Fixed the Corolla; still working on the Mercedes

https://sketchfab.com/3d-models/1992-toyota-sprintercorolla-e100-bdfa69ca2d8a42f58ce14fbdc5f6fdb7

https://sketchfab.com/3d-models/mercedes-benz-e-class-w210-reworkedincomplete-51115e147e6e484fb52c6b847e14ea46

Working on the Mercedes has been very difficult lately. Every time I try to fix the topology, the car reverts to an inconsistent shape, especially when I find out that the front and rear clips have terrible flaws. See video below.