That sounds like a good deal- I assume you are the original owner as ours was out of warranty by a year, but we had documentation of the noise while it was still under warranty (I knew about the issues so pointed the noise out to the dealer at the last service in San Jose) and Mercedes corporate...
That sounds like our experience. We take it in (while under warranty) making the sound and they say it's fine, then after it's out of warranty and the sound appears louder they say it needs the $14k replacement.
$4k was the estimate I received over email from QC Charge, after checking the speed...
A Mercedes dealer will be able to pull up the service record for the vehicle using the VIN and will see any drive unit replacement. A competent one should be able to pull the speed sensor and see if there is any coolant leak, but they may not really be able to make judgement about any whirring...
Glad to see Dyan will be taking them up on the offer for the swap, and nice to have seen Jeff's reply in time. As the car my sister has shows no battery degradation we will probably opt to repair it, she would like to keep it for at least 3 more years. The car is in really good condition so hate...
Hopefully Dyan received your message and returned the vehicle.
My sister is now dealing with this issue. We took the 2015 in while it was still under warranty not really understanding what the issue was and was told by the dealer that it was fine. Having looked at a few others at different...