I would like to suggest the DB L 4500 A with 5 cm Flak 41 L/67, one of three mounted gunsystems.
What is it? Its just an big Truck with an Armor kit (like the Flakbus in game) and a Flak put on the loadingspace.
The vehicle is the DB L 4500 A, that stands for DB - Deimler Benz; L - Lastkraftwagen (Truck); 4500 - The loading capacity 4500 kg (well its 4685 for street useage and offroad 4085kg but anyway); A - Allrad (full wheel drive).
I am suggesting the DB variant, as the vehicle was also build by Büssig NAG (an NAG at the start instead of DB then), because the DB version looks better, is better and was also only used for the 5 cm Flak (if all 3 versions come to game Gaijin would only need 1 Vehicle model).
Main visual difference is in the Armor kit, the plate between the doors and the frontplate has 4 corners on the DB but only 3 on the NAG and the Vision hole for the Commander is bigger on the NAG
But also the engines are different. DB has an OM 67/4 engine with 112 HP while the NAG has an engine with only 105 HP. (Doesnt sound much, but its only a truck after all.)
Note: There were multiple models, i am suggesting with armor, metal construcktion and a bench behind the drivercabin and at the end of the cargospace. (Pictures are hard to come by, there were also wooden construction and some without benches, in which the ammo is also stored like on the Flakbus or Yak AA) But the 5 cm one was only on the mentioned one.
Then the most special part, one of about 60 build 5 cm Flak 41 L/67 like a Bofors but better and a Gunshield! And a Rangefinder!
Why would i like to see it?
Its an cool 4 wheel truck AA (There are no Full Trucks in the german tree yet), which is faster than the other vehicles and has armor to withstand MG Fire, and even comes with 3 different guns ( 20mm Flakvierling 38, 3,7 cm Flak 36 and 5 cm Flak 41)
It will add the Backbone AA of germany with 2 Popular and well known guns and an very powerfull Gun. It will add a nimble and fast vehicle with good guns (well AA guns at that) and give a fast playstyle of which Germany doesnt have much (Light tanks and such)
The gun is the Legendary yet moslty unkown 5 cm Flak 41 L/67
Ammo storage: 360 rounds or 72x5 round frames.(about 36 of 5 round frames per bank storage with 2 banks) + 5 more 5 round frames on the loading tray (2) and in front of the loader (3 as seen on pic 2).
77 Rahmen with 385 rounds total.
Fire Rate: 130 rpm (or 180rpm by multiple sources.)
Horizontal: 360° at 24,5°/sec (Aced, no crew) (It could also be unlocked and turned freely with the strength of the crew)
Vertical: -10° +90° at 14°/sec (Aced, no crew)
Loading Tray 5 round Rahmen (Frame)
Pzgr. 42 L`Spur. (Apcbc) 2,23Kg 830m/s 17g Pent (28,9g) 113mm/10m
Bottom Fuze active after 7mm (Note all Ap rounds starting from 37mm use the Bd.Z. d. 3,7 cm Pzgr.)
Sprgr. 41 L`Spur. (He-T) 2,195Kg 840m/s 90g Pent (153g)
M-Gesch. L`Spur. o.Zerl. (He-T) 1,52Kg >=920m/s 335g HTA (420g)
Note: I Want to suggest the vehilce in its final form as seen in picture 1 with the armor, the other pictures are the same vehicle, but earlier without the extra Armor, there was only 1 DB L4500A with the 5cm Flak 41 L/67
And the Vehicle.
The DB L 4500 A (seen above)
Height from the ground 340mm
Turningcyclediameter 19,3m (can someone tell me if that is good or bad?)
Carriengcapacity 4685 kg on the street and 4085 kg when driving offroad
Weight: About 8100 kg (5715 kg normal vehicle, 1920 kg the Flak 41 in its mount and 400-500 kg the armor -50-100 kg for the removed cab (it is replaced by the armor, not reinforced)
Maximal allowed full weight 10400 kg and 9800 kg offroad
Topspeed 66 kph and 43 kph offroad
112 Hp OM 67/4 engine (Diesel) at 2250 rpm 350 nm at 2250 rpm
The armor is similar to that on the Flakbus, its called Behilfspanzerung (Supportarmor or so) so 10-14,5 mm armor and on the Gun is a 14,5mm shield.
Frank, Reinhard: Mercedes im Kriege – Personenwagen, Lastkraftwagen, Sonderaufbauten. Podzun-Pallas-Verlag, Dorheim. 1985.
Ware, Pat: The Illustrated Guide to Military Vehicles: A complete reference guide to over 100 years of military vehicles. Anness Publishing – Hermes House. London. 2010
Jean-Denis G.G. Lepage: German Military Vehicles of World War II: An Illustrated Guide to Cars, Trucks, Half-Tracks, Motorcycles, Amphibious Vehicles and Others. McFarland, 2007.
Werner Oswald: Kraftfahrzeuge der Reichswehr, Wehrmacht und Bundeswehr, Motorbuchverlag, Stuttgart 1970
Handbuch der Flugzeugbordwaffenmunition 1936-1945
4402/4 Mun. d. 5 cm Flak 41