I have used 1157 bulbs with no problem.
The bulbs you describe have the nipples closer together on one side.
I have used those too, and they do fit, its just a tight squeeze to get them in.
what I have done also is file one of them down just a tad.
'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.