Model year record

2020 Mercedes-Benz C 300

9 recall campaigns on file for this model year. 70 owner complaints on file.

Recalls

Recall campaignNHTSA 23V854000

Structure: body: roof and pillars

Component
Structure: body: roof and pillars
Manufacturer
Mercedes-Benz USA, LLC
Vehicles affected
2,976
Reported to NHTSA
2023-12-15
Owners notified
2024-03-22

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2014-2020 C-Class, CLA, GLA, S-Class, GLC, and GLE vehicles. Please refer to MBUSA's recall report for specific vehicle details. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair, allowing the front panel to detach from the vehicle.

Safety risk

A detached roof panel can become a road hazard, increasing the risk of a crash.

Manufacturer remedy

Dealers will replace the front panel, free of charge. Owner notification letters were mailed on August 2, 2024. Owner notification letters will be mailed in phases, on, March 22,2024, and August 2, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. This recall is an expansion of NHTSA recall number 21V-197.

Recall campaignNHTSA 22V365000

Communication: auto crash notification

Component
Communication: auto crash notification
Manufacturer
Mercedes-Benz USA, LLC
Vehicles affected
242,722
Reported to NHTSA
2022-05-20
Owners notified
2022-07-08

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.

Safety risk

A disabled eCall system would prevent a vehicle occupant from contacting the emergency services call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.

Manufacturer remedy

The communication module software will be updated through an Over-the-Air (OTA) update or by a dealer, free of charge. Owner notification letters were mailed July 8, 2022. Owner notification letters will be mailed in phases, on July 8, 2022, May 17, 2024, July 29, 2024, and September 27, 2024. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's numbers are for this recall is 2022060005 and 2023110006.

Recall campaignNHTSA 22V232000

Back over prevention: display function

Component
Back over prevention: display function
Manufacturer
Mercedes-Benz USA, LLC
Vehicles affected
126,443
Reported to NHTSA
2022-04-08
Owners notified
2022-07-15

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Safety risk

An inoperable rearview camera display reduces the driver's rear view, increasing the risk of a crash.

Manufacturer remedy

Dealers will update the rearview camera software, free of charge. Owner notification letters were mailed July 15, 2022. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2022060007.

Recall campaignNHTSA 21V509000

Exterior lighting: headlights

Component
Exterior lighting: headlights
Manufacturer
Mercedes-Benz USA, LLC
Vehicles affected
1,467
Reported to NHTSA
2021-07-02
Owners notified
2022-01-07

Defect description

Mercedes-Benz LLC (MBUSA) is recalling certain 2018-2020 C300, 2019-2020 A220, AMG C43, AMG C63, 2020 GLE580, GLB250, 2020-2021 GLE450, GLE350, 2021 AMG GLE63, and AMG GLE53 vehicles. The LED headlights may have been incorrectly adjusted during a vehicle repair. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Safety risk

Incorrectly adjusted headlights may reduce visibility, increasing the risk of a crash.

Manufacturer remedy

Dealers will replace the LED headlights, free of charge. Interim letters notifying owners of the safety risk were mailed August 13, 2021. A second notice will be sent once the remedy is available. Owner notification letters were mailed January 2022. Owners may contact MBUSA customer service at 1-800-367-6372.

Recall campaignNHTSA 21V197000

Structure: body: roof and pillars

Component
Structure: body: roof and pillars
Manufacturer
Mercedes-Benz USA, LLC
Vehicles affected
15,096
Reported to NHTSA
2021-03-19
Owners notified
2021-09-03

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2020 C300 Coupe, C43 Coupe AMG, C43 AMG, 2015-2020 C300, GLA250, 2016-2018 C350e, CLA45 Coupe AMG, 2015 C400, S65 AMG, 2015-2019 C63 AMG, 2016 C450, 2015-2016 GLA45 AMG, S600, 2016-2020 GLC300, 2017-2019 GLC43 AMG, GLE43 Coupe AMG, 2014-2019 CLA250 Coupe, 2014-2015 CLA45 AMG, 2018 GLC63 AMG, 2014-2017 S550, 2018-2020 S450, 2016-2019 GLE63 Coupe AMG, 2016 GLE450 Coupe, 2014-2020 S63 AMG, 2018-2019 S560, and 2019 GLC350e vehicles equipped with a panoramic sunroof. The front roof panel located between the windshield and the panoramic sunroof may not have been bonded correctly to the vehicle during a prior repair.

Safety risk

The adhesive bonding of the front panel might deteriorate, possibly causing the front panel to detach from the vehicle and become a road hazard, increasing the risk of a crash.

