Mercedes-Benz GLK Mercedes-Benz GLK

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Expensive Mercedes-Benz GLK repairs by problem area

Engine (55%)

Transmission and Drivetrain (12%)

Brakes and Traction Control (12%)

Suspension and Steering (3%)

Electrical and Air Conditioning (12%)

Paint, Rust, Leaks, Rattles, and Trim (3%)

Other (3%)

Chart based on 33 repairs.
See TSBs and recalls for the Mercedes-Benz GLK.

Mercedes-Benz GLK repair cost distribution

$2500+ (42%)

$1000 - $2499 (58%)

$500 - $999 (0%)

$100 - $499 (0%)

< $100 (0%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 19 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2015 Mercedes-Benz GLK 4dr SUV

turbocharged 200hp 2.1L I4 Diesel 7-speed shiftable automatic AWD

65462 mi

C $560
Throttle body seal leak and replaced 
76108 mi

C $2524
NOX sensor defective. Two replaced 
55000 mi

US $4000
emission system 
57000 mi

US $4000
emission system 
72000 mi

US $300
NEW BATTERY 

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2014 Mercedes-Benz GLK 4dr SUV

turbocharged 200hp 2.1L I4 Diesel 7-speed shiftable automatic AWD

72000 mi

US $1000
P20B9 code. Reductant heater A control circuit /open. P20B9code. Inline DEF heater 
77800 mi

US $569
Replaced DEF fluid pump 

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2013 Mercedes-Benz GLK 4dr SUV

turbocharged 200hp 2.1L I4 Diesel 7-speed shiftable automatic AWD

125860 mi

C $1800
High pressure fuel line rupture. Parts was $400, 9 hours of labour to remove the intake manifold, associated items, replace fuel lines and reinstall Blind spot radar sensors replace with wiring harness Third new radar sensor installed after one of the replacements failed 
56420 mi

C $4700
Replaced diesel NOx sensors (2), temperature sensor,  adblue dosing valve. 
55180 mi

C $1150
Radar unit rear right (inside bumper) failed - replaced new 
27900 mi

C $1000
turbo hoses replaced 
56730 mi

C $900
Discovered a faulty O2 sensor. After discovering it would cost nearly $1,000 after labour to fix I called MB head office to express my disappointment that such a part would last such a short time. MB agreed to cover the part despite no warranty! 
56730 mi

C $1100
Soot particulate sensor 
58020 mi

C $1100
Add blue delivery line with heating element both needed replacement. Drivers seat belt buckle lock would silently disengage seatbelt without warning WHILE DRIVING. A warning light did come up on the dash for the airbag which was diagnosed by the dealership. Exhaust pipe has rotted out beneath clamp and near engine block. The dealership has welded the exhaust pipe together as a temporary fix while requesting Germany to build a new exhaust pipe (front two sections). It should be here in approximately 2 - 4 weeks. 

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2013 Mercedes-Benz GLK 4dr SUV

302-horsepower 3.5L V6 7-speed shiftable automatic AWD

80000 mi

US $1600
Driveshaft failed (was falling apart, per dealer). Was making a noise. 

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2011 Mercedes-Benz GLK 4dr SUV

268-horsepower 3.5L V6 7-speed shiftable automatic RWD

88000 mi

US $1000
The steering wheel lock which unlocks when the key is initially insert into the dash. The motor for that steering wheel lock was faulty. Had to replace, and the labor to get to it was expensive The key receiver on the dash came apart and fell into the dash. 

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2010 Mercedes-Benz GLK 4dr SUV

268-horsepower 3.5L V6 7-speed shiftable automatic RWD

200 mi

US $70000
front end 

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2010 Mercedes-Benz GLK 4dr SUV

268-horsepower 3.5L V6 7-speed shiftable automatic AWD

57660 mi

C $500
Replace electric motor for drivers side window. 
68200 mi

C $500
Replaced thermostat 
77500 mi

C $2700
Timing chain replaced 
47120 mi

C $5850
cluster, ABS ESC and pre safe functions unavailable. 
60000 mi

US $750
Replace 2 engine mounts and 1 transmission mount. Dealer messed up diagnosis a year ago, meaning that repair occurred out of warranty. MBZ paid for half (I.e., we both paid $750) Hazard flasher works sporadically. Dealer said loose wire was repaired, but still not fixed. 
80500 mi

US $150
Replace 4-way flasher switch 
83000 mi

US $1600
Steering interlock failed - car would not start. Mercedes roadside tech was able to get around the interlock. At that point, it could have been driven indefinitely so long as the key was never taken out of the ignition. 
83300 mi

US $1300
Replace crank position sensor Replace 2 evaporate control system valves 
111000 mi

US $5000
Tie rods, bushings and misc suspension/steering parts. Also water pump, serp belt etc.  Rebuilt ABS control unit, maintenance, misc gaskets 
75000 mi

US $2000
Bad bearing, transmission replaced. MB covered parts, I paid labor. 
80000 mi

US $400
Coil replaced cylinder 5 
95000 mi

US $1100
Needed thermostat replaced, non-oem part did not fix the issue. Return to shop for new OEM part. Also 4 new tires and brakes (rotors and pads). 
102000 mi

US $118
front end alignment after hitting HUGE pothole 
114000 mi

US $600
vibration when braking, replaced 2 control arms 
114000 mi

US $600
replace another control arm 
16200 mi

US $240
Battery wouldn't hold a charge 
28000 mi

US $1200
Small leak in transfer case. The case was disassembled and new sealant applied. 
29000 mi

US $1000
AC drain mount disconnected causing water damage to interior of vehicle. 
113200 mi

US $160
Aging battery failed and needed replacement 
130000 mi

US $2400
Intake runner flaps Motor mounts 

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See TrueDelta's information for all Mercedes-Benz models.

Mercedes-Benz GLK Expensive Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently Mercedes-Benz GLK problems occur, check out our car reliability stats.