The silver paint on the louvered rear opera/quarter windows is described as a factory design flaw that 'ALWAYS peels,' and its absence is considered rare and highly desirable. Correcting it is a major job requiring removal of the rear seats and quarter side panels to disassemble and respray the louvers.
Peeling paint on the louvered rear quarter windows (the signature design flaw)
Mercedes-Benz SLC (C107) · cosmetic