● Standard equipment ○ Optional equipment
TopClass S 531 DT
Technical data and equipment.
Technical data and equipment.
| TopClass S 531 DT | |
|---|---|
| Dimensions | |
| Length [mm] | 14.000 |
| Length incl. mirrors [mm] | 14.468 |
| Width [mm] | 2.550 |
| Elevation [mm] | 4.000 |
| Inner stand height [mm] | 1.828 |
| Inner stand height (top) [mm] | 1.685 |
| Wheelbase front axle-drive axle [mm] | 6.700 |
| Wheelbase drive axle - trailing axle [mm] | 1.350 |
| Tyre size | 315/80 R 22,5 |
| Overhang at front [mm] | 2.705 |
| Overhang at rear [mm] | 3.245 |
| Turning circle [mm] | 23.138 |
| Turning circle min. [mm] | 23.138 |
| Ring width turning circles min. [mm] | 6.710 |
| Track circle minimal [mm] | 19.288 |
| Wheel impact front axle max. [°] | 52 |
| Swing-out dimension [mm] | 1.366 |
| Cockpit height [mm] | 779 |
| Usable volume / capacity AdBlue [l] | approx. 35 |
| Capacity fuel tank left / right [l] | approx. 480 |
| Luggage compartment volume [m³] | approx. 8.4 |
| Additional storage area volume [m³] | 1,23 |
| Entry height door 1 [mm] | approx. 370 |
| Entry height door 2 [mm] | approx. 365 |
| Door opening width 1 [mm] | approx. 900 |
| Door opening width 2 [mm] | approx. 900 |
| Slope angle in front [°] | 7 |
| Slope angle rear [°] | 7,1 |
| TopClass S 531 DT | |
|---|---|
| Transmission | |
| Engine | OM 471 Euro VI |
| Engine type | 6-cylinder in-line engine |
| Output [kW] | 375 |
| Max. torque [Nm] | 2.500 |
| At speed [1/min] | 1.100 |
| Displacement [l] | 12,8 |
| EU emissions standard | VI |
| Transmission | ZF EcoLife CoachLine |
| TopClass S 531 DT | |
|---|---|
| Chassis | |
| Steering | Power steering |
| Front axle, type | ZF, independent wheel suspension |
| Driven axle, type | Mercedes-Benz RO 440 |
| Trailing axle, type | ZF, independent wheel suspension |
| Front axle: independent suspension, anti-roll bar | ● |
| Drive axle: with anti-roll bar | ● |
| Trailing axle: active steering, independent suspension | ● |
| Raising/Lowering system | ● |
| Kneeling | ● |
| Air suspension via electronic level control system (ENR) | ● |
| TopClass S 531 DT | |
|---|---|
| Brakes | |
| Pneumatic disc brakes on all axles | ● |
| Electronic Stability Programme (ESP®) | ● |
| Electronically controlled braking system (EBS) | ● |
| Anti-locking system (ABS) | ● |
| Brake Assist (BAS) | ● |
| Acceleration Slip Regulation (ASR) | ● |
| Retarder limiter (RL) | ● |
| Retarder | ● |
| Automatic bus stop brake with pull-away lock | ● |
| Parking brake | ● |
| TopClass S 531 DT | |
|---|---|
| Safety and driver assistance systems | |
| Rollover strength compliant with in ECE R29 | ● |
| Active Brake Assist 6 Plus (ABA 6 Plus) | ● |
| Adaptive Cruise Control (ART) | ● |
| Lane Assist (SPA) | ● |
| Attention Assist 2 (AtAs) | ● |
| Tyre Pressure Monitoring (TPM) | ● |
| Electronic Stability Program (ESP®) | ● |
| Reversing camera | ● |
| Reversing buzzer | ○ |
| Extinguishing system | ● |
| Rain-light sensor | ● |
| Flat wiper blades with water fed through wiper blade | ● |
| Traffic Sign Assist | ● |
| Frontguard Assist | ● |
| MirrorCam | ○ |
| Active Drive Assist 2 | ● |
| Sideguard Assist 2 | ● |
| Active Sideguard Assist 3 | ○ |
| Cross Traffic Assist | ○ |
| TopClass S 531 DT | |
|---|---|
| Profitability | |
| Predictive Powertrain Control (PPC) | ● |
| Tyre Pressure Monitoring (TPM) | ● |
| TopClass S 531 DT | |
|---|---|
| Transport capacity | |
| Passenger capacity min. | 54 |
| Passenger capacity max. | 93 |
| Number of seats – standard seating | 83 |
| Seating type Voyage | ● |
| Seating type Voyage Plus | ○ |
| Seating type Voyage Ambassador | ○ |
| Seating type Ambassador | ○ |
| Driver’s seat GRAMMER Linea MSG 90.6 P, air-sprung | ● |
| Driver’s seat ISRI 6860, integrated pneumatic system, 3-point seat belt | ○ |
| Wheelchair space | ○ |
| TopClass S 531 DT | |
|---|---|
| Weight and fuel tanks | |
| Capacity of fuel tank [l] | approx. 480 |
| AdBlue® additive tank [l] | approx. 40 |
| Gross vehicle weight [kg] | 26.000 |
| Axle loads, max. permissible front axle [kg] | 8.000 |
| Axle loads, max. permissible drive axle [kg] | 12.600 |
| Permissible weight trailing axle [kg] | 6.800 |
| TopClass S 531 DT | |
|---|---|
| Heating, air conditioning and ventilation | |
| Driver’s area air conditioning | ● |
| Waistline heater | ○ |
| EvoCool TopAir | ● |
| Cooling capacity passenger compartment [hp/kW] | 50 |
| Driver’s area air conditioning [hp/kW] | 8 |
| Heating power passenger compartment [hp/kW] | 55 |
| Heating power driver's seat [hp/kW] | 18 |
| Roof-mounted air-conditioning system with heat pump | ● |
| Refrigerant filling capacity [lbs/kg] | 15,9 |
| **CO₂ equivalent [t] | 22,737 |
| TopClass S 531 DT | |
|---|---|
| Doors and glazing | |
| Number of doors | 2 |
| Door position (A or B) | A |
| Outward swiveling door | ● |
| Ramp manual | ○ |
| Double glazed | ● |
| Windscreen heatable | ○ |
| Windscreen Opticool | ● |
| TopClass S 531 DT | |
|---|---|
| Lighting | |
| Low beam | ● |
| High beam | ● |
| Daytime driving lights with LED technology | ● |
| Headlamps with LED technology | ● |
| Front fog lamp | ● |
