Used Setra S 517 Hdh for sale (68,145)

Condition: used, mileage: 4,10,000 km, power: 260 kW (353.50 HP), first registration: 10/2016, fuel type: diesel, number of seats: 45, gearing type: automatic, emission class: euro6, brakes: retarder, Year of construction: 2016, Equipment: ABS, air conditioning, parking heater, 45 regular seats + 2 folding seats + driver, all seats with safety belts, 30 standing places, AIR CONDITIONING, KNEELING function, lift/lower system, folding ramp, LAWO matrix system, 3-sided, with SicmaControl control panel, ABS, ASR, radio, Webasto auxiliary heater, 2 microphones, grab rails, request stop buttons, grab handles on the sides of the seats, space for strollers, double-glazed windows, 2 sunroofs, Door 1: single-width, Door 2: double-width, digital tachograph, RETARDER/INTARDER with retarder lever, cruise control, driver protection screen, reversing camera. 3 identical vehicles in very good condition available. Hnsdpfx Abezkykhjhop Mileage: 410,000 / 458,000 / 485,000

Condition: used, mileage: 4,73,000 km, power: 315 kW (428.28 HP), first registration: 05/2016, fuel type: diesel, number of seats: 48, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Equipment: ABS, air conditioning, bathroom, electronic stability program (ESP), navigation system, onboard kitchen, parking heater, soot filter, 48 passenger seats + 2 tour guide seats Hnodszi Hyaopfx Abhsp Alcohol interlock system Armrests for passenger seats Roof rack attachments Voyage Plus seating Onboard kitchen Nozzle ventilation 2 flat-screen monitors Footrests for passenger seats Luggage rack in the passenger compartment Lift/lower system TM coffee machine Camera on the E2 Fold-out tables for passenger seats Air conditioning Refrigerator Leather insert in the headrest Reading lights Microphone for the driver Navigation system Powershift transmission Radio with CD player 2 tour guide seats Retarder Rear view camera Tinted side windows Sun visor Cruise control Toilet (WC/CC convertible) Safe USB ports in each row of seats (48x) Central locking

Condition: used, mileage: 7,59,832 km, power: 315 kW (428.28 HP), first registration: 04/2011, fuel type: diesel, number of seats: 55, gearing type: automatic, emission class: euro5, color: other, brakes: retarder, Year of construction: 2011, Equipment: ABS, air conditioning, cruise control, onboard kitchen, trailer coupling, = Additional Options and Accessories = - DVD - Air conditioning - Front refrigerator - Sleeper cab - Toilet - Webasto heater = Further Information = Height: 365 cm Damage: None = Company Information = We are an international company based in Belgium, near Brussels (+/-20 km). Belgian Bus Sales is your ideal partner for buying and selling used buses, featuring a large parking area that serves as a display lot. We always have a wide range of buses in stock, covering all brands, capacities, models, and price ranges. We can help you find the right coach, school, or city bus tailored to your needs and budget. All information without guarantee. Subject to errors, prior sale, and typographical mistakes. Opening hours for used bus viewing: Mon-Fri: 08:30 - 12:00, 12:30 - 17:00. Mówimy po polsku (Agata). We speak your language: Nederlands, Français, English, Español, Português, Italiano, Русский, Polski and more. Hedpfxsvtbgtj Abhonp

Condition: used, mileage: 4,99,574 km, power: 315 kW (428.28 HP), first registration: 04/2013, fuel type: diesel, number of seats: 54, gearing type: automatic, emission class: euro5, color: other, brakes: retarder, Year of construction: 2013, Equipment: ABS, air conditioning, cruise control, = Additional options and features = Hnedpfsy Avpysx Abhsp - DVD player - Air conditioning - Front refrigerator - Toilet - Webasto heater = Further information = Height: 370 cm Damage: None = Company information = We are an international company based in Belgium, near Brussels (+/- 20 km). Belgian Bus Sales is your ideal partner for the purchase and sale of used buses and offers an extensive parking area that serves as a showroom. We always have numerous buses of all brands, capacities, models, and in every price range in stock. We can help you find the right coach, school, or city bus tailored to your needs and budget. All information is without guarantee. Errors, prior sale, and typographical mistakes reserved. Inspection times for used buses: Mon.-Fri.: 08:30 - 12:00 and 12:30 - 17:00. Mowimy po Polsku (Agata). We speak your language: Nederlands, Français, English, Español, Português, Italiano, Русский, Polski, and more.

