I would encourage you guys to first try the plus 80s, or plus 80% H7s from Osram. at 65w they put out 2100 lumens and should be safe on the stock wires, I've read on the MB forums that they are very bright compared to stock, here they are on suvlights.com,
http://www.suvlights.com/product_inf...265f403db0ff4d
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E82 N54 6MT 6FL 668 KASW turned in
E92 Crimson/Cream N54 6MT, ZSP, ZPP, ZCW, Nav, Sat radio, HD Radio, Logic7, PDC, Active Steering, Active Cruise, 6FL, CA