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Mercedes C Class ESL W204/212 Steering Lock Failure: 


Recently we have been having many enquires about failing ESL (Electronic steering lock) mechanisms on the Early W204 C Class (2007 '57' onwards) Symptoms of the problem are :

  • Key turns but no ignition lights and no engine start
  • Key turns and releases steering lock but no engine start
  • The steering lock stays in the off position after removing the key
  • The steeting lock is locked and doesn't release when key is inserted

The steering lock on this range is unlike other models, and the car relies on a signal from it to allow the engine to be started.  If the car's other computers do not see the signal then it shuts down, making it impossible to start for safety reasons. 


We can offer a mobile service, or a direct to trade service if your car has been taken to a garage already (Please get the garage to contact us)


For more information please fill out the Contact us form!


Mercedes ML flip out key

Mercedes ML W163 Flip out key programming!


We are proud to announce that we can now make you a fully functional Mercedes ML key remote! We have many enquirys for this type of key but since now haven't had the stock to supply demand.

Please fill out the Contact Us form or call us on 07563014634 NOW!



Welcome to ReplacementMercedesKeys! The only place to get a Mercedes key for your Mercedes-Benz other than the main dealer!


Mercedes key experts, we travel the country each week producing and repairing Mercedes keys.  We have seen all types of failure and offer standard pricing for repairs, which means whatever the problem it's guaranteed to be fixed.


Opened in 2009 we started by fixing early Mercedes immobiliser systems and soon enough had customers within the trade and private sector.


We are the No.1 and Original Mercedes key specialists with many happy customers. Take a look at our testimonials section for comments from our existing customers.


The Mercedes key is unlike other car keys and provides unique security for your car. The key works on Infra Red and Radio Frequency technology that talks to the cars main computer to allow access and ignition. 

It also holds data from the car such as Mileage, Comfort settings and VIN.


This key cannot be made by your usual Auto Locksmith - Contact us for a Spare or if you've completely lost your keys! Click here to see the keys that we can make! 


Please go to our Contact us tab above and check our car list to see if we can supply you with a Replacement Mercedes Key, and fill out the enquiry form!

New workshop OPEN!

ReplacementMercedesKeys are proud to announce that our new workshop is now OPEN! Based near the heart of Birmingham, our fully equipped workshop is ready to make you a new Mercedes Key, or any of the services below!


Our services include ;-

  • Mercedes Keys made while you wait!
  • Mercedes Keys repaired by post or while you wait!
  • EIS switch repair
  • W204 C Class steering lock replacement & repair
  • Module coding SCN
  • Used module decoding and coding
  • ECU Renewing/Virginising
  • Engine ECU Remapping
  • Dashboard repair 
  • Upgrades and Retrofits 
  • Advanced Fault Diagnostics with Star Diagnostic
  • Airbag module repairs

We solely work on Mercedes Electronic Systems and have in depth knowledge of the delicate and technical systems operating inside your Mercedes, we have a solution for all faults you could have! 


We recommend you speak to us before you come to see us in Birmingham as we are also out and about and may not be there! Give us a call!

Mercedes-Benz Owners

We are proud to announce that ReplacementMercedesKeys support the Mercedes-Benz Owners forum! Take a look at our section in the Forum supporter section of the forum for up to date news and developments!

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