2026 BMW X3 vs 2026 Mercedes-Benz GLB:
Safety comparison — crash avoidance & crash test ratings

Side-by-side comparison of standard crash-avoidance technologies and NHTSA/IIHS crash test ratings. Driver assistance and convenience features are covered in the full comparison.

2026 BMW X3
95
MotiveGrid Safety Score
vs
2026 Mercedes-Benz GLB
80
MotiveGrid Safety Score
1 advantages for BMW X30 advantages for Mercedes-Benz GLB5 tied featuresFull comparison

Quick take

The BMW X3 leads in overall safety with a MotiveGrid Safety Score of 95 vs 80 — a 15-point gap driven by stronger crash-avoidance features and/or higher NHTSA/IIHS ratings. In crash avoidance, the BMW X3 includes 1 more standard feature (1 of 4 key technologies vs 0). Overall, the BMW X3 has the stronger safety package, leading on 1 of 6 measured features versus 0 for the Mercedes-Benz GLB (5 tied). Check the full comparison for cost of ownership, powertrain, and livability scores — safety is one of five pillars in the MotiveGrid Score.

Crash avoidance(103)

(Wins–Losses–Ties for BMW X3 vs Mercedes-Benz GLB)

Crash avoidance comparison: 2026 BMW X3 versus 2026 Mercedes-Benz GLB
FeatureBMW X3Mercedes-Benz GLB
Automatic emergency braking
Detects imminent forward collision and applies brakes autonomously to reduce or avoid impact.
Yes Yes
Forward collision warning
Alerts driver to an impending forward collision with visual and/or audible warnings.
Yes Yes
Blind spot monitoring
Warns when a vehicle is detected in the blind spot zone, typically with mirror indicators.
Yes Yes
Rear cross-traffic alert
Alerts to approaching cross-traffic when reversing out of a parking space or driveway.
Yes No

Crash test ratings(002)

(Wins–Losses–Ties for BMW X3 vs Mercedes-Benz GLB)

Crash test ratings comparison: 2026 BMW X3 versus 2026 Mercedes-Benz GLB
FeatureBMW X3Mercedes-Benz GLB
NHTSA overall
National Highway Traffic Safety Administration overall star rating (1–5). Crash test scores for frontal, side, and rollover.
4 ★
IIHS overall
Insurance Institute for Highway Safety top award — Top Safety Pick+ is the highest designation.
Top Safety Pick+

Data reflects standard equipment at the base MSRP. Optional packages like Ford BlueCruise, GM Super Cruise, and Tesla FSD are not scored (Tesla FSD is the lone curated exception). Crash test data from NHTSA and IIHS. ADAS data verified against manufacturer spec pages.

← Full 2026 BMW X3 vs 2026 Mercedes-Benz GLB comparisonSafety scoring methodology →

See the full BMW X3 vs Mercedes-Benz GLB comparison — all five pillars including cost of ownership, powertrain, driver assistance, and livability:

← Full comparison (all 5 pillars)Safety scoring methodology →Car safety ratings explained →MotiveGrid rankings →