battery draining on mercedes c240 (year 2002) if the car is not used for 1-2 days

2002 MERCEDES BENZ C240
170,000 MILES
Avatar
PRABHAT
  • MEMBER
  • 1 POST
Checked for any external / internallamp,radio remaining ON, no problem found.

Disconnected the electric adjustment for both the front seats still battery drained.
Feb 1, 2012 at 7:03 AM
Advertisement
Avatar
MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Current draw test will show up a problem, hook an Amp meter between battery Pos and battery cable, key off doors closed, read amps if high, pull fuses on at a time to see which circuit is pulling current, there will be a normal draw around .1-.2 amps for system memory.
Feb 1, 2012 at 10:14 AM
Join 2CarPros for free, one of the most advanced car repair communities on the internet. From first-time drivers to seasoned mechanics, everyone is welcome to reply, share details, and get better answers. You can add a temporary image or video first; uploads are limited to 20 MB.
Ask a Free Question
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.