20 Most Recent 2003 Mercedes-Benz CLK-Class - Page 2 Questions & Answers

could be a short or loose connection

sound like a grounding issue

More than likely a faulty fuel level sending unit inside the gas tank.

have the following checked:1. ignition timing2. valve lifters / tappets3. rod bearings

Disconnect the battery and leave for a few hours before reconecting.This should reset the switch.

Yes. Every time you disconnect the batterie you need to put radio code again.

I would say it is the ignition switch. You can try to get the steering wheel unlocked moving it, but usually when the key won't turn, it is the switch or security system. You will need to reset it to find out. Call the dealership if you don't have it.

YOU COULD HAVE POOR BATTERY GROUND CABLE.YOU COULD HAVE FAULTY STARTER OR STARTER SOLENOID.SCAN VECHICLE FOR ELECTRONIC TRANSMISSION CONTROL FAULT CODE.

Sorry but my alldata book is stating they can only be re programmed with dealer diagnostic equipment