Mercedes-Benz GLC Common Faults

28
Fault Reports
25
Solved
6
Model Years
📖 How to Use This Page

Every figure below comes from owner-submitted fault reports for this exact model — not a manufacturer spec sheet. Jump to any section, or scroll through for the full picture before buying or diagnosing a problem.

📊 Data Score 📋 Overview 🔍 Reliability 🗂️ Problem Categories 💰 Repair Costs 💡 Buying Advice 🔧 Full Fault List ❓ FAQ

📊 Mercedes-Benz GLC Data Score

Reliability Score
75/100
Good
Resolution Rate
89%
25 of 28 confirmed fixed
Risk Level
Low
0 serious/critical cases
Maintenance Complexity
High
7 systems affected

📐 The MyCarFault Score blends this model's resolution rate (% of reports with a confirmed fix) and severity mix of its 28 reported cases. It reflects our database only, not a manufacturer or third-party rating.

📋 Most Reported Problems

🗂️ Problem Categories

Which vehicle systems generate the most reports for the Mercedes-Benz GLC, based on all 28 cases on this page.

Engine
7 (25%)
Electrical
6 (21%)
Other
5 (18%)
Transmission
3 (11%)
Suspension
3 (11%)
Exhaust
3 (11%)
Brakes
1 (4%)

🛠️ High maintenance complexity — issues span 7 different systems, with an average reported repair cost of $1,300. Models touching fewer systems are generally simpler and cheaper to keep on top of.

⚡ Quick Summary
Fault Reports
28
25 with confirmed fix
Est. Repair Cost
$1,300
avg · $375–$2075 range
Fix Rate
89%
of reported faults solved

Mercedes-Benz GLC owners have reported 28 fault cases on MyCarFault, including Mercedes-Benz GLC 2015 CVT transmission shudder and jerking, Mercedes-Benz GLC 2015 P0300 random misfire rough idle, Mercedes-Benz GLC 2018 Wheel bearing humming noise while driving, Mercedes-Benz GLC 2017 AC not blowing cold air compressor issue and Mercedes-Benz GLC 2021 ABS warning light on. 89% of reported issues have a confirmed fix.

📋 Mercedes-Benz GLC Overview

The Mercedes-Benz GLC has 28 owner-reported faults recorded on MyCarFault. Documented issues include Mercedes-Benz GLC 2015 CVT transmission shudder and jerking, Mercedes-Benz GLC 2015 P0300 random misfire rough idle, Mercedes-Benz GLC 2018 Wheel bearing humming noise while driving, Mercedes-Benz GLC 2017 AC not blowing cold air compressor issue, and Mercedes-Benz GLC 2021 ABS warning light on.

89% of reported issues have a confirmed driver-verified fix.

Estimated repair costs based on owner-reported data range from $375 to $2075, with an average of $1,300 USD. Costs vary by fault type, garage type, and parts availability in your region.

Long-term Mercedes-Benz GLC ownership appears manageable based on community data. A high proportion of reported faults have confirmed fixes, suggesting problems are diagnosable and repairable by informed owners and independent garages.

🔍 Reliability Snapshot

Fault Reports
28
Verified Fixes
25
Est. Repair Cost
$1,300
Most Common Issue
Mercedes-Benz GLC 2015 CVT transmission …
Owner Confidence
High

💰 Repair Cost Insight

Based on 28 owner-reported Mercedes-Benz GLC fault cases where cost data was provided:

Average Cost
$1,300
Lowest Estimate
$375
Highest Estimate
$2,075

Estimates are owner-reported and vary by region, garage type, and parts availability. Independent specialists typically charge 30–50% less than main dealers for the same repair.

💡 Should You Buy a Used Mercedes-Benz GLC?

Reports on File
28
Resolution Rate
89%
Most-Affected System
Engine
Risk Level
Low

Thinking about buying a used Mercedes-Benz GLC? Here is what our fault data suggests.

The Mercedes-Benz GLC has a significant number of community-reported faults. This does not necessarily mean the car is unreliable — high fault counts often reflect high ownership numbers. Focus on whether the known issues on this page have been addressed on the specific car you are viewing.

