Mercedes Roof Box
Best Roof Box for a Subaru Outback

As time goes on, you might find out that your Mercedes-Benz is running out of room. If you need more storage space, or simply don’t want to dirty up your car, you might be interested in buying a roof box.

Trying to find a new roof box typically means researching various suppliers and manufacturers. This typically means spending hours on end researching weight limits, sizes, and other roof box-related factors. Unfortunately, most adults don’t have this kind of to spare. 

If you need help picking the perfect Mercedes roof box, we’re here to help. We know that choosing a roof box is an incredibly important decision. By checking out our Mercedes roof box reviews and comparisons, you’ll have an easy time choosing the best roof cargo box. Plus, you’ll save lots of time. What’s better than that?

In this post, you’ll learn about the best Mercedes roof boxes, how to install a roof box, and more information about other roof-related Mercedes accessories.

The Best Mercedes Roof Box Comparison

The Best Mercedes Roof Box Reviews

It’s now time to take a look at the best Mercedes roof boxes of 2021. To make this list, the team at theroofboxes.com took a close look at the most popular roof boxes for Mercedes-Benz vehicles. We also took special care to make sure that each of these items in this list received positive reviews.

Here are the best Mercedes-Benz roof boxes.

SportRack Vista XL Rear Opening Cargo Box:

One of the most popular roof boxes remains the SportRack Vista XL Rear Opening Cargo Box. This roof cargo box comes with tool-free mounting hardware. The included hardware makes it incredibly easy to install this roof box, especially if you don’t consider yourself good with tools.

The main feature of the SportRack Vista XL is that it opens from the rear. This feature is convenient for people that want to access their cargo from a more discreet location. The manufacturers of this item make it from extremely durable ABS plastic. This type of plastic provides both durability and resistance from the sun’s rays, which means no fading.

SportRack’s Vista XL roof cargo box is capable of holding up to 100 lbs of weight. The impressive weight limit of this box makes it great for storing quite a lot of cargo. What’s also great about this roof box is that it’s aerodynamic, which helps to reduce rooftop noise while you’re driving.

The SportRack Vista XL is 64.17 inches long, 40 inches wide, and 18.89 inches tall. It offers up to 18 cubic feet of storage volume.

Thule Force XT Rooftop Cargo Box:

Another popular and versatile storage solution is the Thule Force XT Rooftop Cargo Box. This roof box features dual side openings that offer easy access for everyone. Plus, this roof cargo box typically offers full rear of vehicle access.

With the Thule Force XT’s PowerClick Quick-Mount System, you won’t have to spend ages installing your roof box. This roof box’s torque indicator audibly clicks after it’s been properly mounted.

The Thule Force XT roof box is available in four sizes: Sport, L,  XL, and XXL. Each roof box in the Thule Force XT line has a 165 lb weight limit.

The Sport roof box holds 11 cubic feet of storage space. It’s 74.75 inches long 24.75 inches wide, and 16.75 inches tall. It weighs 32 lbs.

The L roof box holds 16 cubic feet of cargo. This roof box is also 74.75 inches long. It’s wider than the Sport, measuring 33 inches wide and 18 inches tall. The Thule Force XT - L weighs 41 lbs.

The XL roof cargo box holds 18 cubic feet of storage space. Its dimensions are 82.75 inches long, 33.75 inches wide, and 17.25 inches tall. This roof box weighs a total of 47 lbs.

Lastly, there’s the Thule Force XT - XXL. The XXL roof box features 22 cubic feet of room. As you can imagine, it’s also the largest roof box in this line of products. This roof box measures 90.5 inches long, 35.5 inches wide, and 18.5 inches tall. The Thule Force XT - XXL weighs 52 lbs.

Goplus Waterproof Rooftop Cargo Carrier:

While it’s not the largest Mercedes roof box on our list, the Goplus Waterproof Rooftop Cargo Carrier is one of the best. It offers 14 cubic feet of total cargo space, giving you more than enough room for your important items.

Another feature of this item is that it’s a waterproof roof box. This feature is great for anyone who needs to make sure nothing gets wet while inside of a cargo box. The Goplus Waterproof Rooftop Cargo Carrier also features metal lid stiffeners. These stiffeners add an extra degree of security to your roof box.

The GoPlus Waterproof Rooftop Cargo Carrier is available in three beautiful colors: black, white, and titanium gray. It weighs 25 lbs and can carry up to 165 lbs of weight. This roof box is 63 inches long, 31 inches wide, and 15 inches tall.

