Mercedes-Benz GLK350 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
904 owner complaints analyzed
12 distinct recall campaigns
54,000 mi median reported failure mileage
Scope: 2006 to 2015 model years. Data snapshot: . 232 complaints include usable failure mileage.
Most common problems
Air Bags is the most frequently named component, appearing in 620 of 904 complaints (68.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Fuel system concerns | 58 | 6.4% |
| Braking behavior | 56 | 6.2% |
| Steering behavior | 36 | 4.0% |
| Transmission and shifting | 25 | 2.8% |
| Electrical and battery issues | 17 | 1.9% |
| Engine operation | 9 | 1.0% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Air Bags | 620 |
| Fuel/Propulsion System | 72 |
| Electrical System | 36 |
| Steering | 34 |
| Unknown Or Other | 32 |
| Service Brakes | 31 |
| Suspension | 25 |
| Power Train | 21 |
Air Bags: 620; Fuel/Propulsion System: 72; Electrical System: 36; Steering: 34; Unknown Or Other: 32; Service Brakes: 31; Suspension: 25; Power Train: 21
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 57 |
| 25,000 to 49,999 | 46 |
| 50,000 to 74,999 | 52 |
| 75,000 to 99,999 | 36 |
| 100,000 to 149,999 | 34 |
| 150,000 and above | 7 |
Under 25,000: 57; 25,000 to 49,999: 46; 50,000 to 74,999: 52; 75,000 to 99,999: 36; 100,000 to 149,999: 34; 150,000 and above: 7
Under 25,000 miles has the most reports with usable mileage (57). 672 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2009 | 3 |
| 2010 | 10 |
| 2011 | 4 |
| 2012 | 4 |
| 2013 | 5 |
| 2014 | 15 |
| 2015 | 24 |
| 2016 | 45 |
| 2017 | 181 |
| 2018 | 140 |
| 2019 | 256 |
| 2020 | 64 |
| 2021 | 26 |
| 2022 | 35 |
| 2023 | 42 |
| 2024 | 21 |
| 2025 | 18 |
| 2026 | 11 |
2009: 3; 2010: 10; 2011: 4; 2012: 4; 2013: 5; 2014: 15; 2015: 24; 2016: 45; 2017: 181; 2018: 140; 2019: 256; 2020: 64; 2021: 26; 2022: 35; 2023: 42; 2024: 21; 2025: 18; 2026: 11
Pattern summary
Air Bags leads the component reports. Fuel system concerns appears in 58 complaint narratives. Braking behavior appears in 56 complaint narratives. Steering behavior appears in 36 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 10474052 · 2012-09-06 (September 6, 2012)
TL* THE CONTACT OWNS A 2010 MERCEDES GLK350. THE CONTACT STATED THAT WHILE DRIVING 40 MPH, ALL OF THE LIGHTS ON THE INSTRUMENT PANEL ILLUMINATED AND THE VEHICLE STALLED. THE DEALER WAS NOTIFIED. SEVERAL DAYS LATER THE FAILURE RECURRED. THE VEHICLE WAS TAKEN TO THE DEALER WHO DIAGNOSE THAT THE STARTER AND FUEL PUMP NEEDED TO BE REPLACED. ALSO, THE ELECTRICAL SYSTEM WAS UPGRADED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE WHO DECIDED TO DISPATCH AN ENGINEER TO INSPECT THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGE …
Owner-reported narrative. 18,000 miles reported. Look up ODI 10474052 at NHTSA ↗
Owner report 10705448 · 2015-04-13 (April 13, 2015)
FUEL/GAS TANK LEAKING AFTER FILLING UP THE TANK. CAR SMELL OF GAS AND POOL OF GAS OBSERVED ON THE FLOOR OF THE GARAGE. I HAVE TO BACKED UP THE CAR ON THE STREET TO AVOID POSSIBLE FIRE ON MY PROPERTY. THIS IS THE SECOND INCIDENCE...THE FIRST INCIDENT WAS A WEEK AGO, THE CAR SMELLS OF GAS AND I BROUGHT THE CAR TO MY MECHANIC AND HE CAN'T FIND ANY LEAK IN THE FUEL SYSTEM NOR ON THE FUEL TANK, THE GAS TANK WAS HALF EMPTY AT THAT TIME. AFTER FILLING UP THE TANK ON 4/10/13, THAT IS WHEN I'VE NOTICED THAT THE GAS IS LEAKING (POOL OF GAS ON THE FLOOR) …
Owner-reported narrative. 72,000 miles reported. Look up ODI 10705448 at NHTSA ↗
Owner report 10353081 · 2010-08-31 (August 31, 2010)
CIRCUMSTANCES LEADING UP TO AN ACCIDENT ON MY MERCEDES BENZ E350 2010 WHICH STARTED ROLLING ON A HILL WHILE THE CAR WAS IN PARK. ON MONDAY AUGUST 30, 2010 I DROVE MY VEHICLE TO THE INTERSECTION OF DELAVALL AND TILLOTSON AVE. IN THE BRONX. I PARKED MY CARE ON DELAVALL AVE. AND PUT THE CAR IN PARK WITH THE ENGINE RUNNING. MY SALESMAN REMAINED IN THE CARE TO MAKE TELEPHONE CALLS IN THE COMFORT OF THE CARS AIR-CONDITIONING. I CHECKED TWICE TO MAKE SURE THE CAR WAS IN PARK AND THEN I LEFT MY SALESMAN IN THE CAR. I WENT INTO MY CUSTOMERS BUILDI…
Owner-reported narrative. Look up ODI 10353081 at NHTSA ↗
Owner report 10371780 · 2010-12-20 (December 20, 2010)
TL*THE CONTACT OWNS A 2010 MERCEDES BENZ GLK350. UPON SHIFTING THE VEHICLE INTO DRIVE IT LUNGED FORWARD. HE APPLIED PRESSURE TO THE BRAKE PEDAL BUT THE BRAKES DID NOT FUNCTION. THE VEHICLE CONTINUED MOVING FORWARD UNTIL IT CRASHED. A POLICE REPORT WAS FILED AND THE DRIVER SUFFERED MINOR INJURIES. THE AIR BAGS DID NOT DEPLOY DURING THE CRASH. THE VEHICLE WAS TOWED TO A BODY SHOP AND THE FAILURE WAS NOT DETERMINED. THE VEHICLE WAS NOT REPAIRED. THE FAILURE AND CURRENT MILEAGES WERE 11,000.
