Place the beef stew meat in the bottom of the slow cooker.
Add the diced onion, minced garlic, and chopped chipotle peppers on top of the beef.
Sprinkle the cumin, oregano, salt, and black pepper over the ingredients.
Pour the diced tomatoes and beef broth into the slow cooker.
Stir in the drained pinto beans until everything is evenly combined.
Cover and cook on low for 8 hours until the beef is tender.
Ladle the stew into bowls and top with chopped cilantro. Serve with lime wedges on the side.