If by "sky-roof" you mean glass sunroof, it doesn't.

But the mechanical side? Which are the parts that should be checked?

Is the automatic gearbox a 722.x like the W210/W211 Mercs?

Electrical glitches?

Thank you,

~Nautilus

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1990 260E Sportline (that's 300E 2.6 for our American friends) -> sold
2001 E320 4Matic Elegance -> my Dad's daily drive
2005 Seat Leon FR 1.8T