Condition: used, mileage: 9,63,959 km, power: 315 kW (428.28 HP), first registration: 06/2018, fuel type: diesel, number of seats: 52, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2018, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, = Additional options and accessories = - Armrests - Autoradio - CD - Climate control - Double glazing Hsdpey Hw Rgofx Abhenp - DVD - EBS - Electrically operated mirrors - GPS navigation - Head rests - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Refrigerator - Reverse camera - Seat-belts - Sun visor - Tables - Tachograph - TV/Video - WC = More information = Engine capacity: 10.677 cc Dimensions (LxBxH): 1311 x 377 x 255 cm Make of engine: Mercedes Benz

Condition: used, mileage: 6,95,000 km, power: 315 kW (428.28 HP), first registration: 04/2015, fuel type: diesel, number of seats: 48, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Equipment: ABS, air conditioning, bathroom, electronic stability program (ESP), navigation system, onboard kitchen, parking heater, soot filter, 48 seats + 2 tour guide seats Alcohol interlock system Armrests for passenger seats Heated windshield Voyage Plus seating Onboard kitchenette Onboard tools Nozzle ventilation 2 flat-screen monitors Footrests for passenger seats Luggage rack in the passenger compartment Hydraulic lifting and lowering system TM coffee machine Camera on the E2 axle Folding tables for passenger seats Air conditioning Refrigerator Leather insert in the headrest Reading lights Hnedpfozh Rv Ajx Abhsp Microphone for the driver Navigation system Powershift transmission Radio with CD player 2 tour guide seats Retarder Rearview camera Tinted side windows Sunshade Voltage converter 24V/220V 220V sockets in each row of seats Cruise control Toilet (switchable between WC and cassette toilet) Safe Central locking Voltage converter 24V/220V

Condition: used, mileage: 5,90,000 km, power: 315 kW (428.28 HP), first registration: 04/2015, fuel type: diesel, number of seats: 48, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Equipment: ABS, air conditioning, bathroom, electronic stability program (ESP), navigation system, onboard kitchen, parking heater, soot filter, 48 seats + 2 tour guide seats Alcohol interlock system Armrests for passenger seats Heated windshield Voyage Plus seating Onboard galley Onboard tools Nozzle ventilation 2 flat-screen monitors Footrests for passenger seats Luggage rack in the passenger compartment Lift and lowering system TM coffee machine Camera on the E2 Fold-out tables for passenger seats Air conditioning Refrigerator Leather insert on the headrest Reading lights Microphone for the driver Navigation system Powershift transmission Radio with CD player 2 tour guide seats Retarder Hsdpfx Abszh Rvvehsnp Rear-view camera Tinted side windows Sunblind Voltage converter 24V/220V 220V sockets in each row of seats Cruise control Toilet, switchable WC/CC Safe Central locking Voltage converter 24V/220V

Condition: used, mileage: 5,75,000 km, power: 315 kW (428.28 HP), first registration: 04/2016, fuel type: diesel, number of seats: 48, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Equipment: ABS, air conditioning, bathroom, electronic stability program (ESP), navigation system, onboard kitchen, parking heater, soot filter, 48 seats + 2 tour guide seats Alcohol interlock system Armrests for passenger seats Heated windshield Voyage Plus seating On-board kitchen On-board tools Nozzle ventilation 2x flat-screen monitors Hsdpfx Aezh Rwgobhonp Footrests for passenger seats Luggage rack in the passenger area Lift and lower system TM coffee machine Camera on E2 Foldable tables for passenger seats Air conditioning Refrigerator Leather insert on the headrest Reading lights Microphone for driver Navigation system Powershift transmission Radio with CD player 2x tour guide seats Retarder Rear view camera Tinted side windows Sunshade Voltage converter 24V/220V 220V sockets in each row of seats Cruise control Toilet, switchable WC/CC Safe Central locking Voltage converter 24V/220V

Condition: used, mileage: 4,92,000 km, power: 220 kW (299.12 HP), first registration: 10/2015, fuel type: diesel, number of seats: 43, gearing type: mechanical, next inspection (TÜV): 09/2026, emission class: euro6, brakes: retarder, Year of construction: 2015, Equipment: ABS, air conditioning, electronic stability program (ESP), parking heater, soot filter, * Setra S 415 LE Business * First registered: 09-2015 Hjdpfoy Sd A Hex Abhsnp * Manual transmission * EURO 6 * Seats: 43 + 1 * Air conditioning * Retarder * More pictures and videos available via WhatsApp * Information without guarantee and subject to prior sale.

