If you’re having Mercedes C220 CDI starting problems with no start, no sound/crank as you turn the ignition key to the “Start” position, then it could mean that the starter motor isn’t turning over the engine. A low/dead battery or a lack of communication between the battery and the starter are the most common causes. W220 S-Class Key won't turn in 2003 S500 Help (Electronic Ignition Switch) problem and only a dealer can rectify that one. BenzWorld.org forum is one of the I called my local Benz dealership and spoke with the service technician. I told him my problem and he advised me of 3 possible problems: - ignition switch failure. - brake switch failure. - gear selector failure. I ruled out the ignition switch failure, as I could easily start the car and shift the car past "Park". Try cleaning the lens on the key. It would also be a good idea to have the e.i.s. codes pulled at a dealer or equivalent. if problem persists. If the car will not start. try disconnecting the battery and wait approx. 15 min. sometimes that will give you a couple of starts unless it is just a software issue. jberks. The fan is controlled by an electronic regulator. The switch, whether digital or manual simply sends a small variable voltage to the regulator which then controls the fan speed. when they fail, these can make the fan do anything, including run flat out all the time or even speed up and slow down randomly. Consider to support my channel and all the hard work put into it at http://www.patreon.com/LMAutoRepairsThank youHiThis car came to me as a non runner, no ig If you do decide to tackle this job then you will need:-. 1. Torque wrench (for leverage and correctly tightening the steering wheel securing screw) 2. 10"-12" 1/2 Extension bar. 3. 10mm socket. 4. 10mm Hexagonal bit (the steering wheel is secured with a 10mm wedge headed screw.) 5. Phillips screw driver fine and medium. Failure Date: 08/22/2016. The electronic steering lock suddenly failed making it impossible to start the car. This is a very common problem with mercedes of this era, this happens without warning, and mercedes is aware of the problem, but charges approx. $1,200 to replace the lock. This leaves motorists stranded. Switches, Motors, Relays, Fuses & Wiring for Mercedes-Benz SL-Class (1990-2002) R129: Ignition Relays and Switches Asked by sallynk Dec 05, 2014 at 04:31 AM about the 2007 Mercedes-Benz C-Class. Question type: Maintenance & Repair. KEY PUT INTO IGNITION, VEHICLE WONT START. NO LIGHTS ARE DISPLAYED ON. THE DASHBOARD. FRONT LIGHTS WORK OK. MODEL MERCEDES BENZ C22Oi cdi 2007. email: simosnk@cytanet.com.cy. 6Ps6NFH.