OE 1248204510 — Window Switch for Mercedes-Benz

Start from the code cast or printed on the part you are removing — that is the authoritative source. If it is illegible, use the Applications table on the closest electrical & sensors reference and narrow by build year. Send photos and we will cross-check the number for you.

Standard minimum order is 10 pieces per part number. Mixed orders that combine 1248204510 with other electrical & sensors references are welcome — that is how most clients fill an LCL or FCL container without over-stocking a single line.

Build-year coverage is listed row by row in the Applications table above. Where several generations share one number, the newer rows usually carry a revised suffix — compare the last four characters before buying, since a suffix change often means a different connector or bracket.

Treat it as a wear item: inspect every 20,000-30,000 km and replace at the first sign of leakage, noise or performance loss. Real service life swings widely with climate, road surface and duty cycle, so mileage on its own is a weak indicator.

OEM means the part was produced for the vehicle maker's assembly line; aftermarket means it is made independently to the same engineering drawing. For a window switch the practical gap is usually tooling age and packaging rather than fit, provided the tolerance class matches.

A supersession happens when the maker revises a window switch and issues a new tail number. The revision normally changes a small physical detail rather than the fit. Where we know a supersession chain for 1248204510 we list the current reference; ask our desk for written confirmation before a large order.