Transmission question?
Car is a 2003 W211 E55.
While driving at cruising speeds in top gear (sports mode) the transmission seems to hunt or surge as if it wants to change gear when i apply slight acceleration up a hill or to overtake on a motorway etc... but if i drop back to 4th it doesn't do it? There is also a slightly audible drone noise while it does it.
The car only has 60k kilometers on it (37k miles) and the transmission fluids were changed at 42k when i purchased the vehicle 16 months ago.
i tried doing a search but didn't come up with anything so thought i would put it to the brains trust?
TIA
torque converter makes sense actually. i had another car that did similar about 20 years ago and it was the converter. i'd forgotten about that one. should it cause me concern in the short term?
the car is about due for a service. the place i take it to is a Euro specialist about 3 hours drive from home. i'll ask if they think they can diagnose it.




i'm guessing if it is that it is already too late?
*edit - just spoke to the lovely Amanda in the service dept. of the closest dealership (65miles away!) who has taken the details of my car and is going to chase up the History on whether the radiator was actually changed out or not.
Last edited by mondo; Nov 5, 2018 at 11:54 PM.
i thought the radiator and fuel tanks were both recalls too? were they in the US?
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