2020 Mercedes-Benz GLB: common problems and reliability

One of the worst GLB years.

One of the Mercedes-Benz GLB years to avoid. All GLB years

60 owner complaints, most about structure. No recalls.

Should I buy a 2020 GLB?

The 2020 Mercedes-Benz GLB has 60 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are structure and electrical system. Owners most often flag rough idle and stalling: isolated report of a 2020 glb 250 experiencing random shut-offs in traffic and difficulty restarting after short stops, potentially related to fuel system issues, unresolved by dealerships.

Safety record for the 2020 model year

60
Owner complaints
0
Recalls
3
Crash reports
1
Fire reports

Source: NHTSA complaints and recalls filed for 2020 Mercedes-Benz GLB vehicles (US, public record).

The Year Score compares this year with other GLB years only. How we score it

Is 2020 a good year for the GLB?

Across the 7 GLB model years we track, complaint volume runs from 2 (2021) to 60 (2020). With 60 complaints, the 2020 GLB sits above the model's median of 6.

These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.

Where owners report problems

structure
14
electrical system
11
engine
9
suspension
7
air bags
7

What owners say across generations

Mixed sentiment with a clear divide between appreciation for its unique practicality and significant concerns regarding powertrain performance, reliability, and long-term ownership costs.

  • IsolatedRough idle and stalling

    Isolated report of a 2020 GLB 250 experiencing random shut-offs in traffic and difficulty restarting after short stops, potentially related to fuel system issues, unresolved by dealerships.

Owner insights cover all generations of the GLB. See the full GLB owner picture and every model year.

Typical used price

Used GLB listings typically run $22,697–$30,693.

Other GLB model years

Compare every GLB year side by side to see how 2020 ranks against the rest.

Compare the GLB against its rivals

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