2017 MERCEDES BENZ GLC300 — Owner-Reported Problems

NHTSA Office of Defects Investigation Snapshot 2026-08-22 96 complaints · 12 recalls

Verdict & Safety Summary

Most-reported system: ENGINE (29 complaints · 30.2%)
Safety signals:
  • Crashes 3
  • Fires 2
  • Injuries 2
  • Deaths 0
NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Component Problem Distribution

Share of owner complaints filed for each vehicle system (unaffected by sales volume)

Component Problem Distribution ENGINE appears in 29 of 96 owner complaints (30.2%) in this vehicle snapshot. ENGINE: 29 complaints, 30.2% of reports ENGINE 29 · 30.2% · 2 fire reports FUEL SYSTEM: 14 complaints, 14.6% of reports FUEL SYSTEM 14 · 14.6% VISIBILITY: 6 complaints, 6.3% of reports VISIBILITY 6 · 6.3% POWER TRAIN: 5 complaints, 5.2% of reports POWER TRAIN 5 · 5.2% SEAT BELTS: 5 complaints, 5.2% of reports SEAT BELTS 5 · 5.2% AIR BAGS: 4 complaints, 4.2% of reports AIR BAGS 4 · 4.2% FORWARD COLLISION AVOIDANCE: 4 complaints, 4.2% of reports FORWARD COLLISION AVOIDANCE 4 · 4.2% · 1 crash reports STEERING: 4 complaints, 4.2% of reports STEERING 4 · 4.2% · 1 crash reports ELECTRICAL SYSTEM: 3 complaints, 3.1% of reports ELECTRICAL SYSTEM 3 · 3.1% UNKNOWN OR OTHER: 28 complaints, 29.2% of reports UNKNOWN OR OTHER 28 · 29.2% · 1 crash reports 0% 25% 50% 75% 100%

UNKNOWN OR OTHER is an NHTSA classification artifact and is always listed last.

View component data as a table
System / Component Complaints Share of Reports Safety Reports (Crashes / Fires)
ENGINE 29 30.2% 0 crashes · 2 fires
FUEL SYSTEM 14 14.6% 0 crashes · 0 fires
VISIBILITY 6 6.3% 0 crashes · 0 fires
POWER TRAIN 5 5.2% 0 crashes · 0 fires
SEAT BELTS 5 5.2% 0 crashes · 0 fires
AIR BAGS 4 4.2% 0 crashes · 0 fires
FORWARD COLLISION AVOIDANCE 4 4.2% 1 crashes · 0 fires
STEERING 4 4.2% 1 crashes · 0 fires
ELECTRICAL SYSTEM 3 3.1% 0 crashes · 0 fires
UNKNOWN OR OTHER 28 29.2% 1 crashes · 0 fires
NHTSA Consumer Complaints, NHTSA Safety Recalls, and NHTSA Defect Investigations Snapshot 2026-08-22 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Problem & Recall Timeline

