2012 Mercedes-Benz GLK-Class: owner complaints and recalls

Analysis of 171 owner complaints filed with NHTSA and 0 recall campaigns. Updated 2026-07-25.

171
Complaints
0
Recalls
5
Crash reports
0
Fire reports
3
Injuries
25.7
Severity index

Severity index 25.7 - Low. This weights crashes, fires, injuries and fatalities per 100 complaints; see methodology.

Among the 129 2012 vehicles we track with at least 40 complaints on file, the 2012 Mercedes-Benz GLK-Class ranks 118 of 129 by severity, where 1 is the worst. Its severity is higher than 9% of its model-year peers. See the full 2012 ranking.

What actually fails

ComponentComplaintsShare of complaints citing it
AIR BAGS13679.5%
FUEL/PROPULSION SYSTEM127.0%
UNKNOWN OR OTHER74.1%
SERVICE BRAKES63.5%
SUSPENSION42.3%
ELECTRICAL SYSTEM42.3%
SEATS31.8%
POWER TRAIN31.8%

The single most-reported system is AIR BAGS, cited in 136 of 171 complaints (79.5%). One complaint can name several systems, so these shares overlap and do not total 100%.

Complaints filed per year

2013: 12014: 12015: 32016: 52017: 692018: 252019: 412020: 42021: 52022: 22023: 52024: 42025: 52026: 11314151617181920212223242526
YearComplaints
20131
20141
20153
20165
201769
201825
201941
20204
20215
20222
20235
20244
20255
2026 (year to date)1
Complaint volume is broadly steady year over year.
Source. US National Highway Traffic Safety Administration public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports; volume is influenced by how many units were sold and how long the vehicle has been on the road. Not affiliated with NHTSA or any manufacturer.