Question about Mercedes-Benz Cars & Trucks

4 Answers

I have a mercedes-benz R350 and when I put the key in ignition it will not turn but when I put the spare key it turns. Could it be the chip has gone bad in the key?

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4 Answers

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  • Mercedes-Benz Expert
  • 104 Answers

Its definately the key gone bad if the spare is working I am mercedes trained tech you need to order a new key

Posted on Nov 26, 2014

Testimonial: "Thank you so much, I will do that."

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  • Expert
  • 80 Answers

I'm sure you replaced the key battery! ??

Posted on Nov 26, 2014

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Nothing to do with a key chip

The chip is a magnetic signal to a module behind
the key cylinder or in the dash

Once the key is recognized, it sends a signal to a dash module
& on to the starter relay, so you can start the car

You appear to have a mechanical key problem

Make sure your brake switch works also

Posted on Nov 26, 2014

  • Anonymous Nov 26, 2014

    Shifter switch as well

  • Anonymous Nov 26, 2014

    Now we all need to move away from this question & have MB Tech answer it We all tried to guess & failed it would appear

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  • Mercedes-Benz Master
  • 3,698 Answers

Yes

Posted on Nov 26, 2014

6 Suggested Answers

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Posted on Jan 02, 2017

lastech
  • 408 Answers

SOURCE: 1999 Mercedes Benz CLK Old and New Key will not turn ignition

hi,seem your esl or electronic steering lock mechanism is defect,since you replaced with key,ty

Posted on Mar 30, 2009

lastech
  • 408 Answers

SOURCE: 1995 Mercedes Benz C220 will not start, and key

hello,steering lock mechanism and your key need to replaced,if you want try to remove your under dash,steering lock mechanism have a small pin(around 5 mm) which pit to steering housing,drill out the lock,then try to turn steering wheel,ty

Posted on Apr 16, 2009

  • 104 Answers

SOURCE: Merces Benz s500, Ignition key does not turn, can

Check Battery in car(make sure is not weak or dying), check battery in remote fob, possiable draw in system possiable fuse or possiable keyless entry module failure

Posted on Oct 20, 2009

  • 3741 Answers

SOURCE: i need a diagram on

here is the diagram:-- 68c17bf.png
On the 2006 R350, a 17 mm bolt just under the belt going to the tension pulley will release the belt tension when turned counterclockwise. Removal of the belt was easy after using a 17 mm deep socket wrench similar to a spark plug socket. I made turning the bolt very easy by slipping a 4' pipe over the socket wrench handle. It is advisable to put the new belt LAST on the idler pulley that contacts the belt only on the smooth side.

You do not need todisturb theButton Torx bolt in the center of the tension pully.

This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya.

Posted on Dec 25, 2009

  • 58 Answers

SOURCE: Mercedes Benz c220 ignition will not turn.

Did you try jacking up the car at the front then wiggle the steering as you turn the key? Did you try a spare key? Spray inside the mechanism with WD40. Try putting the key in at different depths and turning.
The lock cylinder is a replace only item.

Posted on Feb 03, 2010

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  • Read more: How to Reset a Mercedes Key ' eHow.com http://www.ehow.com/how_7492936_reset-mercedes-key.html#ixzz2DPwSK6xa


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