Mercedes sprinter race van needs welding

2007 race van ,van on book 370kms, !!!NEEDS WELDING IN BACK JUST REALISED!!! big double bed over garage, and single bed in front , garage can hold 2 race bikes and all the bits 7ft long , vans wired for 240v has 12v system with 3000w pure sin inverter also , and 200w solar on the roof , great van had its all over the country last year never missed beat doe’d until October. Has microwave, fridge ,and gas , also have walk around video watts app and I’ll send it on , had couple marks and dings from been in paddocks resprayed 3 years ago , new shocks ,callipers, handbrake shoes ,ball joint , all in last 2 years ,