This URL points to a Mercedes-Benz administrative login portal, probably a test environment (the 'uat' segment suggests user acceptance testing). Given that the domain sits under mercedes-benz.com, a globally recognized brand, the identity isn't in question. For an admin panel, the security measures are appropriate — valid SSL, clickjacking protection, and no malware flags. The site also publishes a privacy policy and terms of service, which you'd expect from a company subject to EU law.
Most admin portals don't list contact info on the login screen, so that's not a red flag here. The lack of a web archive history is normal for a test subdomain. If you're an authorized user — an employee, dealer, or fleet manager — this is a safe place to log in. If you arrived here without knowing what it is, you're likely not the intended audience. There's nothing here to suggest a scam; it's a real internal tool for the Mercedes-Benz ecosystem.