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Showroom: Drumul Lunca Corbului 2, Sector 3, Bucharest, Romania
We fitted a set of Menabo Tema roof bars and a Menabo Marathon Dark 400 roof box on a Mercedes-Benz B-Class W246 in the SuportBicicleta.ro showroom at Drumul Lunca Corbului 2, Sector 3, Bucharest, Romania. The roof bars were fitted directly onto the roof, because the roof of this model has no roof rails.
In brief
- Car: Mercedes-Benz B-Class W246, 5-door hatchback, built 2011-2018.
- Fitted: Menabo Tema Aluminium roof bars and a Menabo Marathon Dark 400 roof box, 400 litres.
- Capacity: the bars carry 75 kg, and the box carries 50 kg of luggage.
- Fitting: the roof bars fix onto the roof with the dedicated kit, and the roof box on the 60 mm U-bolt system or the 20 mm T-track system, both included.
About the car: Mercedes-Benz B-Class W246
The Mercedes-Benz B-Class W246 was built from November 2011 to December 2018, with series production starting in Rastatt, Germany. It is a 5-door hatchback, and the facelift was unveiled at the Paris Motor Show in October 2014. The model that replaced the W246 is the W247, launched in October 2018.
The roof of this model has no roof rails, so the roof bars are fitted directly onto the roof. The feet of the roof bars sit on the roof and grip the door frames, as the fitting photos show. To understand the difference between roof bars and a rear-mounted bike rack, read roof-mounted bike rack versus rear-mounted rack.
What we fitted on this Mercedes-Benz B-Class
Menabo Tema Aluminium has 2 aluminium roof bars, 1,120 mm long, 30 mm high and 48 mm wide, with an oval profile. The 20 mm T-track on top lets you fit bike racks, roof boxes or ski racks. The kit includes 4 fixing systems, 4 feet, 4 locks and an Allen key. You can find the set here: Menabo Tema Aluminium roof bars for Mercedes B (W246), 5-door, 2012-2018.
The Menabo Marathon Dark 400 roof box has a volume of 400 litres, in matt black ABS plastic. It weighs 13.2 kg and comes with the 60 mm U-bolt system and the 20 mm T-track system included. On the product page you will find Menabo Marathon Dark 400 roof box. You will find the fitting instructions below as a PDF.
Video: Fitting the clamps for the Menabo Tema bars
Video: Menabo Marathon Dark 400 roof box presentation











Technical details and what to watch for
- Tema: maximum load 75 kg, fixed directly onto the roof with the dedicated kit, TÜV and ISO approved.
- Useful sum: the Marathon box weighs 13.2 kg, so of the 75 kg limit of the roof bars, about 61.8 kg remain. The box itself holds 50 kg of luggage.
- Height: with the box on the roof bars, the height of the car increases; check the height limit of underground car parks or barriers before you set off.
- Optional fitting: an 80 mm U-bolt system is also available for the box, as an optional extra.
- Tema fitting: the instruction manual is included in the package, and the product page has a video showing how to fit the feet.
Instructions and documents
Frequently asked questions
How much weight do Menabo Tema roof bars support on a Mercedes B-Class W246?
Menabo Tema roof bars support a maximum load of 75 kg on the Mercedes B-Class W246, 5-door. They are 1,120 mm long, made of aluminium, and have a 20 mm T-track on top.
How much weight can the Menabo Marathon Dark 400 roof box take?
The Menabo Marathon Dark 400 roof box holds 50 kg of luggage and has a volume of 400 litres. It weighs 13.2 kg on its own, and this weight counts towards the load of the roof bars.
What fitting do Menabo Tema roof bars have for accessories?
Menabo Tema roof bars have a 20 mm T-track on top, for T-track fittings. Accessories with a U-bolt fitting are fixed around the outside of the roof bar.
Does a Mercedes B-Class W246 need roof bars for the Marathon roof box?
Yes, the Menabo Marathon Dark 400 roof box is fitted on roof bars. On the Mercedes-Benz B-Class W246 the Menabo Tema set is fixed directly onto the roof, and the roof box is fixed on the roof bars.
We are waiting for you in the showroom
Our shop is at Drumul Lunca Corbului 2, Sector 3, Bucharest, Romania, where we check the fitting kit for your car. See roof bars and roof boxes, and for questions you can reach us at contact us through our contact page or at [email protected].
You can also message us on WhatsApp.
Sources: Wikipedia, Mercedes-Benz B-Class (W246): production November 2011 - December 2018, 5 doors, facelift October 2014 · Wikipedia, Mercedes-Benz B-Class: W247 launched on 2 October 2018 · Photo from the post: roof without roof rails, feet on the roof with clamp on the door frame · SuportBicicleta.ro guide: roof-mounted bike rack vs rear-mounted bike rack · product pages on suportbicicleta.ro
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