2012 Mercedes-Benz Glk350: Reliability Data
When Do Complaints Happen?
Distribution of NHTSA complaints by vehicle mileage at time of report.
What Fails?
Most reported component issues from NHTSA complaints.
Severity Assessment
Sample Complaint Reports
"MY 2012 MERCEDES CLS 550 , WITH PIRELLI P ZERO TIRES,HAD A TIRE BLOWOUT JUNE "12. ANOTHER TIRE BLEW OUT IN MAR '13 ON THE MAR VISIT TO THE MERCEDES DEALER (SALISBURY MD), TWO MORE TIRES HAD BULGES, ALLEGEDLY FROM POTHOLES,AND HAD TO BE REPLACED. I WROTE PIRELLI OF THE PROBLEM WITH MY OBVIOUSLY DEFE..."
"LEFT DEALERSHIP AND ENTERED HIGHWAY AT MODERATE SPEED, WITHIN TWO MINUTES HEARD SOMETHING HIT THE ROOF OF THE VEHICLE. PULLED OVER TO INVESTIGATE AND SAW THAT THE TOP GASKET/SEAL (BLACK RUBBER) OF THE FRONT WINDSHIELD HAD COME OFF STARTING ON THE LEFT SIDE AND WAS DRAPED UP AND ON TOP OF THE ROOF O..."
"WE HAVE 2012 MERCEDES BENZ GLK350 BOUGHT FROM NANUET MERCEDES BENZ, NANUET, NY. ON MARCH 11 DRIVING ON RTE 306S AND HIT A POT HOLE COVERED WITH WATER AT ABOUT 20 MPH. THE HEAD REST SPLIT APART AND HIT MY NECK. IF I WERE DRIVING 40 OR MORE MILES PER HOUR THAT IMPACT WOULD HAVE BROKEN MY NECK EVEN COU..."
Source: NHTSA ODI Complaints Database. Names and identifying details omitted.
When Were Complaints Filed?
Number of complaints by the year the issue occurred.
When Does Each Component Fail?
Median mileage at complaint for top components.
Where Are Complaints Coming From?
Top states by complaint count.
Who Files Complaints?
Mercedes-Benz Glk350 — Other Years
See how this model compares across different model years.
Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.
Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.
Data through: 2026-03-28
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