How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Marty Your Own Question
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53943
Experience:  Bosch Certified Master Tech. Over 35 years experience.
Type Your Mercedes Question Here...
Marty is online now
A new question is answered every 9 seconds

I have a merc r350 cdi. I opened it with key and alarm went

Customer Question

I have a merc r350 cdi. I opened it with key and alarm went off. Alarm now off but nothing works. Doors won't lock even with metal key and beeping noise coming from dash. Any ideas
Submitted: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year ago.

Hi, my name is***** sounds like your car battery has died. I would have the battery charged and tested. A jump start may get you going but if the battery is bad this may happen again.

Let me know if this helps.