The Deutsches Rotes Kreuz (DRK, German Red Cross) in Mannheim, Baden-Württemberg, operates professional as well as volunteer services, using a variety of vehicles.
Rettungswagen (RTW) – Emergency Ambulance
Personenwagen (PKW) – Utility Cars
Mannschaftswagen (MTW) – Personnel Carrier
Gerätewagen (GW) – Support Unit
Lastkraftwagen (LKW) – Truck
Please note that these are scans from old 35mm slides in my archives, with resultant deterioration in colours and sharpness.