Mercedes-Benz A-Class Common Faults

30
Fault Reports
25
Solved
10
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 A-Class Data Score

Reliability Score
72/100
Good
Resolution Rate
83%
25 of 30 confirmed fixed
Risk Level
Low
0 serious/critical cases
Maintenance Complexity
High
9 systems affected

📐 The MyCarFault Score blends this model's resolution rate (% of reports with a confirmed fix) and severity mix of its 30 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 A-Class, based on all 30 cases on this page.

Engine
8 (27%)
Suspension
6 (20%)
Other
5 (17%)
Transmission
4 (13%)
Electrical
2 (7%)
Exhaust
2 (7%)
Fuel System
1 (3%)
Brakes
1 (3%)
Body/Interior
1 (3%)

🛠️ High maintenance complexity — issues span 9 different systems, with an average reported repair cost of $1,041. Models touching fewer systems are generally simpler and cheaper to keep on top of.

⚡ Quick Summary
Fault Reports
30
25 with confirmed fix
Est. Repair Cost
$1,041
avg · $375–$2075 range
Fix Rate
83%
of reported faults solved

Based on 30 driver-submitted reports, common Mercedes-Benz A-Class faults include Mercedes-Benz A-Class 2021 Transmission slipping between gears, Mercedes-Benz A-Class 2019 Alternator warning light battery not charging, Mercedes-Benz A-Class 2014 Car wont start clicking sound, Mercedes-Benz A-Class 2017 Engine overheating temperature gauge high and Mercedes-Benz A-Class 2014 CVT transmission shudder and jerking. 25 of these have a confirmed driver-verified fix.

📋 Mercedes-Benz A-Class Overview

The Mercedes-Benz A-Class has 30 owner-reported faults recorded on MyCarFault. Documented issues include Mercedes-Benz A-Class 2021 Transmission slipping between gears, Mercedes-Benz A-Class 2019 Alternator warning light battery not charging, Mercedes-Benz A-Class 2014 Car wont start clicking sound, Mercedes-Benz A-Class 2017 Engine overheating temperature gauge high, and Mercedes-Benz A-Class 2014 CVT transmission shudder and jerking.

83% 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 $1,041 USD. Costs vary by fault type, garage type, and parts availability in your region.

Long-term Mercedes-Benz A-Class 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
30
Verified Fixes
25
Est. Repair Cost
$1,041
Most Common Issue
Mercedes-Benz A-Class 2021 Transmission …
Owner Confidence
High

💰 Repair Cost Insight

Based on 30 owner-reported Mercedes-Benz A-Class fault cases where cost data was provided:

Average Cost
$1,041
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 A-Class?

Reports on File
30
Resolution Rate
83%
Most-Affected System
Engine
Risk Level
Low

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

The Mercedes-Benz A-Class 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 A-Class 2021 Transmission slipping between gears". 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 A-Class

YEAR: All 2022 2021 2019 2018 2017 2016 2015 2014 2013 2012

🔧 Reported Faults


🟢
Mercedes-Benz A-Class 2021 Transmission slipping between gears
2021
1 fix
👁 2,112
🟢
Mercedes-Benz A-Class 2019 Alternator warning light battery not charging
2019
1 fix
👁 1,714
🟢
Mercedes-Benz A-Class 2014 Car wont start clicking sound
2014
1 fix
👁 1,597
🟢
Mercedes-Benz A-Class 2017 Engine overheating temperature gauge high
2017
1 fix
👁 1,522
🟢
Mercedes-Benz A-Class 2014 CVT transmission shudder and jerking
2014 💰 $150–$4000 USD
1 fix
👁 1,518
🟢
Mercedes-Benz A-Class 2019 Car wont start clicking sound
2019
1 fix
👁 1,313
🟢
Mercedes A-Class 2016 7G-DCT shudder
2016
1 fix
👁 1,213
🟢
Mercedes-Benz A-Class 2015 Car wont start clicking sound
2015
1 fix
👁 1,192
🟢
Mercedes-Benz A-Class 2017 P0300 random misfire rough idle
P0300 2017
1 fix
👁 1,186
🟢
Mercedes-Benz A-Class 2017 Battery draining overnight parasitic drain
2017
1 fix
👁 1,078
🟢
Mercedes-Benz A-Class 2015 Coolant leak from engine area
2015
1 fix
👁 1,000
🟢
Mercedes-Benz A-Class 2015 Power steering heavy and whining
2015
1 fix
👁 899
🟢
Mercedes-Benz A-Class 2021 Exhaust rattle noise from underneath
2021
1 fix
👁 881
🟢
Mercedes-Benz A-Class 2014 Fuel economy dropped poor MPG
2014
1 fix
👁 714
🟢
Mercedes-Benz A-Class 2015 Transmission slipping between gears
2015
1 fix
👁 657
🟢
Mercedes-Benz A-Class 2022 Wheel bearing humming noise while driving
2022
1 fix
👁 637
🟢
Mercedes-Benz A-Class 2021 Car wont start clicking sound
2021
1 fix
👁 574
🟢
Mercedes-Benz A-Class 2019 Exhaust rattle noise from underneath
2019
1 fix
👁 522
🟢
Mercedes-Benz A-Class 2022 P0300 random misfire rough idle
P0300 2022
1 fix
👁 519
🟢
Mercedes-Benz A-Class 2022 Power steering heavy and whining
2022
1 fix
👁 452
🟢
Mercedes-Benz A-Class 2022 Front suspension clunking over bumps
2022 💰 $150–$1200 USD
1 fix
👁 432
🟢
Mercedes-Benz A-Class 2017 Brake pads worn squealing noise
2017 💰 $150–$600 USD
1 fix
👁 412
🟢
Mercedes-Benz A-Class 2014 Coolant leak from engine area
2014
1 fix
👁 385
🟢
Mercedes-Benz A-Class 2019 Wheel bearing humming noise while driving
2019
1 fix
👁 385
🟢
Mercedes-Benz A-Class 2021 AC not blowing cold air compressor issue
2021
1 fix
👁 338
Mercedes W176 A-Class 2.0 Turbo AMG A45 Fuel Injector Fault
2013 Medium
👁 17
Mercedes W176 A180 1.6 Turbo Turbo Actuator Failure
2012 Medium
👁 15
Mercedes W176 A-Class 1.5 CDI OM607 Timing Chain Noise
2012 Medium
👁 14
Mercedes W177 A-Class Electric Power Steering Fault
2018 Medium
👁 13
Mercedes W177 A-Class MBUX Infotainment Freeze
2018 Low
👁 12

🚗 Drivers Also Viewed

Mercedes-Benz C-Class 29 faults → Mercedes-Benz Sprinter 27 faults → Mercedes-Benz E-Class 26 faults → Mercedes-Benz GLC 25 faults → Mercedes-Benz GLA 24 faults →

Own a Mercedes-Benz A-Class?

Share your fault or fix and help other owners save money.

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🩺 Common Symptoms
Car won't start — clicking sound only Automatic transmission slipping between gears P0300 — random misfire causing rough idle Coolant leak from engine area Power steering heavy and whining Exhaust rattle noise from underneath
🔢 Common OBD Codes
P0300
🔧
Usta
● Online