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Mercedes-Benz Unimog U 400 - Road / Rail Sersa

Maker:  NZG
Model No:  9105/01
Scale:  1:50
Review Date:  March 2016

NZG Index
Construction Truck Index

Cranes Etc Model Rating
Packaging   (max 10)8
Detail   (max 30)25
Features   (max 20)15
Quality   (max 25)20
Price   (max 15)11
Overall   (max 100)79%


Special Unimogs U 400 video.  [Youku Video]
NZG-branded box.
Display case.
Very good steering angle.
Plate at the front.
Loaded with marker boards.
On track.
Comment on this model.

This model is a Mercedes-Benz 4x4 Unimog U 400 series which is configured for road / rail use.

This model is in the colours of Sersa, the German railway engineering company.


This version of the model comes in a NZG-branded box and inside it is held within a plastic display case. The display case cannot accommodate the track section because of the attachment points securing the Unimog.

There were no defects or missing parts on the review model.

There is no information about the model or the real vehicle. 


The Unimog has a detailed 4x4 chassis which is modelled in metal, and the large wheel hubs are plastic.  The tyre design is the same on all wheels.  There are small rail wheels attached to frames at the front and back, although on the review model the front frame sits too low in road mode.

At the front the lights are painted. The Mercedes-Benz logo is modelled well and there is a plate with nice graphics.  The cab is detailed with rigid lights, mirrors and number plate assemblies.  Even though the model is in Sersa colours, the number plate is a dummy. 

Textured steps lead up to the cab and the Sersa graphics are detailed and sharp.  The vehicle type is shown as a U 430.  Inside the cab there is a Mercedes-Benz logo on the steering wheel and the centre console is finely detailed with switches.

Behind the cab the exhaust and air intake is plastic.

Fuel and water tanks look good with highlighted filler caps.

The body is metal and the drop sides are detailed and non-functional. 

The rear lights have good looking plastic lenses and twin boxes have very fine grille texturing.  There is also a towing hitch.

A section of rail track is included together with a connector so that sections can be joined up.  It has a detailed plastic bed and metal rails.


The Unimog rolls well and the steering works well and achieves a good angle.

The rail wheels can be lowered and raised.

The model can be displayed in its display case, or removed by unscrewing two securing screws.  It can be posed on the included track section, but not inside the display case.

It can be posed towing a trailer.


This is another quality Unimog model from NZG with a high metal content.

The finish is very good and the graphics are sharp.


It is good value.


As a road-rail vehicle this Unimog is particularly interesting, and looks really good on the included track section.


The model first appeared at the Nuremberg Toy Fair in 2016 and was available in this livery in January 2016.

The parts out of the box.
Profile view.
Big hubs.
Looks impressive.
Detailed chassis.