Which isn't that bad, that's the same price as buying a replacement battery for my 2008 MB 5,1. I think I paid around £80 for the last one. At least you're not

Which isn't that bad, that's the same price as buying a replacement battery for my 2008 MB 5,1. I think I paid around £80 for the last one. At least you're not being charged any extra for servicing.