Manufacturer remedy

Mercedes-Benz dealer will remove the bonded panel and will install a new front panel by following the detailed repair instructions and using the approved primer, cleaner and adhesive, free of charge. Owner notification letters were mailed on September 3, 2021 and October 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Recall campaignNHTSA 21V058000

Communication: auto crash notification

Component
Communication: auto crash notification
Manufacturer
Mercedes-Benz USA, LLC
Vehicles affected
1,292,258
Reported to NHTSA
2021-02-05
Owners notified
2021-03-12

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.

Safety risk

Failure of the eCall system may result in emergency responders being dispatched to the wrong location, increasing the risk of injury following a crash.

Manufacturer remedy

MBUSA will notify owners, and the communication module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. The recall began March 12, 2021. Owners may contact MBUSA customer service at 1-877-762-8267. MBUSA's number for this recall is 2021020025.

Recall campaignNHTSA 21V032000

Seat belts: front: retractor

Component
Seat belts: front: retractor
Manufacturer
Mercedes-Benz USA, LLC
Vehicles affected
24,550
Reported to NHTSA
2021-01-29
Owners notified
2021-02-26

Defect description

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2021 C300, 2017-2020 AMG C43, and AMG C63 vehicles. The front seat belts might not fully retract to their stowed position. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."

Safety risk

If the seat belt does not fully retract, the occupant may find the operation of the seat belt inconvenient and not wear it, increasing the risk of injury in the event of a crash.

Manufacturer remedy

MBUSA will notify owners, and dealers will check the retraction function of the front seat belts and adjust the damping foam within the B-pillars, as necessary, free of charge. The recall began February 26, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021020010.

Recall campaignNHTSA 20V364000

Engine and engine cooling: engine: gasoline: turbo/supercharger

Component
Engine and engine cooling: engine: gasoline: turbo/supercharger
Manufacturer
Mercedes-Benz USA, LLC.
Vehicles affected
90
Reported to NHTSA
2020-06-22
Owners notified
2020-08-17

Defect description

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300, E350, and GLC300 vehicles equipped with turbocharged 4-cylinder gasoline engines. The screws that retain the turbocharger oil feed and return lines may not have been properly tightened, possibly resulting in an oil leak.

Safety risk

An oil leak in the presence of an ignition source such as hot engine or exhaust components can increase the risk of a fire.

Manufacturer remedy

MBUSA will notify owners, and dealers will inspect the turbocharger oil lines and tighten them as necessary, free of charge. The recall began August 17, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020070017.

Recall campaignNHTSA 20V068000

Communication

Component
Communication
Manufacturer
Mercedes-Benz USA, LLC.
Vehicles affected
239
Reported to NHTSA
2020-02-07
Owners notified
2020-04-14

Defect description

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2020 C300 Cabrio, C300 Cabrio 4MATIC, C300 Coupe, C43 AMG Cabrio 4MATIC, C43 AMG Coupe 4MATIC, C63S AMG Cabrio, CLS53 AMG 4MATIC, E350, E350 4MATIC, E450 Cabrio, E450 Cabrio 4MATIC, E450 Coupe, E450 Coupe 4MATIC, E450 4MATIC, E53 AMG Cabrio 4MATIC, GLC300 Coupe 4MATIC, GLC300, GLC300 4MATIC, GLC63 AMG Coupe 4MATIC, AMG GT63 4-Door 4MATIC, and AMG GT63S 4-Door 4MATIC vehicles. An electrical circuit inside the Emergency Call System (eCall) communication module may be damaged, potentially relaying an inaccurate vehicle location.

Safety risk

An inaccurate vehicle location may delay emergency responders, increasing the risk of injury.

Manufacturer remedy

MBUSA will notify owners, and dealers will replace the communication module, free of charge. The recall began April 14, 2020. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2020030016.

Owner complaints

A complaint is one person's report to a federal agency. It is not a finding.

ComponentComplaintsMedian mileage
Engine13100,000 mi
Unknown or other61,000 mi
Electrical system56,000 mi
Power train5
Fuel/propulsion system487,000 mi
Structure: body: trunk lid4
Air bags3
Forward collision avoidance: automatic emergency braking3
Steering3
Tires: tread/belt3
Vehicle speed control3100,000 mi
Visibility: sun/moon roof assembly334,000 mi
Back over prevention23,000 mi
Forward collision avoidance: warnings2
Service brakes2
Structure228,722 mi
Visibility228,722 mi
Lane departure: assist11,000 mi
Lane departure: warning11,000 mi
Latches/locks/linkages: doors: latch1108,000 mi
Latches/locks/linkages: trunk lid: latch1
Structure: body1

The 2019 model has about half as many complaints as this one. The 2021 model has 3 times as many complaints as this one. These figures reflect raw complaint counts, not failure rates. Higher-selling model years naturally receive more complaints.

Safety recall repairs are provided free of charge by franchised dealers, regardless of vehicle age or mileage. This page displays aggregated data for the model year. To check recall status for a specific vehicle, search its VIN at nhtsa.gov.