 MENABO Diamond 450 Liter Roof Box:

You might also be interested in a MENABO Diamond 450 Liter Roof Box. This roof box is available in both black and white. The MENABO Diamond also features dual opening capabilities for people from either side of your vehicle.

You have two options when it comes to installing this roof box. You can either use the included T-System screws. If you don’t want to get out any tools, this roof box also includes a universal fitting system.

The MENABO Diamond weighs a total of 45.70 lbs. It is 64.25 inches long, 35.75 inches wide, and 14.60 inches tall. This roof box has a maximum weight capacity of 165 lbs.

Thule Motion XT Rooftop Carrier:

We’re also big fans of YAKIMA’s roof boxes. One of our favorites from this company is the YAKIMA RocketBox Pro Compact Roof Box. This roof box is best if you need something that’s a little smaller than other options on this list.

Available in black, the YAKIMA RocketBox Pro features an aerodynamic design that helps reduce drag and noise while this box is on top of your Mercedes automobile. To help ensure installing this roof box is easy, the YAKIMA RocketBox Pro features a quick-dial mounting system.

For more information about stopping this kind of racket, check out our article answering the question: How do I stop my roof box from making noise?

This roof box weighs a total of 45 pounds. Its dimensions are 58 inches wide long, 36 inches wide, and 16 inches tall. The YAKIMA Rocketbox Pro is capable of carrying up to 165 lbs of cargo.

How To Install a Mercedes Roof Box

It's now time for us to show you how to install a Mercedes roof box. By learning this information, you’ll be ready to install your roof box as soon as it arrives. Let’s get started!

Do I Need Crossbars?

Before you can install most roof boxes, you’ll need a set of crossbars. As the name implies, crossbars are sets of bars that rest horizontally along your vehicle’s roof. With that in mind, it’s easy to confuse crossbars with roof rails.

Roof rails lie vertically alongside your vehicle. You’ll typically see roof rails on top of SUVs, but they're also available on other types of automobiles. As previously mentioned crossbars lie horizontally alongside your vehicle. Unlike roof rails, most vehicles don’t come with a set of crossbars. Fortunately, we have some recommendations for a few official Mercedes-Benz crossbars.

First, there are the Autekcomma Heavy Duty Roof Rack Crossbars. These crossbars feature built-in rubber pads to avoid scratching your vehicle’s roof rails. Plus, each bar comes with a lock and key to keep your items secure. The Autekcomma Heavy Duty crossbars are also easy to install and remove from your car.

Another popular option is a set of BRIGHTLINES Roof Rack Crossbars. When properly installed, these crossbars can provide up to 150 lbs of load capacity. Plus, these crossbars are also incredibly easy to install. With the aero wing shape of these crossbars, they can also drastically reduce wind noise while you’re driving.

Lastly, we also wanted to mention the MotorFansClubs Crossbars. Made from aluminum and ABS plastic, these crossbars provide a sturdy foundation for all of your cargo. The maximum load capacity of these bars is 220lbs. These items are also easy to quickly install.

Autekcomma Heavy Duty Roof Rack Crossbars:

First, there are the Autekcomma Heavy Duty Roof Rack Crossbars. These crossbars feature built-in rubber pads to avoid scratching your vehicle’s roof rails. Plus, each bar comes with a lock and key to keep your items secure. The Autekcomma Heavy Duty crossbars are also easy to install and remove from your car.

Another popular option is a set of BRIGHTLINES Roof Rack Crossbars. When properly installed, these crossbars can provide up to 150 lbs of load capacity. Plus, these crossbars are also incredibly easy to install. With the aero wing shape of these crossbars, they can also drastically reduce wind noise while you’re driving.

Lastly, we also wanted to mention the MotorFansClubs Crossbars. Made from aluminum and ABS plastic, these crossbars provide a sturdy foundation for all of your cargo. The maximum load capacity of these bars is 220lbs. These items are also easy to quickly install.

Step by Step Roof Box Installation Instructions

After your roof box arrives, it’s understandable to want it installed right away. With that in mind, let us help you with step-by-step instructions for how to install a roof box.

Step 1: Before making any kind of roof box order, it’s a good idea to measure the top of your vehicle. Doing this ensures you don’t buy a Mercedes roof box that’s either too big or small for your automobile.

Step 2: Unpack your roof box from its original package, making sure to set aside any important tools, screws, or similar items for safekeeping. If you bought a roof box that requires no tools, you shouldn’t have much to set aside.

Step 3: Now, you’ll want to assemble your roof box’s base. To do this, you’ll need to connect your roof box’s mount to your crossbars. If your roof cargo box either doesn’t require crossbars or they’re already pre-installed, you can skip this step.

