The Deutsches Rotes Kreuz (DRK, German Red Cross) in the Kreis Pinneberg, Schleswig-Holstein, operates professional as well as volunteer services, using a variety of vehicles.
Rettungswagen (RTW) – Emergency Ambulances
Same vehicle as above, but with different illuminated sign and original Mercedes badge:
Viertragen-Krankenwagen – Civil Defence Ambulance (4 Stretchers)
Arzttruppkraftwagen – Civil Defence Ambulance (4 Stretchers, Doctor on Board)
Same vehicle as above, but now marked as a Gerätewagen (GW, Support Vehicle):
Behindertentransportwagen (BTW) – Wheelchair Ambulance
Mannschaftswagen (MTW) – Personnel Carrier
Personenwagen (PKW) – Utility Car
Used for “meals on wheels” service:
Lastkraftwagen (LKW) – Trucks
Please note that these are scans of old 35mm slides from my archives, with resultant deterioration in colours and sharpness.