Locked out of a Citroen Berlingo van

[Nige F]

Looking at a cheapo van to tidy a bit and use. This Berlingo has sat for months and I can't even get into it with the ( no Blipper ) key ! . Any ideas guys ?.... I'm just so out of touch with modern ( 10 year old ) motors, the last time I had problems was c. 1985 when anyone could undo my new Transit locks with just about any key

 

[Burnerman]

It isn't centrally locked, I guess?
How about the passenger and rear doors - are they the same? Maybe its had a new ignition lock only, and you have the key for that but not the doors?
As these have the traditional pop up stalk you'll maybe get in with some stiff thin wire through the door seal.
John