Short video clip of a walk through a type 212 submarine at the link below:

https://navaltoday.com/2016/09/13/video-walk-through-a-german-navy-type-212-a-submarine/

FGS U36
Pennant number S186
Commissioned 10/10/2016
Builders: Howaldtswerke-Deutsche Werft GmbH (HDW) - Fincantieri SpA
Operators: German Navy / Marina Militare
Preceded by: Type 206 submarine (Germany), Sauro class submarine (Italy)
Cost: 280-560 million Euro
Built: 1998–present
In commission: 2005–present
Planned: 18
Completed: 10
Active: 10
General characteristics
Displacement:
1,524 tonnes (1,500 long tons) surfaced
1,830 tonnes (1,800 long tons) submerged
Length: 56 metres (183 ft 9 in) 57.20 metres (187 ft 8 in) (2nd batch)
Beam: 6.80 metres (22 ft 4 in)
Draught: 6.40 metres (21 ft 0 in)
Decks: 2
Installed power:
1 x MTU-396 16V (2,150 kws)
1 x Siemens Permasyn electric motor Type FR6439-3900KW (2,850 kws)
Propulsion:
1 x MTU 16V396 marine diesel engine
9 x HDW/Siemens PEM fuel cells, 30–40 kW each (U31)
2 x HDW/Siemens PEM fuel cells each with 120 kW (U32, U33, U34)
1 x Siemens Permasyn electric motor 1700 kws, driving a single seven-bladed skewback propeller
Speed:
12 knots (22 km/h; 14 mph) surfaced
20 knots (37 km/h; 23 mph) submerged
Range:
8,000 nautical miles (15,000 km; 9,200 mi) at 8 knots (15 km/h; 9.2 mph)
Endurance:
3 x weeks without snorkeling,
12 x weeks overall
Test depth:
250 metres (820 ft)
crush depth over 700 m (2,296 ft)
Complement: 5 officers + 22 men
Sensors and processing systems:
CSU 90 (DBQS-40FTC)
Sonar: ISUS90-20
Radar: Kelvin Hughes Type 1007 I-band nav.,
Electronic warfare and decoys:
EADS FL 1800U suite
Armament:
6 x 533 mms (21 in) torpedo tubes (in 2 forward pointing groups of 3) with 13 DM2A4, Black Shark torpedo, IDAS missiles and 24 x external naval mines (optional)