Owner-reported narrative. 11,000 miles reported. Look up ODI 10371780 at NHTSA ↗
Owner report 10820165 · 2016-01-14 (January 14, 2016)
STEERING WHEEL LOCK FAILURE AND IT IS KNOWN TO BE A VERY COMMON PROBLEM ON THESE CARS AND NEED TO BE ADDRESSED
Owner-reported narrative. 32,000 miles reported. Look up ODI 10820165 at NHTSA ↗
Owner report 10991514 · 2017-05-24 (May 24, 2017)
STEERING LOCK SEIZED AFTER CAR WAS PARKED. UNABLE TO SHIFT GEARS, TURN IGNITION OR START CAR. COST $2000 TO FIX! THE WORST CAR EVER!!
Owner-reported narrative. Look up ODI 10991514 at NHTSA ↗
Owner report 10361477 · 2010-10-20 (October 20, 2010)
2010 GLK-350 WITH INEFFECTIVE DRIVER'S SIDE WINDSHIELD WIPER --LEAVES A WEDGE-SHAPED POOL OF WATER IN FRONT OF DRIVER, FROM LEFT (AT ABOUT 9 IN. TALL). TO RIGHT, EXTENDING ABOUT 2-3 FEET, MAKING IT IMPOSSIBLE TO SEE ONCOMING TRAFFIC. BOUGHT CAR IN MAR 2010, REPORTED TO MB SEVERAL TIMES, AND THEY SAY ITS NORMAL. HAVE PICTURES. FRONT END OF VEHICLE --MAINLY RIGHT FRONT TIRE-- WOBBLES, FORCING DRIVER TO INCREASE OR DECREASE SPEED AT AROUND 60 MPH. REPORTED TO MB SINCE NEW SEVERAL TIMES; THEY SAY THEY FIND NOTHING. AUTOMATIC TRANSMISSION LURCH…
Owner-reported narrative. 300 miles reported. Look up ODI 10361477 at NHTSA ↗
Owner report 10347254 · 2010-08-04 (August 4, 2010)
WATER LEAKED OUT OF AN INSULATED COOLER SITTING ON THE FLOOR BEHIND THE RIGHT PASSENGER SEAT. THE WATER WENT THRU THE CARPET AND CAUSED DAMAGE TO THE MODULES WHICH THEN SHUT DOWN THE ENTIRE ELECTRICAL SYSTEM AND CAUSED THE CAR TO COME TO A COMPLETE STOP AND COULD NOT BE STARTED AS WE HAD JUST LEFT THE FREEWAY. THE CAR HAD TO BE TOWED TO A DEALER. IT HAD TO BE DRIED OUT, REINSTALL THE BATTERY, REPLACE THE CONTROL MODULES. WE WERE TOLD THIS HAS BEEN A PROBLEM EVEN IF A DRINK WERE SPILLED ON THE BACKFLOOR. THE DEALER TOLD US IT WAS A POOR DESIGN F…
Owner-reported narrative. 30,477 miles reported. Look up ODI 10347254 at NHTSA ↗
Owner report 10360838 · 2010-10-17 (October 17, 2010)
2010 MERCEDES BENKGLK 350. ON SATURDAY, OCTOBER 16, I WAS ATTEMPTING TO REVERSE OUT A PARKING SPACE IN THE WESTFIELD SHOPPING CENTER, WHEATON, MD. I PUT THE CAR IN REVERSE AND REVERSED SLOWLY. I THEN PUT THE CAR IN DRIVE AND MOVED FORWARD TO DO A 3 POINT TURN.. PLACED THE CAR IN REVERSE AND IT STALLED FOR A FEW SECONDS THEN LURCHED BACKWARD, HITTING ANOTHER CAR. THIS IS NOT THE FIRST TIME I HAVE NOTICED THIS BEHAVIOR BUT IT IS THE FIRST TIME IT LURCHED SO HARD THAT IT LITERALLY JUMPED ONE FULL CAR LENGTH AND HIT THE CAR. I WENT ONLINE AND …
Owner-reported narrative. 8,500 miles reported. Look up ODI 10360838 at NHTSA ↗
Recalls by model year
All campaigns in the snapshot affecting each model year, including recalls announced years later.
Recall campaigns
Shared campaigns appear once in each affected model year.
| Category | Count |
|---|---|
| 2006 | 0 |
| 2007 | 0 |
| 2008 | 0 |
| 2010 | 5 |
| 2011 | 4 |
| 2012 | 4 |
| 2013 | 6 |
| 2014 | 5 |
| 2015 | 4 |
2006: 0; 2007: 0; 2008: 0; 2010: 5; 2011: 4; 2012: 4; 2013: 6; 2014: 5; 2015: 4