I have used some 80/100w in my car on my 1992 in the 9004 bulb size.
I still have them. The lights were brighter, and not that much over the stock 55w bulbs.
I figured better to be safe and not risk melting anything so I went back to stock.
'92 300CE - Sold
2004 C240 - C7 Wheels
2015 ML350 - P1, Pano, Ash poplar wood, Sport Dinamica interior, Running Boards Keyless go.