| Cornering light | ● |
| Position lights | ● |
| Ambient lighting luggage compartment | ○ |
| Ambient lighting for reverse driving | ● |
| Ambient lighting for lift | ○ |
● Standard equipment ○ Optional equipment
**Depending on the installed air conditioning variant: EvoCool Basic, EvoCool Comfort Plus or modular electric air conditioning system and installation of a driver’s workplace air conditioning system
Emergency Brake Assist ABA 6 Plus assists the driver by automatically initiating emergency braking if there is a risk of a rear-end collision with vehicles in front or stationary obstacles. It can also detect moving or stationary pedestrians and cyclists in front of the vehicle. The system can respond with an audible and visual warning as well as automatic partial or maximum full-stop braking.
Attention Assist (AtAs) 2 is a safety assistance system that can help prevent microsleep. It thus contributes to improved driving safety, particularly on long journeys and when driving at night. The system warns the driver visually and acoustically if it detects typical signs of drowsiness or inattentiveness and prompts the driver to take a break. The warning is issued independently of the legally prescribed driving and rest periods or the functions of the digital tachograph.
The Electronic Stability Program (ESP®) significantly reduces the risk of the vehicle skidding and tipping over by targeted braking of individual wheels or total braking of the vehicle to counteract skidding or tipping of the vehicle within the physical limits.
The wireless tire pressure monitoring system with display in the multifunction display is an electronic safety system that permanently monitors the inflation pressure of all tires. Tire pressure losses are displayed within the frame of the system limits.
Sideguard Assist 2 is a safety assistance system that supports the driver on both sides in critical turning situations with possibly restricted visibility. The system is intended to help the driver to detect moving obstacles within the system limits and warn the driver in order to avoid critical situations or reduce the consequences of accidents when turning off or when changing lanes.
Active Sideguard Assist 3 monitors the front and side areas of the vehicle and assists in critical turning and lane-changing situations. When turning left, the system detects oncoming traffic and warns of collisions in good time; when turning right, the focus is on objects at the side. If the driver continues to turn despite danger, a stepped warning is issued with active brake application to reduce the danger.
With the aid of a camera system behind the windshield, Lane Keeping Assist SPA detects when the vehicle unintentionally leaves the marked lane. As soon as the vehicle crosses the marking lines, the driver is warned by a noticeable vibration on the corresponding side of the driver’s seat seat surface.
The modern MirrorCam system enables a clear and comprehensive view of the road traffic. Equipped with high-resolution cameras, driving safety and the risk of accidents are minimised. The extended field of vision enables the driver to detect pedestrians, cyclists and other road users in the vicinity. This eliminates the blind spot when turning right.
The innovative Traffic Sign Assist offers maximum safety and comfort on the road. Thanks to GPS and camera support, the vehicle speed is continuously compared with the valid traffic rules.
Frontguard Assist is an advanced system that has been specially developed to inform the driver about people in the immediate vicinity of the front of the vehicle and to warn of an imminent accident. Whether moving off or driving slowly (up to 15 km/h), the intelligent assistant can detect potential collisions with unprotected road users.
Active Cross Traffic Assist supports the driver with automatic brake applications for crossing vehicles in the angle range of 65° to 115°. The system works over the entire speed range and supplements existing assistance systems by reacting specifically to crossing vehicles.
Some of the product information, illustrations and images contained in this Digital Offering may have been prepared for generic use on Daimler Buses Digital Offerings maintained in different countries around the world. Consequently, some of the information and/or accessories which are not available in some countries or which, in order to satisfy local market demand or regulatory controls in such countries, may only be available in different specifications or configurations. If you are interested in any vehicle model, paint, option or accessory shown on the Internet site and are unsure of its availability or specification in your locality, you should contact Daimler Buses and/or a local authorised dealer for the relevant product, for information of current details in your locality.
All prices specified are recommended retail prices. Prices are current at the time of publication and subject to change without notice.
Provider: Daimler Buses GmbH, Fasanenweg 10, 70771 Leinfelden-Echterdingen, Germany
Setra – A Daimler Truck AG Brand
09/2026