Condition: used, mileage: 8,71,480 km, power: 375 kW (509.86 HP), first registration: 12/2023, fuel type: diesel, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2023, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, = Additional options and accessories = - Autoradio - CD - Climate control - Double glazing - DVD - EBS - Electrically operated mirrors - GPS navigation - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Refrigerator - Reverse camera - Sun visor - Tachograph - TV/Video = More information = Engine capacity: 12.809 cc Hnjdpfx Aoy Hukdebhsp Dimensions (LxBxH): 1400 x 400 x 255 cm Make of engine: Mercedes Benz Tyre tread remainder on axle 1: 60%

Condition: used, mileage: 5,33,851 km, power: 315 kW (428.28 HP), first registration: 04/2017, fuel type: diesel, number of seats: 56, gearing type: automatic, emission class: euro6, color: other, brakes: retarder, Year of construction: 2017, Equipment: ABS, air conditioning, cruise control, navigation system, = Further Options and Accessories = - DVD - Air conditioning - Front refrigerator - Toilet - Webasto heater Hnjdpfxeyy Sl Ss Abhep = Further Information = Height: 380 cm Damages: none = Company Information = We are an international company based in Belgium, located in the Brussels area (approx. 20 km). Belgian Bus Sales is your ideal partner for the purchase and sale of used buses and features a large parking area serving as a display site. We always have numerous buses from all brands, capacities, models, and in every price range in stock. We can find the right touring, school, or city bus for your needs and budget. All information provided without guarantee. Subject to errors, interim sale, and typographical mistakes. Visiting hours for used buses: Mon-Fri: 08:30 - 12:00, 12:30 - 17:00. Mówimy po polsku (Agata). We speak your language: Nederlands, Français, English, Español, Português, Italiano, Русский, Polski and more.

Condition: used, mileage: 1,55,592 km, power: 315 kW (428.28 HP), first registration: 06/2025, fuel type: diesel, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2025, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, trailer coupling, = Additional options and accessories = Hnedpszhgkpefx Abhop - Autoradio - Climate control - Double glazing - EBS - Electrically operated mirrors - GPS navigation - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Portable radio set - Refrigerator - Reverse camera - Sun visor - Tachograph - TV/Video - Xenon headlights = More information = Engine capacity: 10.677 cc Dimensions (LxBxH): 1229 x 377 x 255 cm Make of engine: Mercedes Benz Tyre tread remainder on axle 1: 50% Tyre tread remainder on axle 2: 50% Tyre tread remainder on axle rear: 50%

Condition: used, mileage: 4,77,430 km, power: 260 kW (353.50 HP), first registration: 11/2014, fuel type: diesel, number of seats: 56, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2014, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, = Additional options and accessories = - Adjusted for handicapped - Autoradio - CD Hjdozhf Exepfx Abhjnp - Climate control - Double glazing - EBS - Electrically operated mirrors - Heater - Hydraulic power steering - Mp-3 - Sun visor - Tachograph = More information = Engine capacity: 7.698 cc Dimensions (LxBxH): 1335 x 335 x 255 cm Make of engine: Mercedes Benz Tyre tread remainder on axle 1: 60%

Condition: used, mileage: 4,35,680 km, power: 260 kW (353.50 HP), first registration: 04/2016, fuel type: diesel, number of seats: 45, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, total length: 10,800 mm, total width: 3,350 mm, total height: 2,550 mm, Year of construction: 2016, Equipment: ABS, air conditioning, central locking, electronic stability program (ESP), fog lights, power assisted steering, = Additional options and accessories = - Autoradio - CD - Climate control - EBS - Electrically operated mirrors - Heater - Hydraulic power steering - Reverse camera Hsdpfx Aboy T Entohjnp - Sun visor - Tachograph = More information = Engine capacity: 7.698 cc Make of engine: Mercedes Benz