Observed complaint volume and manufacturer recall actions over time

Problem & Recall Timeline Owner reports in this snapshot begin in Jan 2017; the first recall shown was reported in Feb 2017. 2017-Q1: 1 owner reports 1 2017-Q2: 3 owner reports 3 2017-Q3: 4 owner reports 4 2017-Q4: 4 owner reports 4 2018-Q1: 6 owner reports 6 2018-Q2: 1 owner reports 1 2018-Q3: 1 owner reports 1 2018-Q4: 3 owner reports 3 2020-Q2: 1 owner reports 1 2020-Q3: 1 owner reports 1 2021-Q1: 2 owner reports 2 2021-Q2: 4 owner reports 4 2021-Q3: 1 owner reports 1 2021-Q4: 1 owner reports 1 2022-Q1: 3 owner reports 3 2022-Q2: 7 owner reports 7 2022-Q3: 5 owner reports 5 2022-Q4: 5 owner reports 5 2023-Q1: 3 owner reports 3 2023-Q2: 5 owner reports 5 2023-Q3: 5 owner reports 5 2023-Q4: 2 owner reports 2 2024-Q1: 7 owner reports 7 2024-Q2: 3 owner reports 3 2024-Q4: 3 owner reports 3 2025-Q1: 3 owner reports 3 2025-Q2: 7 owner reports 7 2025-Q3: 1 owner reports 1 2025-Q4: 1 owner reports 1 2026-Q1: 3 owner reports 3 Owner reports Jan 2017 Jan 2026 Recall campaign 17V114000 ◆ Recall campaign 17V114000 Recall campaign 17V251000 ◆ Recall campaign 17V251000 Recall campaign 17V574000 ◆ Recall campaign 17V574000 Recall campaign 17V627000 ◆ Recall campaign 17V627000 Recall campaign 17V715000 ◆ Recall campaign 17V715000 Recall campaign 17V819000 ◆ Recall campaign 17V819000 Recall campaign 18V177000 ◆ Recall campaign 18V177000 Recall campaign 18V683000 ◆ Recall campaign 18V683000 Recall campaign 21V058000 ◆ Recall campaign 21V058000 Recall campaign 21V072000 ◆ Recall campaign 21V072000 Recall campaign 21V197000 ◆ Recall campaign 21V197000 Recall campaign 23V854000 ◆ Recall campaign 23V854000 Investigation PE21001 ● Investigation PE21001 Investigation EA21002 ● Investigation EA21002
  • Campaign 21V058000 was reported 1,208 days after the first earlier complaint mapped to its component.
  • Campaign 21V197000 was reported 1,137 days after the first earlier complaint mapped to its component.
  • Campaign 23V854000 was reported 2,138 days after the first earlier complaint mapped to its component.
View timeline records as a table
Date Record type Count Record identifier
2017-Q1 Owner reports 1
2017-Q2 Owner reports 3
2017-Q3 Owner reports 4
2017-Q4 Owner reports 4
2018-Q1 Owner reports 6
2018-Q2 Owner reports 1
2018-Q3 Owner reports 1
2018-Q4 Owner reports 3
2020-Q2 Owner reports 1
2020-Q3 Owner reports 1
2021-Q1 Owner reports 2
2021-Q2 Owner reports 4
2021-Q3 Owner reports 1
2021-Q4 Owner reports 1
2022-Q1 Owner reports 3
2022-Q2 Owner reports 7
2022-Q3 Owner reports 5
2022-Q4 Owner reports 5
2023-Q1 Owner reports 3
2023-Q2 Owner reports 5
2023-Q3 Owner reports 5
2023-Q4 Owner reports 2
2024-Q1 Owner reports 7
2024-Q2 Owner reports 3
2024-Q4 Owner reports 3
2025-Q1 Owner reports 3
2025-Q2 Owner reports 7
2025-Q3 Owner reports 1
2025-Q4 Owner reports 1
2026-Q1 Owner reports 3
Recall campaign 1 17V114000
Recall campaign 1 17V251000
Recall campaign 1 17V574000
Recall campaign 1 17V627000
Recall campaign 1 17V715000
Recall campaign 1 17V819000
Recall campaign 1 18V177000
Recall campaign 1 18V683000
Recall campaign 1 21V058000
Recall campaign 1 21V072000
Recall campaign 1 21V197000
Recall campaign 1 23V854000
Defect investigation 1 PE21001
Defect investigation 1 EA21002
NHTSA Safety Recalls Snapshot 2026-08-22 Open source record Read our complete data methodology →

Safety Recalls (12)

Official safety recall campaigns filed with NHTSA

  1. Manufacturer action

    Recall campaign 17V114000

    Report date
    Component:
    ELECTRICAL SYSTEM
    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.
    View authoritative NHTSA record →
  2. Manufacturer action

    Recall campaign 17V251000

    Report date
    Component:
    SEAT BELTS
    Consequence:
    If the front seat seatbelt pretensioners do not function properly, the seat occupants may not be adequately restrained in the event of a crash, increasing the risk of injury.
    Remedy:
    MBUSA will notify owners, and dealers will replace the front seat belts, free of charge. The recall began October 13, 2017. Owners may contact MBUSA customer service at 1-800-367-6372.
    View authoritative NHTSA record →
  3. Manufacturer action

    Recall campaign 17V574000

    Report date
    Component:
    STEERING
    Consequence:
    The improperly welded pins may lose contact, deactivating the power steering assist and increasing the risk of a crash.
    Remedy:
    MBUSA will notify owners, and dealers will replace the electric power steering rack, free of charge. The recall is expected to begin November 10, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.
    View authoritative NHTSA record →
  4. Manufacturer action

