2018 Mercedes-Benz C300 Service and Repair Manual

This factory service and repair manual for the 2018 Mercedes-Benz C300 pairs one engine with a wide set of bodies. The turbocharged, gasoline-fueled 2.0L inline-four, with twin overhead cams, powers the convertible, the sedan and the coupe, and the car is listed in Base and 4Matic trims. Specifications, torque figures and wiring diagrams are provided for that four-cylinder and for the two-door and four-door bodies.

Engines covered

• 2.0L inline-four — DOHC, turbocharged, gasoline

Body styles covered

• 2-door convertible
• 4-door sedan
• 2-door coupe

Trims covered

• Base
• 4Matic

Known issues on the 2018 C300. NHTSA lists eighteen recalls for the 2018 C300. Certain vehicles may have left a repair shop with LED headlights aimed incorrectly, cutting visibility; the remedy is new headlights. On certain 2018 C300 vehicles the communication module could have been deactivated during service, leaving eCall unable to reach help. Certain cars with a panoramic sunroof may have a front roof panel that was not properly bonded in an earlier repair and could separate. Owners lodged 110 complaints, concentrated on the engine (36), structure (17) and steering (13); 4 reported a crash and 1 an injury. Headlight adjustment, body panel work and engine diagnostics are covered with specifications and wiring diagrams.