Condition: used, mileage: 4,60,000 km, power: 375 kW (509.86 HP), first registration: 01/2019, fuel type: diesel, number of seats: 81, gearing type: automatic, emission class: euro6, color: gold, brakes: retarder, Equipment: ABS, air conditioning, bathroom, electronic stability program (ESP), navigation system, onboard kitchen, parking heater, Setra S 531 DT, in top condition! with ski compartment 79+1+1 seats * MB engine 375 kW Euro 6d * PowerShift automatic transmission * Retarder * ESP, ABS, ASR * ABA emergency braking assistant * Lane keeping assist * Attention Assist * 79+1+1 seats * Reclining seats with leather headrests, tables, nets, footrests * Automatic climate control * Pre-selectable auxiliary heater * Stop request buttons * Glass roof in the upper deck * WC * USB port for each seat * 220 Volt * Kitchen with coffee machine * Second refrigerator * Service sets with nozzle ventilation & reading lights * DVD video system with 4 flat-screen monitors * Navigation on screens * Radio, MP3, USB, microphone * Wood-look flooring * Night lighting * ART distance control cruise control, limiter * Raising and lowering system * Rear view camera (with nozzle) * Ski compartment with additional rear view camera * Camera on door 2 * LED headlights * Fog lights * Heated windshield upper deck * Electrically operated windshield blinds Hnodpfx Abszhi Evohjp * Blind for driver's window * Electrically adjustable and heated exterior mirrors * Trip computer * Multi-function steering wheel * Bluetooth telephony * Driver's seat with air suspension, seat heating, seat ventilation, 3 cushions * Stop and hold function, hill holder * Fire protection system * Wheel trims Inspection possible at any time by prior appointment! All information without guarantee. Errors and prior sale reserved! For more information: also via WhatsApp Information in Polish: WhatsApp Your French-speaking contact: Georges Spengelin

Condition: used, mileage: 4,10,164 km, power: 260 kW (353.50 HP), first registration: 03/2021, fuel type: diesel, number of seats: 46, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, total length: 12,330 mm, total width: 3,300 mm, total height: 2,550 mm, Year of construction: 2021, Equipment: ABS, air conditioning, cruise control, electronic stability program (ESP), fog lights, power assisted steering, = Additional options and accessories = - Adjusted for handicapped - Autoradio - Climate control - Double glazing - EBS - Electrically operated mirrors Hsdpfx Ajy S Rz Nsbhsnp - Heater - Hydraulic power steering - Reverse camera - Sun visor - Tachograph = More information = AdBlue system: Yes Engine capacity: 7.698 cc Make of engine: Mercedes Benz Tyre tread remainder on axle 1: 30% Tyre tread remainder on axle 2: 30% Number of microphones: 1

Condition: used, mileage: 13,17,996 km, power: 375 kW (509.86 HP), first registration: 12/2015, fuel type: diesel, number of seats: 78, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2015, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, trailer coupling, = Additional options and accessories = - Autoradio - CD - Climate control - Double glazing - DVD - EBS - Electrically operated mirrors - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Portable radio set - Refrigerator - Reverse camera - Sun visor - Tachograph - TV/Video = More information = AdBlue system: Yes Engine capacity: 12.809 cc Hodoy Hxavspfx Abhsnp Dimensions (LxBxH): 1389 x 400 x 255 cm Make of engine: Mercedes Benz Tyre tread remainder on axle 1: 50% Door count: 2/3

Condition: good (used), mileage: 10,40,903 km, power: 315 kW (428.28 HP), first registration: 10/2015, fuel type: diesel, number of seats: 55, gearing type: automatic, axle configuration: 2 axles, emission class: euro6, color: white, brakes: retarder, Equipment: ABS, air conditioning, bathroom, central locking, cruise control, navigation system, onboard computer, parking heater, Setra S 516 HD, registered: 20.10.2015, Mercedes engine, 428 hp, Euro 6, 1,040,903 km, automatic transmission, 53+1+1 reclining seats with seat belts, air conditioning, toilet, DVD+TV, retarder, cruise control, ABS, ASR, radio, navigation system, reading lights, microphone, lifting and lowering system, luggage rack, footrests, curtains, refrigerator, nozzle ventilation, auxiliary heater, 2 roof hatches, double glazing, central locking, driver's seat with 3-point system, electric sun blind, electric driver's window, electrically adjustable and heated exterior mirrors, reversing camera, AdBlue tank. - Vehicle length: 13.12 meters EUR1 document may be possible for Serbia, Kosovo, Bosnia, North Macedonia, etc. Hnedpfx Aszfpyhebhop

Condition: used, mileage: 5,37,084 km, power: 315 kW (428.28 HP), first registration: 04/2019, fuel type: diesel, number of seats: 56, gearing type: automatic, emission class: euro6, color: other, brakes: retarder, Year of construction: 2019, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, = Additional options and accessories = - Armrests - Autoradio - CD - Climate control - Coffee-machine - Double glazing - DVD - EBS - GPS navigation - Head rests - Heater - Hydraulic power steering Hnodpfjy Hwqmjx Abhep - Individual air cooling - Individual lighting - Kitchen - Light alloy wheels - Mp-3 - Refrigerator - Reverse camera - Seat-belts - Sun visor - Tables - Tachograph - TV/Video = More information = AdBlue system: Yes Colour: Purple Engine capacity: 10.677 cc Dimensions (LxBxH): 1311 x 377 x 255 cm Make of engine: Mercedes Benz

