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