2018 Mercedes-Benz GLC 350 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
2 owner complaints analyzed
1 distinct recall campaigns
Not available median reported failure mileage
Scope: 2018 model year. Data snapshot: . 0 complaints include usable failure mileage.
This selection has limited data. It remains available for lookup but is excluded from search indexing.
Most common problems
Engine is the most frequently named component, appearing in 1 of 2 complaints (50.0%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 1 | 50.0% |
| Fuel system concerns | 1 | 50.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 1 |
| Fuel/Propulsion System | 1 |
Engine: 1; Fuel/Propulsion System: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 0 |
| 25,000 to 49,999 | 0 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 0 |
| 100,000 to 149,999 | 0 |
| 150,000 and above | 0 |
Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 0
No usable failure mileage is recorded. 2 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2023 | 1 |
| 2024 | 1 |
2023: 1; 2024: 1
Pattern summary
Engine leads the component reports. Electrical and battery issues appears in 1 complaint narratives. Fuel system concerns appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11562425 · 2023-12-28 (December 28, 2023)
There is a problem with the fuel pressure sensor or wiring to the fuel pump control unit. This causes the fuel bay door to malfunction, meaning sometimes it won't open and sometimes it opens on its own. Today, my local Mercedes dealer (Mercedes of Seattle) quoted $5081.00 to repair this. See attached electronic quote that I rejected and then it disappeared but I saved a screenshot of it. The car has less than 20,000 miles on it. This issue first appeared about a year ago, indicated by a solid yellow warning light (vehicle icon) on the dash…
Owner-reported narrative. Look up ODI 11562425 at NHTSA ↗