How many complaints have been filed for the 2014 Mercedes-Benz C300?

120 consumer complaints have been filed with NHTSA for the 2014 Mercedes-Benz C300.

Are there technical service bulletins (TSBs) for the 2014 Mercedes-Benz C300?

There are 95 technical service bulletins (TSBs) on file with NHTSA for the 2014 Mercedes-Benz C300.

2014 Mercedes-Benz C300 Service and Repair Manual

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Factory-Grade Data

2014 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 Sport Sedan 4-Door
4Matic Sedan 4-Door
4Matic Luxury Sedan 4-Door

Engines covered

3.5L 3498CC V6 GAS DOHC Naturally Aspirated
3.5L 3498CC V6 FLEX DOHC Naturally Aspirated

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

Payment & Security

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Vehicle Safety Data

2014 Mercedes-Benz C300 Recalls & Complaints

No active recalls The 2014 Mercedes-Benz C300 has no recalls on file with NHTSA.

TSB #11031594

This NCU replaces the prior NCUs issued on May 18, June 25, 2020 and October 1, 2020 and contains important workshop instructions on how the HVAC Service Warranty repair must be carried out. To enhance the satisfaction of our customers, avo

TSB #11031580

Complaint Headlamp, front fog lamp leaky or fogged. Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compe

TSB #11029959

Complaint Headlamp, front fog lamp leaky or fogged Cause Fogging of the headlamps is a natural phenomenon, which can occur under certain climatic conditions. It does not lead to any technical impairment of the headlamp. If a pressure compen

TSB #11029025

TSB #11025648

Complaint Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The clunk is heard once when changing from forward to reverse (and vice versa). Note: Sound file in attachment Cause If the

TSB #11019018

TSB #11017500

Complaint Headlamps leaking or fogged Cause The fogging of the headlamp is a natural phenomenon which can occur under certain climatic conditions. In contrast to a leaky headlamp, physical fogging does not result in a technical impairment o

TSB #11017496

Showing the 8 most recent of 95 technical service bulletins on file with NHTSA.

20190509Component: VEHICLE SPEED CONTROLCrash reported3 injured

TL* THE CONTACT OWNED A 2014 MERCEDES-BENZ C350. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 15-30 MPH, THE VEHICLE INDEPENDENTLY ACCELERATED. THE CONTACT STATED THAT HE WAS UNAWARE OF HOW

20180114Component: AIR BAGSCrash reported1 injured

WHILE IN MOTION (DRIVING) ANOTHER DRIVER TURNED IN FRONT OF ME, CAUSING ME TO T-BONE HER (POLICE REPORT WITH DESCRIPTION ATTACHED). I SLAMMED ON BRAKES TO TO LESSEN THE UNAVOIDABLE IMPACT. I ESTIMAT

20150428Component: VEHICLE SPEED CONTROLCrash reported1 injured

TL* THE CONTACT OWNS A 2014 MERCEDES BENZ C300. WHEN THE IGNITION WAS TURNED TO THE ON POSITION AND THE VEHICLE WAS SHIFTED INTO DRIVE WITH THE BRAKE PEDAL DEPRESSED, THE VEHICLE ACCELERATED WITHOUT W

20200911Component: AIR BAGSCrash reported

2014 MERCEDES BENZ C300. CONSUMER WRITES IN REGARDS TO CONCERNS WITH THE PASSENGER SIDE AIRBAG. *LD THE CONSUMER STATED NUMEROUS CALLS AND ATTEMPTS WERE MADE TO HAVE THE RECALL REPAIR COMPLETED TO

20190429Component: AIR BAGSCrash reported

TL* THE CONTACT OWNS A 2014 MERCEDES-BENZ C300. WHILE THE CONTACT'S SON WAS DRIVING 40 MPH, ANOTHER VEHICLE CRASHED INTO THE FRONT END OF THE CONTACT'S VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THERE WE

Showing the 5 most serious of 120 complaints filed with NHTSA.

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