Used Mercedes-Benz GLC 300

What to know before buying: Mercedes-Benz GLC 300

From 2 forum threads and 2 press tests · updated 12/10/2026

What the reviews say

• The X253-family GLC 300 has a 2.0-litre turbo petrol engine producing 245 hp and 370 Nm, a nine-speed G-TRONIC and 4MATIC; quoted 0–100 km/h time is 6.5 seconds.[1]one sourceX253
• In a 2019 X253 test, the cabin was judged comfortable and spacious in both rows; luggage capacity is 550–1,600 litres.[1]one sourceX253
• The 2019 X253 test car offered strong ride and acoustic comfort, though large wheels made bumps more noticeable and tramlining more nervous.[1]one sourceX253
• The 2019 X253 test criticised the dated, unintuitive infotainment and graphics; its controls required familiarisation while stationary.[1]one sourceX253
• TÜV data show 2018 and 2019 GLCs at a 1.5% defect rate in 2022 versus a 4.74% age-group average; both ranked first of 121.[2]one sourceX253

Typical faults

• Some US-market 2023 GLC 300s lacked covers over the headlamp horizontal-adjustment screws, potentially causing incorrect aim, inadequate illumination or glare.[4]one sourceX254

  2023–2023 · GLC 300

• On GLCs covered by a 2022–2025 recall, a steering-coupling manufacturing defect may loosen the mechanical connection between the steering wheel and steering gear.[3]one sourceX254

  2022–2025

• On some 2023 GLCs, an incorrectly repaired fuse box may cause poor contact or an incorrect fuse rating, affecting connected systems.[3]one sourceX254

  2023–2023

• On some 2024 GLCs, welds on rear-axle mounting brackets may fail while driving, potentially allowing a bracket to detach.[3]one sourceX254

  2024–2024

Which engine and version to take

• Among the variants directly documented by the sources, the X253 GLC 300 offers a 2.0-litre turbo petrol engine with 245 hp and 370 Nm, nine-speed G-TRONIC and 4MATIC.[1]one sourceX253

What to check at the inspection

• Check the VIN for every outstanding recall and request proof of repair; the source warns that a previous owner may have missed or ignored a recall.[3]one sourceX253X254
• On a 2023 GLC 300, especially one built in Bremen from 27 January to 7 March, inspect the headlamp adjustment-screw covers and confirm the free recall repair.[4]one sourceX254
• For a 2022–2025 X254, verify paperwork showing the steering-coupling defect was remedied; the source links it to possible loosening of the mechanical connection.[3]one sourceX254
• For a 2023 X254, check the fuse-box repair history; for a 2024 car, confirm completion of the rear-axle bracket-weld recall.[3]one sourceX254

Verdict

Sources

1. [1]iauto.lv — iAuto tests: apvidus auto "Mercedes-Benz GLC" (+ FOTO) · forum
2. [2]auto.jautajums.lv — Mercedes GLC atsauksmes | jautajums.lv - Auto, moto · forum
3. [3]car-recalls.eu — Mercedes-Benz GLC - Распространенные проблемы · press
4. [4]speedme.ru — Mercedes признал опасный дефект в сборке GLC 300 · press

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