If your vehicle is three years old or more then you are required by law to have an MOT. During the MOT test the nominated tester, a person accredited by the DVSA to assess your vehicle, will conduct an inspection and a comprehensive series of checks around the vehicle, including the interior, exterior, under the bonnet and under the vehicle. The MOT test ensures the vehicle is in roadworthy condition. Without a current MOT certificate, you will be unable to drive your vehicle lawfully or renew your road tax. The penalty for not having an up-to-date MOT certificate could be a fine.