Different depth of input VA and HA at Mercedes w140

Hello your experts, I hope someone who has the idea can help me! I bought a w140 some time ago on the very nice and m.E. optically perfectly fitting Rial 18 inch with 255/45R18 tires were mounted. These rims are in combination with this tire dimension entered in the vehicle license and possess the press-in depth 45 (according to vehicle license). Unfortunately later it turned out that two of the rims have irreparable damage. Unfortunately, these rims are no longer manufactured, at least not in the appropriate size, so only ebay remains. At ebay, I even found the rims, but with the only difference that they do not have the ET45, but ET35. And now my question: is this a problem? can I buy the rims and mount them on them or do I have to go to the TÜV and can I drive different injection depths on VA and HA? To my knowledge, the ET35 and the ET45 both have an expert report or ABE for this type of vehicle. Does the TÜV then cause problems or do I simply have to register this, how do I best proceed here? Is it theoretically possible to drive to the TÜV with the rims that have not yet been approved or should I take them with me better in the trunk and first assemble and present them on site? Thanks already for reading through! Greetings from Munich The Master