Condition: used, mileage: 4,08,653 km, power: 375 kW (509.86 HP), first registration: 04/2019, fuel type: diesel, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2019, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, trailer coupling, = Additional options and accessories = - Autoradio - CD - Climate control - Coffee-machine - Double glazing - DVD - EBS - Electrically operated mirrors - GPS navigation - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Kitchen - Portable radio set Hnedoy Hwr Depfx Abhsp - Refrigerator - Sun visor - Tachograph - TV/Video = More information = Engine capacity: 12.809 cc Dimensions (LxBxH): 1400 x 400 x 255 cm Make of engine: Mercedes Benz

Condition: used, mileage: 9,98,493 km, power: 375 kW (509.86 HP), first registration: 10/2018, fuel type: diesel, number of seats: 85, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2018, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, trailer coupling, = Additional options and accessories = - Autoradio - CD - Climate control - Coffee-machine - Double glazing - DVD - EBS - Electrically operated mirrors - GPS navigation - Head rests - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Kitchen - Light alloy wheels - Mp-3 Hnjdpjy Hur Isfx Abhep - Parking sensor - Portable radio set - Refrigerator - Reverse camera - Sun visor - Tachograph - TV/Video = More information = Engine capacity: 12.809 cc Make of engine: Mercedes Benz

Condition: used, mileage: 2,32,818 km, power: 315 kW (428.28 HP), first registration: 09/2024, fuel type: diesel, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2024, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, trailer coupling, = Additional options and accessories = - Autoradio - CD - Climate control - Double glazing - DVD - EBS - Electrically operated mirrors - GPS navigation - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Lane Departure Warning System - LED headlights - Parking sensor - Portable radio set - Refrigerator - Reverse camera - Sun visor - Tachograph - TV/Video = More information = Engine capacity: 10.677 cc Dimensions (LxBxH): 1229 x 380 x 255 cm Hjdpfx Asy Hxkuebhenp Make of engine: Mercedes Benz Tyre tread remainder on axle 1: 60%

Condition: used, mileage: 2,04,332 km, power: 315 kW (428.28 HP), first registration: 01/2024, fuel type: diesel, number of seats: 51, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, Year of construction: 2024, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, = Additional options and accessories = Hedpfjy Hxkzex Abhenp - Autoradio - Climate control - Double glazing - EBS - Electrically operated mirrors - GPS navigation - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Refrigerator - Reverse camera - Sun visor - Tachograph - TV/Video = More information = Engine capacity: 10.677 cc Dimensions (LxBxH): 1229 x 377 x 255 cm Make of engine: Mercedes Benz Tyre tread remainder on axle 1: 70%

Condition: used, mileage: 5,71,919 km, power: 375 kW (509.86 HP), first registration: 01/2019, fuel type: diesel, gearing type: automatic, emission class: euro6, color: gold, brakes: retarder, Year of construction: 2019, Equipment: ABS, air conditioning, central locking, cruise control, electronic stability program (ESP), fog lights, immobilizer system, power assisted steering, traction control, = Additional options and accessories = - Autoradio - CD - Climate control - Coffee-machine - Double glazing Hedpfx Aey Ht N Ssbhonp - DVD - EBS - Electrically operated mirrors - GPS navigation - Heater - Hydraulic power steering - Individual air cooling - Individual lighting - Kitchen - Refrigerator - Reverse camera - Sun visor - Tachograph - TV/Video = More information = Engine capacity: 12.809 cc Dimensions (LxBxH): 1400 x 400 x 255 cm Make of engine: Mercedes Benz

Condition: used, mileage: 1,00,574 km, power: 260 kW (353.50 HP), first registration: 02/2025, fuel type: diesel, number of seats: 44, gearing type: automatic, emission class: euro6, color: white, brakes: retarder, total length: 12,210 mm, total width: 3,360 mm, total height: 2,550 mm, Year of construction: 2025, Equipment: ABS, air conditioning, cruise control, electronic stability program (ESP), fog lights, power assisted steering, trailer coupling, = Additional options and accessories = - Autoradio - Climate control - Double glazing - EBS - Electrically operated mirrors - Heater - Hydraulic power steering - Portable radio set - Reverse camera - Sun visor - Tachograph = More information = Engine capacity: 7.698 cc Hnjdpjzdpdkefx Abhsp Make of engine: Mercedes Benz