2019 Mercedes-Benz C300 Service and Repair Manual

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Factory-Grade Data

2019 Mercedes-Benz C300 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.

Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Wiring diagrams and electrical sections
  • Powertrain, brakes, steering, suspension, HVAC and more

Trims covered

  • 4Matic Wagon 4-Door
  • Sport Convertible 2-Door
  • 4Matic Convertible 2-Door
  • Base Sedan 4-Door
  • 4Matic Sedan 4-Door
  • Sport Sedan 4-Door
  • Base Convertible 2-Door
  • Base Coupe 2-Door
  • Coupe Coupe 2-Door
  • 4Matic Coupe 2-Door

Engines covered

  • 2.0L 1991CC l4 GAS DOHC Turbocharged

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2019 Mercedes-Benz C300 Recalls & Complaints

NHTSA #20V44900031/07/2020Component: ELECTRICAL SYSTEM:SOFTWARE

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300, C300 Coupe, CLS450, E450 Coupe and S450, 2017-2019 E300, 2018 E400 Coupe, E400 Stationwagon, and 2018-2019 S560 vehicles that have previ

Consequence

Without the audible tone and blinking warning light to remind the front seat occupants that their se

Remedy

MBUSA will notify owners, and dealers will update the instrument cluster software, free of charge.

NHTSA #18V83900027/11/2018Component: SEAT BELTS

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019 C300 4Matic Cabriolet, C43 AMG Cabriolet, C300 Cabriolet, C300 Coupe, C300 4Matic Coupe, C43 AMG Coupe, E450 Coupe, E53 AMG Cabriolet, S450, S5

Consequence

If the seat belt tensioning does not activate in the event of a crash, it can increase the risk of i

Remedy

MBUSA will notify owners, and dealers will replace the seat belt buckles, free of charge. The recal

NHTSA #18V90900019/12/2018Component: PARKING BRAKE

Mercedes-Benz USA,LLC (Mercedes) is recalling certain 2019 C43 AMG, C43 AMG Cabrio, C43 AMG 4MATIC Coupe, C300 4MATIC, C300 4MATIC Coupe, C300 Coupe, C300 Cabrio, C300 4MATIC Cabrio, and C300 vehicles

Consequence

Driving the vehicle with the ESP system deactivated could increase the risk of a crash.

Remedy

Mercedes has notified owners, and dealers will update the ESP system software, free of charge. The

NHTSA #20V60800002/10/2020Component: LATCHES/LOCKS/LINKAGES

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2019 C300 vehicles. The center console lock-system might not lock properly. As such, these vehicles fail to comply with the requirements of Feder

Consequence

In the event of a rear-end crash, the center console lid may open, increasing the risk of injury to

Remedy

MBUSA will notify owners, and dealers will check the center console storage compartment, and replace

No service bulletins No technical service bulletins on file with NHTSA for the 2019 Mercedes-Benz C300.
No complaints filed No consumer complaints on file with NHTSA for the 2019 Mercedes-Benz C300.
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