I am not sure that you can simply install the more modern LED lighting from the 37260 in the earlier 29529. You will have to check to see whether the LED panel can be inserted into the chassis of the 29529 or whether Maerklin has changed the design of the chassis and the interior of the shell to accommodate the new design. On the 3460/3760 Re 460, there were modified light channels, cab interior (bottom) and other details changed when Maerklin changed from bulbs to LEDs.

What you may be able to do is to buy a 37260, swap shells and then sell the loco with the "En Voyage" livery at a discount.

Here is a 37260 on ebay for 179 EUR http://www.ebay.de/itm/M...EU-in-OVP-/231067126348?
If you buy that, swap the shells, you can then sell it for 99-129 EUR on ebay to get most of your money back.


Regards

Mike C

LED panel: E186453 Beleuchtungseinheit 15,00 €
Light Channel: 248320 LICHTKOERPER (Shows as Not Available)

The instructions and exploded view diagram and list do not provide any details about how the LED panel is connected and whether it requires a special decoder or circuit on a PC board that the earlier model with bulbs might not have.

I would recommend looking into finding one of the other models on special and swapping shells and then selling the unwanted one on ebay at a discount.
I upgraded a couple of Swiss locos by doing this and swapped out the white LEDs, grey pantographs and mfx against older models with Delta or 6090 and yellow LEDs. I got the new ones for under 200 EUR and sold the older ones for 99 EUR, so it cost me 101 EUR for the two grey pantos, the white LEDs and mfx. The two pantos alone were listed at 60 EUR.

There is no part for a second diffuser for the red lights in the instructions of the two newer locos.
I would send an email to service(at)maerklin to get this information.

Regards

Mike C