From the factory, additional gauges in the center console were reserved for the 16V models of the W201 series. With this air vent you can also install an instrument with the standard diameter of 52mm in your ventilation and directly in the field of view in your 190E.
Keep an eye on your oil pressure, voltage or air fuel ratio!
The depth of the part of the instrument that disappears into the air vent can be about 36mm, beyond that small adjustments may be necessary.
⚠️ This is a high quality part made with professional printing process, which is far superior to cheap copies from printers for home use in terms of quality and durability.
Only in this way can the surface structure be reproduced as faithfully as possible, both visually and haptically. Opt for quality, if you buy cheap, you buy twice.