- Jul 3, 2003
- Reaction score
- Co.Cork IRL
- Your Mercedes
- 2001 CL500,1990 560SEC, 1988 230E, 1982 250, 1979 280CE, 1977 200D, 1972 350 SL, 1965 220S Fintail
Hi guys, my 94 C220 keeps draining the battery and I have discovered this faint buzzing sound near the air intake with the ignition off, the only way to stop it is by disconnecting the battery.