Compared with other years
NHTSA ODI complaints by model year
Real-world fuel consumption
69,496 Mercedes-Benz GLC cars first registered in Europe in 2023 report their fuel use through the on-board meter. Diesel hybrid versions use 6.6 l/100 km on the road against 5.4 in the WLTP test (+22%).
| Fuel | Cars | On the road | WLTP | Difference |
|---|---|---|---|---|
| Petrol | 505 | 13.2 | 11.8 | +11% |
| Petrol hybrid | 11,316 | 9.2 | 7.5 | +21% |
| Diesel | 2,892 | 7.8 | 6.6 | +18% |
| Diesel hybrid | 25,957 | 6.6 | 5.4 | +22% |
| Plug-in hybrid | 28,826 | 5.4 | 0.6 | +755% |
Litres per 100 km from the cars' own fuel meters (OBFCM), collected in 2024; the year is the year of first registration. All years together · European Environment Agency · CC BY 4.0
Engines
The most common engines in 2023 Mercedes-Benz GLC cars on Dutch roads are the 2.0 hybrid (150 kW, 201 hp), 2.0 hybrid (185 kW, 248 hp) and 2.0 hybrid (155 kW, 208 hp), out of 5 versions with at least 20 cars.
| Engine | Power | Cars |
|---|---|---|
| 2.0 hybrid | 150 kW 201 hp | 1,733 |
| 2.0 hybrid | 185 kW 248 hp | 461 |
| 2.0 hybrid | 155 kW 208 hp | 124 |
| 2.0 hybrid | 145 kW 194 hp | 77 |
| 2.0 hybrid | 190 kW 255 hp | 62 |
RDW Open Data (CC0): registered passenger cars and their fuel data · engine size rounded to 0.1 litre, net maximum power · versions with at least 20 cars
In the Netherlands
2,487 first registered in 2023 are on Dutch roads; 62% arrived later as imports. Median list price when new: €88,454.
Most common APK defects
- Band onvoldoende profiel14
- Bandenspanning niet op juiste waarde13
- Dimlicht onjuist afgesteld12
- Band beschadigd6
- Band(en) aanwezig met een profieldiepte van 1,6 t/m 2,5 mm5
- Mechanische delen van het remsysteem vertonen slijtage4
- Stuur- of fuseekogel met slijtage kleiner of gelijk 1,0 mm2
- Waarschuwingsinrichting airbagsysteem geeft defect aan1
Colours
RDW Open Data: registered vehicles and APK defects (CC0) · defect descriptions in the RDW's Dutch wording
In the United Kingdom
5,909 cars built in 2023 were licensed for the road at the end of 2025, and 72 more were declared off the road (SORN).
Department for Transport and DVLA, vehicle licensing statistics (table VEH0124, year of manufacture) · Open Government Licence v3.0
In Finland
840 of these cars first registered in 2023 were in use in Finland on 30 Jun 2026, with an average of 25,000 km on the odometer at their last inspection.
Traficom (Finnish Transport and Communications Agency), open data on vehicles in use · CC BY 4.0
In New Zealand
192 2023 cars are on the New Zealand register; 1% arrived as used imports, 99% were sold new in New Zealand.
NZ Transport Agency Waka Kotahi, Motor Vehicle Register (March 2026) · CC BY 4.0
Recalls
No recall campaigns cover the 2023 Mercedes-Benz GLC.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What Mercedes-Benz told its dealers about the 2023 Mercedes-Benz GLC: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 10231037 | Complaint Traffic Light View is intermittently inoperable after updating the MBUX Multimedia System (A26/17) to E316.5. Cause Previously available MBUX software release. Remedy A new software remedy is currently available. Please update the head unit software to version E329.5 or newer. |
| 10231035 | Complaint Sliding sunroof panel of panoramic sliding sunroof reversed (temporarily, once, or multiple times) during closing process, without entrapment event. Cause Cause remains open. For analysis, the information from the control unit log of the panoramic roof control unit (TSSR254) is required via a TIPS case. Remedy Further analyses Requirement: The teach-in run for the automatic reversing function of the panoramic roof via XENTRY has still NOT been carried out Please perform the following steps: 1. Create a TIPS case 2. Create control unit log of panoramic roof control unit |
| 10231032 | Complaint Tailgate opens unintentionally. Cause Accidental or unnoticed activation of the button to open the tailgate on the vehicle key. E.g. when stored in trouser pocket, handbag etc. Remedy As of the 6th generation, the vehicle key can be recoded so that the tailgate no longer opens as a result of a long press on the button, but by double-clicking on the button instead. |
| 10231024 | Complaint - AIRMATIC fault message in instrument cluster - Compressor inoperative, 40A compressor fuse possibly triggered. - Vehicle level is not adjusted correctly, the vehicle possibly leans at an angle Cause Moisture in the compressor freezes at temperatures below zero and may block the compressor. As a result, the starting current when the compressor starts up is too high. Fuse is triggered Remedy Replace compressor, fuse, and relay. Update software and SCN coding. Please invoice the case using damage code 32671 73. Addition: Unscrew pressure line between compressor and valve b |
NHTSA manufacturer communications (public domain)