Step 4: It’s now time to mount your roof box to your crossbars. In most cases, you’ll place the roof box on the top of your vehicle and use some type of locking system. This locking system secures your roof box to the top of your car. During this step, make sure your roof box is tightly locked into place and doesn’t wobble.

Step 5: By this point, you should have a properly installed roof box on your automobile. Now, consider taking a slow test drive around your neighborhood to make sure that your roof box is securely fastened to your Mercedes.

Other Popular Mercedes-Benz Roof Accessories:

A Mercedes roof box is a great way to keep your belongings safe and secure. However, these aren’t the only ways to gain more rooftop storage space. Similar to roof boxes, Mercedes manufactures other similar accessories. Here’s a closer look at other popular accessories for the roof of your Mercedes-Benz.

A Mercedes-Benz Bicycle Rack:

If you own a bicycle, you know there’s almost nothing as rewarding as going for a bike ride. Riding a bike gets you out of the house, away from stress, and able to enjoy the great outdoors. While riding a bike is easy, finding a way to transport it isn’t always as simple. If you’re a Mercedes-Benz owner that wants to bring their bicycles along, this company has a solution.

Known as the Mercedes Bicycle Rack, you have an easy way to transport one or several bikes. This item is suitable for multiple types of bicycles, including road or trekking bikes. Plus, the aluminum and steel construction of this bike rack makes it both durable and extremely lightweight. This bicycle rack only weighs a total of 2.5kg or a little over 5 lbs.

What’s also great about the Mercedes Bicycle Rack is that it comes pre-installed. All you have to do is mount this rack on your vehicle by following the instruction manual, and you’re all set. The Mercedes-Benz Bicycle Rack also includes bungee cords to keep your bikes safe and secure. This bicycle rack can safely hold tire widths from 20 to 60 millimeters in width. 

If you’ve used a bicycle rack in the past, you know that it’s sometimes awkward to secure your bikes to this device. Fortunately, Mercedes made its rack more convenient by allowing you to secure your bicycles on the ground. With this feature, you can attach your bikes and then secure your pre-loaded rack.

When you’re not using this bicycle rack, you’ll be glad to know that it easily folds down. Because it folds down, you can still bring this rack with you without worrying about it taking up lots of space.

Ski and Snowboard Rack

Throughout the year, many people love to go skiing and snowboarding. Unfortunately, it’s not always easy for someone to bring along their skis and snowboards. If you’re dealing with this problem, you might need a Mercedes Ski and Snowboard Rack.

There are two options to choose from when buying this rack, either the Standard or Comfort version. The Standard rack is capable of holding a maximum of four pairs of skis without sticks or two snowboards. The Comfort rack, on the other hand, can hold up to six pairs of skis or up to four snowboards.

The Mercedes Ski and Snowboard rack also makes it easy to load and unload your items with a handy pull-out function. Plus, you can rest assured that this ski and snowboard rack is incredibly easy to mount on top of your Mercedes-Benz.

Ski and Snowboard Rack

Throughout the year, many people love to go skiing and snowboarding. Unfortunately, it’s not always easy for someone to bring along their skis and snowboards. If you’re dealing with this problem, you might need a Mercedes Ski and Snowboard Rack.


There are two options to choose from when buying this rack, either the Standard or Comfort version. The Standard rack is capable of holding a maximum of four pairs of skis without sticks or two snowboards. The Comfort rack, on the other hand, can hold up to six pairs of skis or up to four snowboards.


The Mercedes Ski and Snowboard rack also makes it easy to load and unload your items with a handy pull-out function. Plus, you can rest assured that this ski and snowboard rack is incredibly easy to mount on top of your Mercedes-Benz.


The Mercedes Sports and Luggage Container:

The Mercedes Sports and Luggage container is a great way to gain even more cargo space. This type of container, as the name implies, isn’t the best for storing large or long items.

However, the Mercedes-Benz Sports and Luggage Container does make it easy to store suitcases, sleeping bags, and other types of luggage. This item also features a durable cover for additional peace of mind.

As you can see, Mercedes-Benz offers many great rooftop storage solutions for its vehicles. With one of the previously mentioned items, you can have extra storage space needed to store all kinds of items. Most people use roof boxes to store bulkier or longer items like skis, snowboards, golf clubs, and similar types of outdoor-related goods. 

Conclusion

If you enjoyed our Mercedes roof box reviews and comparisons, make sure to visit our website for the best roof box reviews. We’re always researching and testing roof boxes to provide you with up-to-date and accurate information. Plus, our website is home to a wide range of helpful roof box reviews and advice for these items.

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