BestCarRank
Mercedes-Benz

2024 Mercedes-Benz GLC 300 4MATIC

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2024 Mercedes-Benz GLC 300 4MATIC has 9 owner complaints filed with NHTSA — that's 0.1x the segment average of 80. The most common issue is driver assist/cameras problems (44% of all complaints), specifically: while carrying my carbon fiber bicycle on a rear hitch mounted bicycle carrier, the vehicle severely and violently applies the brakes and swerves either left or right or both. this catastrophic maneuver has put me and other drivers in a non avoidable highly calamity. this “auto” maneuver happens d.

3 injuries

9

Total Complaints

0

Recalls Issued

/5

Safety Stars

0.1x

vs Segment Avg

Known Problems

DRIVER ASSIST/CAMERAS

4 complaints
44%
  • While carrying my carbon fiber bicycle on a rear hitch mounted bicycle carrier, the vehicle severely and violently applies the brakes and swerves either left or right or both. This catastrophic maneuver has put me and other drivers in a non avoidable highly calamity. This “AUTO” maneuver happens d
  • New car was purchased from Rocklin Mercedes in California. Soon after the rear back up camera kept opening and closing when the car was in drive and at random times. The was then taken into Autobahn Motors in Belmont California to have the problem checked. I was told Mercedes was working on a softw
  • The contact owns a 2024 Mercedes-Benz GLC 300. The contact stated that while driving at approximately 35 MPH, the brake was applied unexpectedly without the contact depressing the brake pedal. The contact stated that she was unsure if the forward collision system was turned on at that time. The driv
Typical onset: 50K miles Est. repair: $500

While carrying my carbon fiber bicycle on a rear hitch mounted bicycle carrier, the vehicle severely and violently applies the brakes and swerves either left or right or both. This catastrophic maneuver has put me and other drivers in a non avoidable highly calamity. This “AUTO” maneuver happens d

— NHTSA complaint filing

BODY/STRUCTURE

2 complaints
22%
  • The contact owns a 2024 Mercedes-Benz GLC 300. The contact stated that while driving at approximately 35 MPH, the brake was applied unexpectedly without the contact depressing the brake pedal. The contact stated that she was unsure if the forward collision system was turned on at that time. The driv
  • My 2024 Mercedes-Benz GLC 300 has experienced multiple serious safety-related malfunctions involving several vehicle systems. In August, after picking up the vehicle from service, I placed my [XXX] grandson in his car seat, set my purse with the key inside the vehicle, and closed the rear door. Th
Typical onset: 50K miles Est. repair: $500

The contact owns a 2024 Mercedes-Benz GLC 300. The contact stated that while driving at approximately 35 MPH, the brake was applied unexpectedly without the contact depressing the brake pedal. The contact stated that she was unsure if the forward collision system was turned on at that time. The driv

— NHTSA complaint filing

ELECTRICAL

1 complaints
11%
  • The contact owns a 2024 Mercedes-Benz GLC 300. The contact stated that while driving at approximately 35 MPH, the brake was applied unexpectedly without the contact depressing the brake pedal. The contact stated that she was unsure if the forward collision system was turned on at that time. The driv
Typical onset: 50K miles Est. repair: $500

The contact owns a 2024 Mercedes-Benz GLC 300. The contact stated that while driving at approximately 35 MPH, the brake was applied unexpectedly without the contact depressing the brake pedal. The contact stated that she was unsure if the forward collision system was turned on at that time. The driv

— NHTSA complaint filing

VISIBILITY

1 complaints
11%
  • My 2024 Mercedes-Benz GLC 300 has experienced multiple serious safety-related malfunctions involving several vehicle systems. In August, after picking up the vehicle from service, I placed my [XXX] grandson in his car seat, set my purse with the key inside the vehicle, and closed the rear door. Th
Typical onset: 50K miles Est. repair: $500

My 2024 Mercedes-Benz GLC 300 has experienced multiple serious safety-related malfunctions involving several vehicle systems. In August, after picking up the vehicle from service, I placed my [XXX] grandson in his car seat, set my purse with the key inside the vehicle, and closed the rear door. Th

— NHTSA complaint filing

ENGINE

1 complaints
11%
  • Check engine light (MIL) came on while driving and vehicle lost power. Would not accelerate. Had it towed to Mercedes Benz of Mrytle Beach. $8000 repair. Mercedes Corp would not help. This is a copy of a TSB (LI05.20-P-080257) for this issue: Complaint engine vibrations perceived at low rpm.
Typical onset: 50K miles Est. repair: $500

Check engine light (MIL) came on while driving and vehicle lost power. Would not accelerate. Had it towed to Mercedes Benz of Mrytle Beach. $8000 repair. Mercedes Corp would not help. This is a copy of a TSB (LI05.20-P-080257) for this issue: Complaint engine vibrations perceived at low rpm.

— NHTSA complaint filing

Estimated Repair Costs

DRIVER ASSIST/CAMERAS(~50K mi)
$500
BODY/STRUCTURE(~50K mi)
$500
ELECTRICAL(~50K mi)
$500
VISIBILITY(~50K mi)
$500
ENGINE(~50K mi)
$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 9 owner complaints for this specific year, here's what to check or ask about:

  • DRIVER ASSIST/CAMERAS: While carrying my carbon fiber bicycle on a rear hitch mounted bicycle carrier, the vehicle severely and violently applies the brakes and swerves either left or right or both. This catastrophic maneuver has put me and other drivers in a non avoidable highly calamity. This “AUTO” maneuver happens d

    Typically appears around 50K miles. Repair cost ~$500

  • BODY/STRUCTURE: The contact owns a 2024 Mercedes-Benz GLC 300. The contact stated that while driving at approximately 35 MPH, the brake was applied unexpectedly without the contact depressing the brake pedal. The contact stated that she was unsure if the forward collision system was turned on at that time. The driv

    Typically appears around 50K miles. Repair cost ~$500

  • ELECTRICAL: The contact owns a 2024 Mercedes-Benz GLC 300. The contact stated that while driving at approximately 35 MPH, the brake was applied unexpectedly without the contact depressing the brake pedal. The contact stated that she was unsure if the forward collision system was turned on at that time. The driv

    Typically appears around 50K miles. Repair cost ~$500

  • VISIBILITY: My 2024 Mercedes-Benz GLC 300 has experienced multiple serious safety-related malfunctions involving several vehicle systems. In August, after picking up the vehicle from service, I placed my [XXX] grandson in his car seat, set my purse with the key inside the vehicle, and closed the rear door. Th

    Typically appears around 50K miles. Repair cost ~$500

  • General: Get a pre-purchase inspection from an independent mechanic ($100-$200)

Mercedes-Benz GLC 300 4MATIC — Year Comparison

How does 2024 compare to other years? Fewer complaints = more reliable.

Full years-to-avoid analysis →

NHTSA Safety Rating

No NHTSA safety rating available

At a Glance

Complaints
9
Recalls
0
Fire reports
0
Crash reports
0
Injury reports
3
Segment avg
80

Check a Specific VIN

See recalls for YOUR 2024 Mercedes-Benz GLC 300 4MATIC