2024 Mercedes-Benz GLC 300
Problems, Recalls & Reliability Report
Quick Summary
The 2024 Mercedes-Benz GLC 300 has 33 owner complaints filed with NHTSA — that's 0.4x the segment average of 84. The most common issue is engine problems (21% of all complaints), specifically: 2 seperate issue digital lighting failed, then 2nd issue which is still being worked on, been a week without the vehicle which is only a month old with 1100 miles on it, the entite system isnt working with lots of code error messages and will not start. the current update from mercedes is they start. There are 6 recalls issued for this model year.
33
Total Complaints
6
Recalls Issued
—/5
Safety Stars
0.4x
vs Segment Avg
Known Problems(top 5 of 8)
ENGINE
7 complaints- • 2 SEPERATE ISSUE DIGITAL LIGHTING FAILED, THEN 2ND ISSUE WHICH IS STILL BEING WORKED ON, BEEN A WEEK WITHOUT THE VEHICLE WHICH IS ONLY A MONTH OLD WITH 1100 MILES ON IT, THE ENTITE SYSTEM ISNT WORKING WITH LOTS OF CODE ERROR MESSAGES AND WILL NOT START. THE CURRENT UPDATE FROM MERCEDES IS THEY START
- • Brand new 2024 GLC300 4MATIC with less than 750 miles. Check Engine light came on with no error message explanation. Brought it in to dealer for service - Found fault code POA7F00. Dealer followed LI54.10-P-077250. Cleared codes. Check engine light is still on with no resolution to problem at this
- • Check engine light appears, also a blue engine and a turtle. The dealer is aware, they have had it 3times for the same issue and this time 23 days and counting. Currently Mercedes has no fix. I purchased the veh 30 Nov 23- first appeared 16 dec and continued going on and off.
“2 SEPERATE ISSUE DIGITAL LIGHTING FAILED, THEN 2ND ISSUE WHICH IS STILL BEING WORKED ON, BEEN A WEEK WITHOUT THE VEHICLE WHICH IS ONLY A MONTH OLD WITH 1100 MILES ON IT, THE ENTITE SYSTEM ISNT WORKING WITH LOTS OF CODE ERROR MESSAGES AND WILL NOT START. THE CURRENT UPDATE FROM MERCEDES IS THEY START”
— NHTSA complaint filing
Recalls (6)
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2024 GLC 300 and AMG GLC 43 vehicles. The integral carrier that supports the engine may fail due to improper welds, which can cause a loss of vehicle control.
Risk: A loss of vehicle control increases the risk of a crash.
Fix: Dealers will replace the integral carrier, free of charge. Owner notification letters were mailed October 11, 2024. Owners may contact MBUSA customer service at 1-877-496-3691. MBUSA's number for this recall is 2024090013.
Fuel Cost Calculator for 2024 Mercedes-Benz GLC 300
Live EIA pricesBased on EPA fuel-economy ratings and EIA weekly retail prices (2026-07-20). Real-world cost varies with driving style, trim/engine, terrain, and traffic.
5-Year Gas Price History
EIA weekly retail data · 2021 → todaySource: US Energy Information Administration weekly retail gasoline prices.
Estimated Insurance Cost for 2024 Mercedes-Benz GLC 300
How this estimate is calculated
Coverage assumed: 100/300/100 liability + comprehensive/collision, $500 deductibles. Data sources: NAIC 2024 + HLDI loss studies.
Maintenance & Warranty
Recommended Mercedes-Benz GLC 300 Service Intervals
Service A / Service B alternating schedule. Requires MB-approved oil (229.5 spec typically).
"Severe service" conditions (heavy towing, extreme temps, city stop-and-go) typically halve these intervals. Always consult your vehicle's owner's manual for the authoritative schedule.
Mercedes-Benz New-Vehicle Warranty Coverage
EQ EV battery warranty is 10 years/155,000 miles
Estimated Repair Costs
Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.
🔍 Pre-Purchase Inspection Checklist
Based on 33 owner complaints for this specific year, here's what to check or ask about:
- ☐ENGINE: 2 SEPERATE ISSUE DIGITAL LIGHTING FAILED, THEN 2ND ISSUE WHICH IS STILL BEING WORKED ON, BEEN A WEEK WITHOUT THE VEHICLE WHICH IS ONLY A MONTH OLD WITH 1100 MILES ON IT, THE ENTITE SYSTEM ISNT WORKING WITH LOTS OF CODE ERROR MESSAGES AND WILL NOT START. THE CURRENT UPDATE FROM MERCEDES IS THEY START
Typically appears around 50K miles. Repair cost ~$500
- ☐ELECTRICAL: 2 SEPERATE ISSUE DIGITAL LIGHTING FAILED, THEN 2ND ISSUE WHICH IS STILL BEING WORKED ON, BEEN A WEEK WITHOUT THE VEHICLE WHICH IS ONLY A MONTH OLD WITH 1100 MILES ON IT, THE ENTITE SYSTEM ISNT WORKING WITH LOTS OF CODE ERROR MESSAGES AND WILL NOT START. THE CURRENT UPDATE FROM MERCEDES IS THEY START
Typically appears around 50K miles. Repair cost ~$500
- ☐TRANSMISSION: Brand new '24 GLC300 4MATIC. Engine light came on with no error message. Brought it in for service. Miscellaneous engine repair states: "Found current code POA7F00 in drivetrain control unit. Followed LI54.10-P-077250. Cleared codes. Drained 48V battery to below 25% SOC. Charged vehicle to 7
Typically appears around 50K miles. Repair cost ~$500
- ☐BRAKES: After giving a pressure to the brakes, the car feels like the brakes are being slipped towards the end, so I have to hold the brakes hard at the end. I have tried different models of Mercedes such as E class but the brake of E class works exactly opposite from GLC 300. When I give a pressure to E cl
Typically appears around 50K miles. Repair cost ~$500
- ☐RECALLS: Verify all 6 recalls have been completed — free at any Mercedes-Benz dealer
- ☐General: Get a pre-purchase inspection from an independent mechanic ($100-$200)
Mercedes-Benz GLC 300 — Year Comparison
How does 2024 compare to other years? Fewer complaints = more reliable.
NHTSA Safety Rating
No NHTSA safety rating available
At a Glance
- Complaints
- 33
- Recalls
- 6
- Fire reports
- 0
- Crash reports
- 1
- Injury reports
- 2
- Segment avg
- 84
Check a Specific VIN
See recalls for YOUR 2024 Mercedes-Benz GLC 300