We know that every action should have a legitimate reason behind it. Perhaps it stands even for buying a 7 seater suv. Given below are some of the common reasons or I would rather say as indicators which signify that you better go for a 7 seater suv.
The foremost thing is the requirement for a large vehicle: In case you need a large vehicle for your large family. Then a 7 seater suv is the best option. It has style it has class, it has power. Well This can be the best vehicle which your big family can rely on. Not to mention the additional space in case you have to put all your extra luggage and the user comfort a Mercedes 7 seater suv provides such as huge leg space etc. All in all it suits your big giant family.
The terrain near town is not great: Well in such as case. It is better to go for a suv because suvs are known to have superior road grip, in fact they are known specifically for ease of travel in terrains where normal cars cannot travel. You may not even worry if it is a mud road or a high tech road. Your suv can take it all. This also applies in case the roads are snow covered(minor snow only). The suv can deal with it without much problem. Perhaps it cannot combat with heavy snow but few adjustments can be made which shall make it compatible in snow roads as well.
A multipurpose Vehicle: A 7 seater suv is a multipurpose vehicle. You need not worry thinking if this passenger vehicle fits to urban roads or not in terms of style and parking ease. As I have previously mentioned. A 7 seater suv has the style, power and class to suit all locations. Your SUV can be perfectly fine for all roads. Moreover with more and more luxury suvs coming up. These suvs can be very easily be use din all regions.
Now if you have the need and have the finances in place. Why worry, go ahead and look for the best large suv which suits you.