2016 Mercedes-Benz C450 Recalls

Recalls on record Updated July 2026

The 2016 Mercedes-Benz C450 has 5 NHTSA recall campaigns affecting an estimated 349,980 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 23 complaints with NHTSA, most often about the unknown or other. Last updated July 5, 2026.

Recall campaigns

STRUCTURE 23V854000 2023-12-15 2,976 affected
Defect

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…

Consequence

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

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…

STRUCTURE 21V197000 2021-03-19 15,096 affected
Defect

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,…

Consequence

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.

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…

COMMUNICATION 19V787000 2019-11-01 24,226 affected
Defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2013-2017 vehicles due to a software fault that may cause the date and time for the emergency call system (eCall) to differ from the actual date and time, potentially relaying an inaccurate vehicle location. For a full list of the affected models visit:…

Consequence

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

Remedy

MBUSA has initiated an Over the Air (OTA) remote update. MBUSA will also notify owners, and dealers will check software for a successful OTA or update the communication module software as needed, free of charge. The recall began December 23, 2019. Owners may contact MBUSA customer service at 1-800-367-6372. …

ELECTRICAL SYSTEM 17V114000 2017-02-23 307,629 affected
Defect

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2015-2017 C300 4Matic, C300, CLA250, CLA250 4Matic and CLA45 AMG vehicles, 2017 C300 4Matic Cabrio, C300 4Matic Coupe, C300 Cabrio, C300 Coupe, E300, E300 4Matic, E400 4Matic Wagon, E43 AMG 4Matic, GLA250, GLA250 4Matic and GLC300 4Matic Coupe vehicles and 2016…

Consequence

If the starting current limiter overheats, the surrounding components can melt, increasing the risk of a fire.

Remedy

MBUSA will notify owners, and dealers will install an additional fuse in the electrical line to the starter, free of charge. The recall began August 31, 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017080002.

VISIBILITY 16V087000 2016-02-16 53 affected
Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain model year 2016 C300 vehicles manufactured December 11, 2015, to December 23, 2015, C300 4Matic vehicles manufactured December 12, 2015, to December 29, 2015, and C450 AMG 4Matic vehicles manufactured December 12, 2015, to December 22, 2015. The affected vehicles…

Consequence

If the panoramic glass detaches during vehicle operation, it can increase the risk of injury or crash.

Remedy

MBUSA will notify owners, and dealers will inspect the bonding of the rear sunroof glass panel, replacing it as necessary, free of charge. The recall began on April 12, 2016. Owners may contact MBUSA customer service at 1-800-367-6372.

Complaints by component

UNKNOWN OR OTHER
5
WHEELS
5
ELECTRICAL SYSTEM
4
STRUCTURE:BODY
4
STEERING
2
POWER TRAIN
1
VISIBILITY:SUN/MOON ROOF ASSEMBLY
1
WHEELS:RIM
1
Total complaints23

What owners report

Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.

“Sudden fracture of the propeller shaft universal joint at freeway speeds causing catastrophic damage to the transmission and exhaust system. This matches the failure described in nhtsa recall 26v216. While driving on arizona freeway 202. Extreme clanking noise heard and lost all power in middle of…”

POWER TRAIN · reported 2026-04-23

“Just purchased this vehicle in utah, was driving from utah to idaho on the interstate at 80mph when all of a sudden my sunroof opened up with high winds and blew right off. Luckily nobody was behind me but i’ve been driving 2 hours without a sunroof due to weak glue/manufacturing defect”

VISIBILITY:SUN/MOON ROOF ASSEMBLY · reported 2025-04-10

“The sunroof locked open during a road trip. I am mechanically inclined, so adding lubricant and driving through a low pressure air front caused the sunroof to shut. Had I been in an emergency, not mechanically inclined, or if this happen during inclement weather or to a little old lady this would…”

ELECTRICAL SYSTEM · reported 2024-02-08

“Panoramic sunroof pillars/rails detaching while operating vehicle. 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. When operating the vehicle at a moderate speed, the sunroof continued to adjust…”

STRUCTURE:BODY · reported 2023-02-21

“When I go to put my car in reverse, or drive the gear control is malfunctioning and i’m afraid this can be deadly or cause serious injury.”

ELECTRICAL SYSTEM · reported 2022-04-20

“When I go to put my car in reverse, or drive the gear control is malfunctioning and i’m afraid this can be deadly or cause serious injury.”

STEERING · reported 2022-04-20

“When I go to put my car in reverse, or drive the gear control is malfunctioning and i’m afraid this can be deadly or cause serious injury.”

UNKNOWN OR OTHER · reported 2022-04-20

“The part attaching the sunroof to the rails comes off and could cause the sunroof to come detached.”

UNKNOWN OR OTHER · reported 2021-09-30

Defect investigations

Investigation EA21002 Opened 2021-09-17 · open

Desiccated Air Bag Inflator Rupture

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant…

Investigation EA21002 Opened 2021-09-17 · open

Desiccated Air Bag Inflator Rupture

From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant…

Investigation PE21001 Opened 2021-01-08 · closed 2021-10-14

Front Roof Panel Detachment

On January 8, 2021, after ongoing review with Mercedes Benz, the National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation (ODI) opened PE21-001 to assess allegations of front roof panel detachments while driving at highway speeds in certain 2015 Mercedes-Benz (Mercedes) C-Class…

Sources & methodology

Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 2016 Mercedes-Benz C450 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.