2017 Mercedes-Benz Slc300 Recalls

Recalls on record Updated July 2026

The 2017 Mercedes-Benz Slc300 has 2 NHTSA recall campaigns affecting an estimated 1,298,076 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 5 complaints with NHTSA, most often about the communication. Last updated July 5, 2026.

Recall campaigns

ELECTRICAL SYSTEM 21V058000 2021-02-05 1,292,258 affected
Defect

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…

Consequence

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

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.

ELECTRONIC STABILITY CONTROL (ESC) 17V308000 2017-05-09 5,818 affected
Defect

Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2015 SLK 250, 2016 SLK 350, 2016-2017 SLC 300, and 2017 SLC 43 AMG vehicles. In these vehicles, the electronic stability control (ESC) system software may incorrectly keep the brakes slightly applied.

Consequence

If brake pads are constantly applied over long periods of driving, the brake components may heat up, affecting braking performance and increasing the risk of a crash. Additionally, the dragging brakes may overheat, increasing the risk of a fire.

Remedy

MBUSA will notify owners, and dealers will update the software for the ESC system, free of charge. The recall began June 9, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.

Complaints by component

COMMUNICATION
1
ELECTRICAL SYSTEM
1
ENGINE
1
STRUCTURE:BODY:ROOF AND PILLARS
1
UNKNOWN OR OTHER
1
Total complaints5

What owners report

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

“The contact owns a 2017 mercedes-benz slc300. The contact stated that while driving at an undisclosed speed, there was a loud whistling sound coming from the upper panel of the roof. The vehicle was taken to an independent mechanic, where it was diagnosed and determined that the bonding of the…”

STRUCTURE:BODY:ROOF AND PILLARS · reported 2026-01-09

“On september 6, 2025 while driving approximately 70 mph, the front roof panel of my vehicle detached completely. This was not only a costly failure, but also an extremely dangerous incident that could easily have caused severe injuries or fatalities — either to myself, my passengers, or other…”

UNKNOWN OR OTHER · reported 2025-09-06

“Piston 1 broken at 76000 miles. Compleat engine failer”

ENGINE · reported 2024-05-06

“Tl* the contact owns a 2017 mercedes-benz slc300. The contact received notification of nhtsa campaign number: 21v058000 (communication, electrical system) however, the part to do the recall repair was not yet available. The vehicle was taken to mercedes-benz of hilton head (155 fording island rd,…”

COMMUNICATION · reported 2021-03-01

“Tl* the contact owns a 2017 mercedes-benz slc300. The contact received notification of nhtsa campaign number: 21v058000 (communication, electrical system) however, the part to do the recall repair was not yet available. The vehicle was taken to mercedes-benz of hilton head (155 fording island rd,…”

ELECTRICAL SYSTEM · reported 2021-03-01

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…

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 2017 Mercedes-Benz Slc300 as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.