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2017 Mercedes-Benz GLC problems: engine and transmission complaints and recalls

HIGH COMPLAINT SIGNAL
57%
56 of 98 relevant owner complaints are about the engine, transmission or fuel system

57% of relevant owner complaints filed with NHTSA on the 2017 Mercedes-Benz GLC are about the engine, transmission or fuel system. That is a model-level pattern, not bad luck.

Worse than 76% of the 1,789 model years we track (2010–2023).

Excludes 17 airbag, lighting and seat-belt recall complaints that would otherwise mask the signal (unadjusted: 49%).

NHTSA data checked October 3, 2026
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Does the 2017 Mercedes-Benz GLC have engine problems?

Owner complaints say yes, as a model-year pattern. 56 of 98 relevant complaints filed with NHTSA about the 2017 Mercedes-Benz GLC concern the engine, transmission or fuel system (57%), and the largest group is filed under engine (40). For comparison, the 2016 scores 49% and the 2018 scores 53%. On a test drive, check for stalling, loss of power, rough idle, oil consumption or a check-engine light. This describes the model year, not any one car: a well-maintained or already-repaired example can be fine, and a clean model year can still have a bad car in it.

Drivetrain complaints
56
engine, transmission, fuel
Total complaints
115
this model year
Fires reported
3
owner-reported
Recall campaigns
0
5 crashes · 3 injuries

Complaints by component

ENGINE40 · 35%
ELECTRICAL SYSTEM17 · 15%
FUEL/PROPULSION SYSTEM15 · 13%
UNKNOWN OR OTHER15 · 13%
AIR BAGS13 · 11%
SEAT BELTS9 · 8%

The years either side

2010
no data
2011
no data
2012
no data
2013
no data
2014
no data
2015
no data
2016
49%
62 of 139
2017
57%
56 of 115
2018
53%
45 of 99
2019
34%
23 of 69
2020
44%
32 of 80
2021
68%
36 of 66
2022
36%
22 of 62
2023
34%
20 of 65

Manufacturers fix things mid-generation. A bad year next to a clean one is common; the fix usually arrived in between.

Cleaner alternatives

Other luxury SUVs with no elevated signal in 2017

The percentage is each model year's drivetrain complaint share. No elevated signal describes the model year, not any one car; a well-kept example of a flagged model can still be the right buy, and any of these still needs an inspection.

What owners reported

FUEL/PROPULSION SYSTEM02/05/2026
I smell gas in my car. There is a recall for the fuel parts on the 2019. I have a 2017 with the same issue.
POWER TRAIN08/12/2025
The Valve body control failed. I took the car into the dealership but upon doing some searching this seems to be a common issue amongst owners of this vehicle/make model. The transmission won't go beyond 5th gear (of 9) so it's is dangerous to drive on the interstate. The car doesn't shift into drive, only shifts in…
POWER TRAIN,AIR BAGS,SEAT BELTS06/11/2025
Vehicle has previous recalls done and still has the same issues with recall. Srs code no air bag will deploy. Dealer ship refused to service vehicle due to miscommunication and I'm driving a defective vehicle without an airbag which could lead to a bad accident waiting to happened. I will like to file a complaint again…

Three of 56 drivetrain complaints. The full report shows more, with quotes about the engine in the car you are looking at first.

Before you buy a 2017 Mercedes-Benz GLC

Questions people ask about the 2017 Mercedes-Benz GLC

Does the 2017 Mercedes-Benz GLC have engine problems?

Owner complaints say yes, as a model-year pattern. 56 of 98 relevant complaints filed with NHTSA about the 2017 Mercedes-Benz GLC concern the engine, transmission or fuel system (57%). Before buying one, have an independent mechanic check the engine and ask the seller whether it has been repaired or replaced.

Are there engine or transmission recalls on the 2017 Mercedes-Benz GLC?

NHTSA lists no recall campaigns on the 2017 Mercedes-Benz GLC.

Which Mercedes-Benz GLC years are better?

Among the Mercedes-Benz GLC years we track, the 2019 (34%), the 2023 (34%) and the 2022 (36%) have a lower engine and transmission complaint share than the 2017 (57%). Manufacturers fix things mid-generation, so the year before or after can be a different car.

Should I buy a 2017 Mercedes-Benz GLC?

That depends on the car in front of you, not just the model year. The 2017 Mercedes-Benz GLC has an elevated engine complaint pattern, so treat it as a car that needs proof: service records showing engine work, a cold-start test drive, and an independent pre-purchase inspection focused on the engine. A well-kept or already-repaired example can be a fine car; an unknown one is a gamble.

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Experimental model-level information. This is not a vehicle inspection, vehicle-history report, financial advice or purchase recommendation. It describes patterns across a model year, not the condition of any individual vehicle. Combined across 2 body styles NHTSA files separately.