Mercedes-Benz Citaro hybrid

Previously on Page 1:
  • Introduction & Background
  • Technical Specifications
  • Exterior Overview
  • Interior Overview
  • Driver’s Compartment

Additional Features

USB Charging Ports

The bus is equipped with USB charging ports for all seats on the side panels of the bus (except foldable seats). A single charging port has room for two USB cables.

Passenger Information Display System (PIDS)

New LTA specifications demand the provision of Passenger Information Display Systems (PIDS) for commuters. One interior-facing LCD display panel is mounted above the centre aisle, near the exit door of the bus. A second, exterior-facing panel is placed near the entrance door, next to an Electronic Display that shows the bus route number, current time, destination, and the next few MRT stations that the bus serves. However, no en-route MRT connections are shown on Bus Service 272, which does not serve any MRT stations.

Accompanying the LCD screens are two additional Orange LED Text Displays which shows the service number, destination, and name of the next bus stop. They are mounted at the front and rear of the bus. In particular, the rear unit is fitted for the convenience of passengers sitting in rear-facing seats. All PIDS display screens are supplied by Luminator Technology Group.

All PIDS units also indicate when the bus stop call button is pressed. These are in addition to a bus stopping indicator that lights up when the bell is pressed (installed behind the driver’s cab).

Wheelchair Bay

Wheelchair accessibility is offered via a manual wheelchair ramp installed at the rear door. New LTA specifications also call for two wheelchair bays on new buses in line with providing for an ageing population. They also offer more standing space, as well as room for unfolded prams.

One wheelchair bay is located opposite the exit door (“right-side:), and the other just forward of the exit door (“left-side”). Each bay accommodates one passenger-in-wheelchair (PIW), and the wheelchair backrest contains a foldable seat (with retractable seatbelt) that doubles as a rear-facing seat. These seats do not contribute to the licensed seating capacity of the bus.

Both wheelchair bays offer buckle straps, but only the right-side wheelchair bay is fitted with a stroller restraint system. Blue PIW stop request buttons are mounted on the side wall.

Collision Avoidance System

​While typical newer buses in Singapore are retrofitted with Advanced Driver Assistance Systems (ADAS), the Citaro hybrid is factory-fitted with the Sideguard Assist and Preventive Brake Assist systems​, both of which are offered as options by Mercedes-Benz.

Sideguard Assist is a blind-spot monitoring system on the left side of the bus, consisting of an externally-mounted radar unit and a driver indicator (triangular LED) mounted on the A-pillar. If a moving object is in the monitoring zone to the side of the vehicle, a triangular-shaped yellow LED light turns on. If the driver initiates or continues an action that could lead to a collision, an additional visual warning takes place: the LED light flashes red with high brightness and then remains on permanently. The system is also able to issue a vibration warning to the driver’s seat, but it is not known if this feature is activated.

In addition, Preventive Brake Assist warns of a potential collision with moving pedestrians as well as stationary or moving objects and automatically initiates a braking manoeuvre with partial braking in the event of an acute collision hazard. This is held until either the driver intervenes or the bus comes to a stop. Warning cascade and braking intervention are designed for use in city traffic.


The PVC floorboard (Tarabus Gaya Wood Walnut – 4521 Yellowstone) mimics the appearance of wood. Other buses typically use plain colours or mosaic patterns for the floorboard.

Passenger Counter

An automatic passenger counter (iris IRMA MATRIXis installed above the front and rear doors. As a new specification required by the Land Transport Authority (LTA), this feature enables the gathering of more accurate passenger loading data.

Contributed Photos:

Photo Source: MANBSP Facebook (31 Aug 2019)

Photo Source: Storm⚡️Fire (Transportation)

External Links & References:

46 thoughts on “Mercedes-Benz Citaro hybrid

  • 15 March 2021 at 10:56 PM

    Hope its given back to SBST. Or atleast hope to see it given to mandai depot under tower transit. Maybe can be depolyed on 167 or 855.

  • 15 October 2020 at 7:55 PM

    Yes,Hopefully 200-300 units to replace Euro4 KUBs and Batch 1 OCs..150 units of Enviro500 Hybrid to replace B9TL CDGE,And 100 units of MAN Hybrid bendy for suppliment feeder usage

  • 7 October 2020 at 9:27 AM

    This is a very good bus, the engine noise is not too loud and the seats are comfortable. I hope LTA buys this in large numbers to replace those KUBs and OC500LEs in future and set aside several units in SK-HG, Gali Batu, Woodlands and Bedok packages to kick start the push towards clean energy buses.

  • 3 October 2020 at 9:36 PM

    I really like this bus so much. On 30 September which is this Wednesday, I board this bus from Eunos Bus Interchange. At that time, this bus is deployed to bus service 93. On the journey to Harbourfront Bus Interchange, I am impressed by the design and comfort inside the bus. Low engine noise and erogonomical design of the seats make me really so delighted that I don’t even want to get out of the bus at all! Hope the LTA will consider purchasing more of this type of bus because I really like Mercedes Benz buses.


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