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Mercedes Key Replacement Houston Texas

- car lock-smith Hello there. Did you broken or misplaced the key to your Mercedes? Do you wish to duplicate fobik remote, transponder key or keyless access device? Glancing for a convenience and inexpensive replacement keys services?

Great news

Okey DoKey Locksmith offer 24/7 fast and affordable Mercedes keys replacement. Call (832)408-0006 for immediate assistance, free estimate and scheduling. Our expert mobile car locksmith come to you to duplicate or replace your lost keys on-site.

Furthermore, we can solve all your Mercedes ignition, key and locks obstacles.

Does Mercedes use transponder keys?

Mercedes transponder keys In 1997 Mercedes began using an encrypted transponder key FOBs on all it's models.

The OEM Mercedes FOB contains a laser cut emergency key.

Mercedes-Benz was the first to introduce proximity keys (Keyless GO) system back in 1998. The system is either standard or optional equipment on different models. The keyless entry device contain a transponder chip that works with a battery.

What is a Mercedes transponder key used for?

Mercedes anti theft Mercedes transponder keys mainly used as a vehicle anti-theft technology. Together with the immobilizer, transponders helps protecting your Mercedes from unauthorized access.

The immobilizer initialized to recognize each key by a programmable code. When a key with unmatched code turned in the ignition, the vehicle becomes immobilized. The fuel-pump will shut down and will not start for a few minutes.

How does Mercedes immobilizer works?

Mercedes transponders uses the "Philips rolling code" system to change value each time the key is used. If an unauthorized personal will try copying the key data, it will be invalid the next time the key used.

Mercedes ECU Each immobilization system programmed with 10 unique chips upon manufacturing of the vehicle. 2-3 keys are provided when a new car is purchased, and each additional keys ordered through a dealer or a licensed locksmith. When reaching the 10 keys limit, the ECU replaced and align to accept 10 new keys. This process could cost $1k-$3k to do.

Can I program a duplicate Mercedes transponder key myself?

Mercedes offer no on-board interface to duplicate keys by yourself. Each key need to be programmed by the dealer or a licensed locksmith using dedicated programmers. Each additional key approved by Mercedes using the VIN before it can start the car.

What is a Mercedes valet key?

Mercedes valet key Each new immobilized vehicle also provide a valet key. The valet key has a grey plastic head and doesn't allow access to the glove box or trunk. A valet key cannot be duplicated and designed to be used for emergencies.

How do I know if I have a transponder key?

Following are the list of Mercedes models that use transponders:

  • G Class - (G55 G500) 2004 - 2011
  • CLK Class - (CLK320 CLK430 Cabriolet) 1998 - 2008
  • S Class - (S320 S450 S500) 1997 - 2009
  • CLS Class - (CLS500 CLS555) 2006 - 2008
  • SL Class - (SL320 SL500 SL600 380SL 420SL 450SL) 1997 - 2008
  • Sprinter 2007 - 2013
  • SLK 55 SLK230 SLK280 SLK350 1998 - 2008
  • C Class (C220 C230 C280 C43) 1997 - 2009
  • R Class - (R350 R500) 2006 - 2009
  • ML320 ML430 1998 - 2008
  • CL Class - (CL500 CL600 CL55 CL65) 1998 - 2008
  • E Class - (E55 E350 E500 E300D E320 E430) 1997 - 2005
  • SLR MC LAREN 2005 - 2008

How to duplicate Mercedes keys and remotes?

The procedure for getting a duplicate Mercedes key done by a local dealer or a car locksmith. You can duplicate the key by VIN or by a cloning process:

Duplicate Mercedes key by VIN

To duplicate a key the dealer will need the VIN and a proof of ownership which is registration or title and a match driver license. The vehicle does not need to be at the dealership.

Prices vary slightly from dealership to dealership, so you better call more than one dealer for the best price. Call the dealer and provide them your VIN to get a quote.

If you are not the owner of the Mercedes, you will need a signed power of attorney from the owner.

Mercedes key cloning

Mercedes key cloning is a job that very few locksmith can perform. The newer your Mercedes is, the harder it's going to be to find a locksmith who can clone your key.

A locksmith with Mercedes key programmer and diagnosis tool can create cloned key using 2 methods:

  1. Vehicle OBD port - read the key data from the vehicle and copy to a new blank
  2. Reading the key - scan the key to get it's data and copy it to a new blank

Can I program Mercedes key FOB myself?

There is no onboard interface to program keys. Only the dealer or a locksmith can program keys and remote to all Mercedes immobilized models.

Lost/stolen key replacement! What to do?

lost key made When you lose all your keys to a Mercedes the process is very similar to a key duplication. Reprogramming interface and tools are available only to the Mercedes dealer or to a licensed locksmith. The vehicle computer is reprogrammed to accept a new key from the list of 10 initial keys and reject the lost keys.

While some people complain about the limit of 10 keys for each ECU, the rolling code offer a great advantage. Since the 10 keys codes are already programmed, the dealer or a mobile locksmith don't need the car present to make a key.

Just like key duplication service, all they need to cut and program a new key is the VIN and a proof of ownership.

My Mercedes ignition key wont turn! What to do?

There are many reasons for ignition problems! Please check our article about ignition repair and replacement.

How much is a replacement Mercedes key?

Service Price
Car Lockout $60-$120
Locked keys in trunk $70-$350
Door lock rekey/repair/change $200-$320
Lost key replacement $195-$470
Duplicate car key $225-$285
Remote/Flip keys +$100-200
Keyless entry device $220-$320
Ignition repair $195-$350
Key extraction $95-$150
Ignition replacement $250-$400
ECU re-flash $600-$950

* Estimates above includes the technician coming out to you the parts and the labor.

Final price depends on:

  • The state of the lock and the computer in the vehicle.
  • The type of equipment that the technician need to use.
  • The type of key that you would like to have.
  • The chip configuration.

The tech will diagnose the vehicle and provide a price for you to approve before doing anything.

How long does it takes to make a key?

emergency mobile locksmith Our emergency mobile car lock-smith are on a prompt call 24 hours a day throughout the week. Ready to handle all your Mercedes locks and keys issues. We usually arrive at customer location fast.

Our trademarked truck is comprehensively equipped to the brim with current diagnostic, cutting and programming equipage able to restore keys onsite. A key replacement process for a vehicle in most cases done same day.

We take great pride in servicing a bargain price and reliable services. Give us a call at (832)408-0006 for a FREE ESTIMATE and our Mercedes expert will arrive to your place ASAP. Okey DoKey Locksmith is always here to meet your needs in a professional way.


  2. wikipedia - Keyless Go
  3. benzworld - The largest online community dedicated to all things Mercedes.
  4. edmunds - American online resource for automotive information.

Related articles/services

  1. Car key replacement
  2. Ignition repair
  3. Car lockout

Mercedes Key Replacement Houston Texas Okey DoKey Locksmith

Mercedes Key Replacement Houston Texas Okey DoKey Locksmith

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