Q: my mercedes benz does not turn on and i changed the battery

Your car is equipped with an auto-off feature that turns the headlights off after a specific period of time. This is an important safety system that helps prevent the chance of leaving your headlights on and thereby draining your battery...

It could be the emergency cable, or it could be a number of other things. If it is the cable, the bracket may be broken. I suggest having a trained technician to pinpoint the source of the noise (https://www.yourmechanic.com/services/car-is-making-a-noise-inspection) and see...

Hello there. The ticking sound coming from your Ford Fiesta isn't necessarily caused by the timing belt. In fact, most ticking sounds are caused by lubrication issues, when oil is having difficulty reaching the top of the cylinder head. The...

Hey there. You more than likely won't be able to bypass the system. You can try to disconnect the battery (https://www.yourmechanic.com/article/how-to-shut-off-the-anti-theft-device-in-your-car-by-jason-unrau) for 10-15 minutes to reset the computer. However, it still may not work this way. You will probably have...

Hello - I believe you have either a weak battery, bad electrical connections at the battery cables, or a failing starter solenoid. The click noise indicates the starter solenoid is trying to pass current to the starter motor, but isn't...

The Idle Air Control valve got damaged when the throttle body was cleaned. I suggest removing the IAC valve (https://www.yourmechanic.com/services/idle-control-valve-replacement) and cleaning it out. The electronics could be wet causing the valve to change the engine idle and the computer...

To determine if an easy resolution exists, please refer to YourMechanic's DIY stuck key remedies page (https://www.yourmechanic.com/article/how-to-diagnose-an-ignition-key-that-won-t-turn). If none of the many suggestions on that page resolve your issue, it will be most efficient if a certified mechanic travels right...

It sounds like what you are describing may be related to a faulty starter relay or some faulty wiring that may not be producing a proper connection to the starter. The starter relay (https://www.yourmechanic.com/services/starter-relay-replacement) directs power from the battery to...

Hi Mirian. Thanks for sending in your question today. The best way to tackle this job is to download or purchase a wiring diagram for your Jeep. Unfortunately, we're unable to attach documents to this platform, so you might want...