Tas varētu nebūt īstais numurs, jo viss pārāk eļlains, neko neesat notīrījuši. Numuram būtu jāizskatās apmēram šādi:


Tavam motoram vajadzētu būt 104.990 jeb pirmajam variantam 3,0l versijā:
M104.990 - 231 hp engine for Mercedes-Benz 300 SE/SEL W140 (1991-1993).
M104.991 - the same M104.990 but for Mercedes-Benz SL320 R129.
M104.992 - M104.991 with compression ratio 9.2, power is 220 hp. Engine is for Mercedes-Benz 320 E W124, E320 W124 (1992-1997).
M104.994 - M104.990 engine with another intake manifold. It power is 231 hp and torque - 231 ft lb. Mercedes-Benz S 320 W140 (1993-1998).
M104.995 - 220 hp and 231 ft lb engine for Mercedes-Benz E 320 W210 (1995-1997).