All cars · Mercedes-Benz GLK/GLC
2011 Mercedes-Benz GLK/GLC.
The 2011 Mercedes-Benz GLK/GLC is one of the most reliable years by owner complaints: 2 complaints in its first 3 years and a Lemon Index of 7, where 100 is the average car. Owners complain most about engine, it has 0 recalls, and it gets 18 mpg combined. It's the best Mercedes-Benz GLK/GLC year we track.
One of the most reliable. 14.3× fewer complaints than average.
Worst year 2016

Before you buy. What matters most for this car.
How serious. Out of 133 owner complaints, owners reported:
Every Mercedes-Benz GLK/GLC year. 2011 is highlighted. Lower is better.
What owners complain about most. From owner complaints to the government.
Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.
When owners reported problems. From owner complaints to the government.
Most owners who filed a complaint with NHTSA had 38K to 120K miles on the car (31 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.
Recalls 0
No safety recalls on record.
Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.
Problems Mercedes-Benz told dealers about
Mercedes-Benz sent dealers 62 repair notes for this car. The ones about its biggest problems:
- Engine noises after engine start
- In our continuing efforts to assure the proper performance of Mercedes-Benz products and to…
- Complaint Rear lamps fogged up/not leaktight
Ask a seller or mechanic if these were done. Some are free under warranty or a special program.
Government investigations
- OpenDesiccated air bag inflator rupture2021
NHTSA looks into a problem when enough owners report it. Many end in a recall.
Fuel cost and engines
About $4400 a year in fuel (EPA estimate). Engines: 3.5L 6-cyl.
Quick answers
Is the 2011 Mercedes-Benz GLK/GLC reliable?
Yes, it is one of the most reliable by government complaints. It drew 14.3× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 7; 100 is average, lower is better).
What are the most common 2011 Mercedes-Benz GLK/GLC problems?
In owner complaints to the government, the parts named most are engine (50%) and brakes (50%). That is the share of complaints, not the share of cars that break.
How many recalls does the 2011 Mercedes-Benz GLK/GLC have?
None: NHTSA has no safety recalls on record for it.
What gas mileage does the 2011 Mercedes-Benz GLK/GLC get?
18 mpg combined, depending on the engine (EPA estimate).
At what mileage do 2011 Mercedes-Benz GLK/GLC problems start?
Half of the owners who gave a mileage reported the problem between 38,000 and 120,000 miles. The middle report was at 65,800 miles, from 31 complaints.
Does the 2011 Mercedes-Benz GLK/GLC have transmission problems?
Transmission and drivetrain issues aren't among its top 5 complaint areas.
How much does the 2011 Mercedes-Benz GLK/GLC cost in fuel a year?
About $4400 a year, by the EPA's current estimate.
What engines does the 2011 Mercedes-Benz GLK/GLC have?
3.5L 6-cyl.
Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works