The Rettungswache Bergen-Enkheim (RBE, Bergen-Enkheim Ambulance Station) in Frankfurt am Main, Hesse, operated professional as well as volunteer services, using a variety of vehicles. It is now a part of the Deutsches Rotes Kreuz in Frankfurt am Main.
Krankentransportwagen (KTW) – Ambulance
Vehicle stripped of blue beacons and used as a “Liegend-Taxi” (“Stretcher-Taxi”) for low priority (and largely unregulated) transport duties.
Rettungswagen (RTW) – Emergency Ambulance
Einsatzleitwagen (ELW) – Command Unit
Mannschaftswagen (MTW) – Personnel Carrier
Please note that these are scans from old 35mm slides in my archives, with resultant deterioration in colours and sharpness.