The Don Carlos is a car transporter from the Swedish shipping company Wallenius Lines . As a Pure Car and Truck Carrier , it is designed for the transport of up to 7200 automobiles. She has 13 decks on which she normally transports a combination of cars and trucks. Some of the decks are reinforced to accommodate trucks or optionally RoRo cargo. The ship is mainly used in North Atlantic traffic. The main ports of call are in Western Europe and North America . The ship can often be seen in Bremerhaven . The Don Carlos was built in Seoul , South Korea. The launch took place in 1997. The car transporter drives under the Swedish flag. The sister ship of the Don Carlos is the Elektra .