    Recall campaign 17V627000

    Report date
    Component:
    AIR BAGS
    Consequence:
    If the driver air bag inadvertently deploys, it can increase the risk of injury and a crash.
    Remedy:
    MBUSA will notify owners, and dealers will add sufficient grounding to the steering components, free of charge. The recall began in December 6, 2017. Owners may contact MBUSA customer service at 1-877-496-3691.
    View authoritative NHTSA record →
  5. Manufacturer action

    Recall campaign 17V715000

    Report date
    Component:
    VISIBILITY
    Consequence:
    If the sun roof panels detach from the vehicle, it can increase the risk of a crash or injury for following traffic.
    Remedy:
    MBUSA will notify owners, and dealers will inspect the bonding on the sun roof panels, correcting it as necessary, free of charge. The recall is expected to begin December 2017. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2017110009.
    View authoritative NHTSA record →
  6. Manufacturer action

    Recall campaign 17V819000

    Report date
    Component:
    EXTERIOR LIGHTING
    Consequence:
    An insufficiently illuminated roadway may increase the risk of a crash.
    Remedy:
    MBUSA will notify owners, and dealers will inspect the headlamp adjustment, adjusting it as necessary, free of charge. The recall began on January 12, 2018. Owners may contact MBUSA customer service at 1-877-496-3691.
    View authoritative NHTSA record →
  7. Manufacturer action

    Recall campaign 18V177000

    Report date
    Component:
    SEAT BELTS
    Consequence:
    If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
    Remedy:
    MBUSA will notify owners, and dealers will install a buffer to the c-pillar paneling, free of charge. The recall is expected to begin May 14, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018030012.
    View authoritative NHTSA record →
  8. Manufacturer action

    Recall campaign 18V683000

    Report date
    Component:
    SEAT BELTS
    Consequence:
    If the rear seat passengers cannot fasten their seat belts, they have an increased risk of injury in the event of a crash.
    Remedy:
    MBUSA will notify owners, and dealers will install felt strips between the C-pillar and rear side paneling, free of charge. The recall began November 2, 2018. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2018100002.
    View authoritative NHTSA record →
  9. Manufacturer action

    Recall campaign 21V058000

    Report date
    Component:
    COMMUNICATION
    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.
    View authoritative NHTSA record →
  10. Manufacturer action

    Recall campaign 21V072000

    Report date
    Component:
    Not available in the source record
    Consequence:
    A disabled eCall system would prevent a vehicle occupant from contacting emergency services through the call center in an emergency, potentially delaying emergency responders and increasing the risk of injury.
    Remedy:
    MBUSA will notify owners, and dealers will inspect the communication module and activate it, if necessary, free of charge. The recall began March 31, 2021. Letters for the owners of the 9 additional vehicles were mailed July 9, 2021. Owners may contact MBUSA customer service at 1-800-367-6372. MBUSA's number for this recall is 2021030005.
    View authoritative NHTSA record →
  11. Manufacturer action

    Recall campaign 21V197000

    Report date
    Component:
    STRUCTURE
    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 service at 1-800-367-6372.
    View authoritative NHTSA record →
  12. Manufacturer action

    Recall campaign 23V854000

    Report date
    Component:
    STRUCTURE
    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 21V-197.
    View authoritative NHTSA record →
NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Complaint Narrative Explorer

Verbatim owner-reported defect narratives from NHTSA public records

Data: NHTSA Office of Defects Investigation · snapshot 2026-08-21
Safety incident filters
Showing 0 of 96 complaints · page 1 of 4

No complaints match the current filters.

EPA Fuel Economy Database Snapshot 2026-08-21 Open source record Read our complete data methodology →

Estimated Ownership Cost

EPA fuel economy ratings and annual operating cost estimates

Data: US EPA Fuel Economy Guide · snapshot 2026-08-21
Supported range: 1,000–60,000 miles per year
Supported range: $1.50–$10.00 per gallon
55% city45% highway
Estimate unavailable

EPA fuel-economy data is unavailable for this vehicle.

No estimate is shown when required EPA values are unavailable.

Open Ownership Cost Calculator →

Adjacent Model Years

Immediate preceding and succeeding model year records

NHTSA Consumer Complaints Snapshot 2026-08-21 Open source record Read our complete data methodology →

Complaint counts reflect self-selected reports and are not normalised for production sales volume. We publish no reliability scores, superlatives, or vehicle rankings.

Methodology & Data Integrity

Data sourced from NHTSA Office of Defects Investigation. Snapshot date: 2026-08-21.

Read our complete data methodology → Sources