Dorman 80988 Engine Oil Filler Cap

Engine Oil Filler Cap for Mercedes-Benz

Dorman 80988 is an engine oil filler cap built to match the fit and function of the original cap on specified Mercedes-Benz vehicles. It uses a black nylon body with a twist-lock design and oil-resistant construction for dependable sealing at the oil fill opening.

Compatible with Mercedes-Benz AMG GT, C350, E350, GLK350, S550, and other listed applications, this Dorman 80988 replacement helps restore proper closure at the engine oil fill point. The 2.47 in diameter and 1.18 in height support OE-style fitment on the vehicles shown below.

Key Features

• OE-style engine oil filler cap for specified Mercedes-Benz applications
• Black nylon construction for durability
• Twist-lock oil cap type for secure engagement
• Oil-resistant material helps maintain sealing performance
• Designed to match original fit and function
• Part number: 80988

Detailed Description

This engine oil filler cap is engineered as a direct replacement for the original cap on select Mercedes-Benz models. Dorman 80988 is designed for vehicles including the 2017-2018 Mercedes-Benz AMG GT, 2012-2015 Mercedes-Benz C350, 2012-2014 Mercedes-Benz E350, 2013-2015 Mercedes-Benz GLK350, and 2014-2015 Mercedes-Benz S550. It also fits additional AMG and luxury model applications listed in the fitment data. The cap’s nylon construction and twist-lock design support a secure, OE-style closure at the oil fill opening.

This part cross-references 0000100301 for the same application.

What It Helps Address

• Broken or missing engine oil filler cap
• Loose cap that does not lock securely
• Oil fill opening exposed to dirt and debris
• Oil seepage from a worn cap seal area
• Incorrect cap fit on Mercedes-Benz oil fill necks

Installation Notes and Tips

Verify the existing cap style, diameter, and twist-lock engagement before installation. Confirm vehicle fitment by year, make, and model, including the listed Mercedes-Benz AMG GT, C350, E350, GLK350, S550, and related applications. Clean the oil fill area before installing the cap to help ensure proper seating and sealing.

Quality Assurance

Dorman designs this replacement cap to match original fit and function and to provide durable, reliable performance in engine oil service.