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Thieves have been caught on camera for the very first time exploiting keyless technology to steal a Mercedes in less than a minute.

West Midlands Police shared the clip of what they believe is the first recording of 'relay crime'.

They also shared their advice on how to prevent it.

After pulling up outside the victim’s house, two men approach the property carrying relay boxes.

These devices can receive weak signals through walls, doors and windows and then transmit them to longer distances.

The car’s systems are then tricked into thinking that the key is present and so it is unlocked.

Anyone worried they could be at risk of this is advised to buy a steering lock or tracking system for their vehicle.

The Mercedes was stolen in Solihull during the night on September 24.

It has not been found since.

Mark Silvester, from the West Midlands Police crime reduction team, said: “To protect against this type of theft, owners can use an additional tested and Thatcham-approved steering lock to cover the entire steering wheel.

“We also recommend Thatcham-approved tracking solutions fitted to the vehicle.

“It is always worth speaking to your main dealer, to ensure that your car has had all the latest software updates and talk through security concerns with them.”