The most reported issue is "Mercedes-Benz GLC 2015 CVT transmission shudder and jerking". Ask the seller specifically about this before committing to a purchase, and have an independent mechanic check for it during a pre-purchase inspection.

An independent pre-purchase inspection (PPI) is strongly recommended regardless of the seller's assurances or the car's service history.

❓ Common Questions About the Mercedes-Benz GLC

YEAR: All 2021 2019 2018 2017 2016 2015

🔧 Reported Faults


🟢
Mercedes-Benz GLC 2015 CVT transmission shudder and jerking
2015 💰 $150–$4000 USD
1 fix
👁 1,912
🟢
Mercedes-Benz GLC 2015 P0300 random misfire rough idle
P0300 2015
1 fix
👁 1,820
🟢
Mercedes-Benz GLC 2018 Wheel bearing humming noise while driving
2018
1 fix
👁 1,631
🟢
Mercedes-Benz GLC 2017 AC not blowing cold air compressor issue
2017
1 fix
👁 1,628
🟢
Mercedes-Benz GLC 2021 ABS warning light on
2021
1 fix
👁 1,239
🟢
Mercedes-Benz GLC 2021 AC not blowing cold air compressor issue
2021
1 fix
👁 1,219
🟢
Mercedes-Benz GLC 2015 ABS warning light on
2015
1 fix
👁 1,202
🟢
Mercedes-Benz GLC 2016 Transmission slipping between gears
2016
1 fix
👁 1,189
🟢
Mercedes-Benz GLC 2019 Coolant leak from engine area
2019
1 fix
👁 1,177
🟢
Mercedes-Benz GLC 2017 Battery draining overnight parasitic drain
2017
1 fix
👁 1,139
🟢
Mercedes-Benz GLC 2019 Front suspension clunking over bumps
2019 💰 $150–$1200 USD
1 fix
👁 1,105
🟢
Mercedes-Benz GLC 2015 Engine overheating temperature gauge high
2015
1 fix
👁 1,055
🟢
Mercedes-Benz GLC 2017 Brake pads worn squealing noise
2017 💰 $150–$600 USD
1 fix
👁 994
🟢
Mercedes-Benz GLC 2016 Engine oil leak from valve cover
2016
1 fix
👁 965
🟢
Mercedes-Benz GLC 2019 P0300 random misfire rough idle
P0300 2019
1 fix
👁 919
🟢
Mercedes-Benz GLC 2021 CVT transmission shudder and jerking
2021 💰 $150–$4000 USD
1 fix
👁 877
🟢
Mercedes-Benz GLC 2016 Car wont start clicking sound
2016
1 fix
👁 869
🟢
Mercedes-Benz GLC 2021 Exhaust rattle noise from underneath
2021
1 fix
👁 773
🟢
Mercedes-Benz GLC 2018 AC not blowing cold air compressor issue
2018
1 fix
👁 704
🟢
Mercedes GLC 2017 PARKTRONIC parking sensor fault
2017
1 fix
👁 683
🟢
Mercedes-Benz GLC 2017 Exhaust rattle noise from underneath
2017
1 fix
👁 635
🟢
Mercedes-Benz GLC 2016 Coolant leak from engine area
2016
1 fix
👁 600
🟢
Mercedes-Benz GLC 2018 Exhaust rattle noise from underneath
2018
1 fix
👁 512
🟢
Mercedes-Benz GLC 2019 Check engine light P0171 lean mixture
P0171 2019
1 fix
👁 379
🟢
Mercedes-Benz GLC 2018 ABS warning light on
2018
1 fix
👁 341
Mercedes GLC 220d OM654 EGR Valve Fouling
2015 Medium
👁 10
Mercedes GLC 300e PHEV High Voltage Battery Warning
2016 Medium
👁 9
Mercedes GLC Air Suspension Compressor Failure
2015 High
👁 9

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Own a Mercedes-Benz GLC?

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🩺 Common Symptoms
AC not blowing cold air ABS warning light on Exhaust rattle noise from underneath CVT shudder at 35–45 mph P0300 — random misfire causing rough idle Coolant leak from engine area
🔢 Common OBD Codes
P0300 P0171
🔧
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