"Scratchy plastics" refers to plastic materials that have a rough or coarse texture which can cause discomfort or irritation when touched or rubbed against the skin. Full definition
Doors close with a thunk, no trace of scratchy plastics in the interior. (cardekho.com)
Compared to other premium rivals though, the CLA does have some material quality issues, revealing some very un-Mercedes-Benz like scratchy plastics lower down the dash and doors. (evo.co.uk)
Other areas remain untouched - including an island of cheap, scratchy plastic around the central ignition key slot - and Saab also persists in the marginal cost - saving of mounting all four electric window switches centrally. (evo.co.uk)