MotorDeets

2012 Mercedes-Benz Glk350: Recalls, Problems & MPG

Here are the deets on the 2012 Mercedes-Benz Glk350: 4 recalls, 167 owner complaints and up to 18 mpg combined.

4vehicle recalls
167owner complaints
5mention a crash
18best combined mpg
2012 Mercedes-Benz Glk350
Photo: IFCAR · Public domain · Wikimedia Commons. Representative photo of this generation; trim may differ.

Recalls

4 vehicle recalls from the manufacturer. Repairs are free. Check your VIN to see if one is still open on your car.

Fuel system Vehicle recall #12V557000 · 2012 · 5,800 vehicles

What's wrong: Due to an irregularity stemming from the molding process of the fuel filter flange, the fuel filter flange May crack when operated in high temperatures.

Why it matters: If the fuel filter flange cracks, it will leak fuel which May lead to a fire if an external ignition source is present.

The fix: Mercedes-benz will notify owners, and dealers will replace the fuel filter, free of charge. The recall campaign is expected to begin in February 2013.

Airbags Vehicle recall #16V081000 · 2016 · 711,159 vehicles

What's wrong: Mercedes-benz USA, LLC. (mbusa) is recalling certain model year 2009-2010 ml320 bluetec 4matic, gl320 bluetec 4matic and r320 cdi 4matic, 2011 e350 cabriolet and e550 cabriolet, 2009-2011 ml350, ml350 4matic, ml550 4matic, ml63 amg, and c63 amg, 2010-2011 ml450 4matic hybrid, e350 coupe, e350 4matic, e550 coupe, e550 4matic, and e63 amg, 2011-2012 gl350 bluetec 4matic and r350 bluetec 4matic, 2009-2012 gl450 4matic,…

Why it matters: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.

The fix: Mbusa will their notify owners, and FIAT Chrysler will notify the affected Chrysler owners. Dealers for the respective brands will replace the driver's frontal air bag module, free of charge. This recall began November 2016. Mercedes-benz

Airbags Vehicle recall #17V017000 · 2017 · 104,119 vehicles

What's wrong: S. Virgin islands, or "zone a." additionally, unless included in "zone a" above mbusa is recalling certain 2009 c300 4matic, c300, c350 and c63 amg vehicles originally sold, or ever registered, in arizona, arkansas, delaware, district of columbia, illinois, indiana, kansas, kentucky, maryland, missouri, nebraska, nevada, new jersey, new mexico, north carolina, ohio, oklahoma, pennsylvania, tennessee, virginia, and…

Why it matters: An inflator rupture May result in metal fragments striking the vehicle occupants resulting in serious injury or death.

The fix: Mbusa will notify owners, and dealers will replace the front passenger air bag modules, free of charge. Owners were sent an interim notification in March 2017. Second notices started going out in October 2018 and continue to be mailed as parts become available.

Airbags Vehicle recall #19V010000 · 2019 · 288,779 vehicles

What's wrong: " additionally, mbusa is recalling certain 2012-2014 c250, e350 4matic coupe, sls amg cabrio, 2012-2015 c250 coupe, c350 4matic coupe, c350 coupe, c63 amg coupe, 2011 c300, 2011-2014 c300 4matic, c350, c63 amg, e350 cabrio, e350 coupe, sls amg coupe, 2015-2016 e400 4matic coupe, e400 cabrio, e400 coupe, 2011-2016 e550 cabrio, e550 coupe, 2011-2015 glk350 4matic, glk350 rwd, and 2013-2015 glk250 bluetec 4matic…

Why it matters: An inflator explosion May result in sharp metal fragments striking the passenger or other occupants resulting in serious injury or death.

The fix: Mbusa will notify owners, and dealers will replace the passenger frontal air bag module, free of charge. The recall began March 29, 2019.

Most-reported problems

Owner complaints filed with NHTSA, by component. One complaint can list several components. 0 mention a fire, 3 injuries and 0 deaths were reported.

Airbags132
Fuel & propulsion12
Other / unknown7
Brakes6
Electrical4
Suspension4
Seats3
Transmission & drivetrain3

What owners describe

The 2012 Mercedes-Benz Glk350 has 167 owner complaints, ranking #2 of 9 Glk350 model years for complaints (1.7× the average Glk350 year). Complaints peaked in 2017 (68 filed that year). The typical problem showed up when the car was about 5 years old, at a median of 44,630 miles. Neighboring years: 2011 (133 complaints, 4 recalls), 2013 (137 complaints, 6 recalls).

Engines & fuel economy (EPA)

EngineTransmissionDriveCityHwyComb.Fuel
3.5 L 6-cylAutomatic 7-spdRear-Wheel Drive162218Premium

Want the full repair deets? Get the factory manual.

Recall and complaint data tells you what goes wrong. A service manual tells you how to fix it: torque specs, wiring diagrams, fluid capacities and step-by-step procedures for the 2012 Mercedes-Benz Glk350.

eManualOnline Download (PDF), keep forever

Closest thing to the factory manual for most years. Pay once, keep it.

Most $25–$78, one-time
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Mitchell 1 DIY Online access, factory-level data

Pro-shop repair procedures, wiring diagrams and TSBs for your exact car.

From $19.99/mo · $39.99/yr
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ALLDATAdiy Online access, factory OEM info

OEM procedures, specs and recall/TSB info, the same source many shops use.

From $19.99/mo · $59.99/yr
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Haynes Print book or AllAccess online

Step-by-step photos written from a real teardown. Great for first-timers.

Books ~$30–$40 · AllAccess $34.99/mo
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FAQ

Does the 2012 Mercedes-Benz Glk350 have any recalls?

Yes. NHTSA lists 4 vehicle recalls for the 2012 Mercedes-Benz Glk350. Recall repairs are free at any dealer, no matter how old the car is. Check your VIN at nhtsa.gov/recalls.

What are the most common 2012 Mercedes-Benz Glk350 problems?

Owners have filed 167 complaints with NHTSA. The most-reported areas are airbags (132), fuel & propulsion (12), other / unknown (7).

What gas mileage does the 2012 Mercedes-Benz Glk350 get?

EPA ratings run up to 18 mpg combined (3.5 L, Automatic 7-spd), across 1 engine and transmission combos.

Where can I get a 2012 Mercedes-Benz Glk350 repair manual?

eManualOnline sells downloadable manuals, Mitchell 1 DIY and ALLDATAdiy sell online access to factory repair data, and Haynes sells printed guides and online access. Pick a download if you want to keep it, or a subscription for wiring diagrams and TSBs.

Other Glk350 years

200620072008201020112012201320142015