Mecury Marine does not offer MerCruiser manuals on its website. The company sells MerCruiser manuals through its parent company's website, Brunswick.com, as of November 2015.
The Brunswick website carries manuals for seven different MerCruiser products, including the four-, six- and eight-cylinder models. Consumers can also purchase manuals for MerCruiser diesel, racing, drives and racing drives. For each product, Brunswick provides an owner's manual, a parts manual and a service manual.
The Mercury Marine website offers free resources for MerCruiser owners, including instructional maintenance videos. The videos cover topics such as changing the engine oil and performing a freshwater flush on the sterndrive.