Iknownothing

The right side (passenger) bottom seat adjuster ( forward and back) on my 2015 GL 350 broke, the headrest and seat back adjusters still work, the memory still works and the seat moves forward when second row go down. I need a new switch. I called Mercedes and they want...$487 Canadian. My question is about part numbers. The part # for the switch on my vehicle is 1669051903. I can get a new switch for a 2015 GL350 from Germany for about $150 Canadian but the part # is1669053800. What do the last 4 digits signify, are they important? Also it seems the memory buttons are separate but from some photos of used ones all I see is 4 wires disappearing into the seat switch. I am therefore guessing the new switch needs to be taken apart to add the memory buttons. Any info on this would be very helpful.
Thanks, Bob

arsupisemnet

Buy WIS/EPC from eBay for 30 dollars and then find out which part will fit

Iknownothing

I ended up buying a new seat switch from Germany. Cost about $125 with shipping. It was not an exact replacement because it had no headrest activation but all the rest of the activation switches were the same so I removed all the pieces from the circuit board, they were just screwed in with little torx screws. Took my door panel off and removed the burl wood panel and took the back off the offending switch and swapped out all the activation switches, job done seat switch back in action. Took about an hour and a half.