ignition won't turn with the key

2003 MERCEDES BENZ C320
144,000 MILES
Avatar
BRATSWANEPOEL
  • MEMBER
  • 1 POST
Mercedes Benz C320 2003, key don't turn in ignition, have to manually unlock car, checked fuse box while car running, switched off, the all malfunction lights went on, disconnected battery, now the key won't turn, display lights only on when you put headlights on. Interior light not working husband checked cockpit fuses and in engine whilst car running, when switched off and ignition turned on, console light up like christmas trees vir malfunctions, disconnected battery.

When attempting to start car, the key does not turn in ignition at all, alarm not working as well.
Dec 3, 2011 at 6:46 PM
Advertisement
Avatar
DRCRANKNWRENCH
  • ASE Certified Mechanic
  • 3,380 POSTS
  • ASE Certified Mechanic
Check the battery cable connections where they end at. The ground will terminate at the engine block and the positive will terminate at the starter. Check them for a tight fit and see if there is corrosion which would cause problems. Clean off corrosion or tighten bolts if needed.
Dec 4, 2011 at 2:00 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.