Equal-exposure complaint evidence and changes in the reported problem mix

2016 vs 2017 MERCEDES BENZ GLC300

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Share shifts show how a vehicle's problem mix changed. They do not measure reliability, and complaint counts are not normalized for sales volume.

First 119 months on market for each model year

Exposure window calculated through Aug 22, 2026

Age-matched reports

▼ 23.2% fewer reports in the equal exposure window

NHTSA Consumer Complaints complaints · snapshot 2026-08-21

Bars start at the neutral midpoint. Left means a smaller share; right means a larger share.

View component share data as a table

Component	2016 share	2017 share	Share change
SERVICE BRAKES	18.5%	3.1%	▼ 15.3 pts smaller share
ENGINE	25.4%	30.2%	▲ 4.8 pts larger share
FORWARD COLLISION AVOIDANCE	not reported	4.2%	▲ 4.2 pts larger share
VISIBILITY	3.9%	6.3%	▲ 2.4 pts larger share
WHEELS	2.3%	not reported	▼ 2.3 pts smaller share
SEAT BELTS	3.1%	5.2%	▲ 2.1 pts larger share
FUEL SYSTEM	13.1%	14.6%	▲ 1.5 pts larger share
POWER TRAIN	3.9%	5.2%	▲ 1.4 pts larger share
AIR BAGS	5.4%	4.2%	▼ 1.2 pts smaller share
TIRES	not reported	1.0%	▲ 1.0 pts larger share
SUSPENSION	not reported	1.0%	▲ 1.0 pts larger share
ELECTRICAL SYSTEM	2.3%	3.1%	▲ 0.8 pts larger share
VEHICLE SPEED CONTROL	1.5%	1.0%	▼ 0.5 pts smaller share
STEERING	4.6%	4.2%	▼ 0.5 pts smaller share
STRUCTURE	0.8%	1.0%	▲ 0.3 pts larger share
EXTERIOR LIGHTING	0.8%	1.0%	▲ 0.3 pts larger share
UNKNOWN OR OTHER	22.3%	29.2%	▲ 6.9 pts larger share

NHTSA Safety Recalls recalls · snapshot 2026-08-22

2016 12

Campaign components: AIR BAGS, COMMUNICATION, ELECTRICAL SYSTEM, EXTERIOR LIGHTING, SEAT BELTS, and STRUCTURE

2017 12

Campaign components: AIR BAGS, COMMUNICATION, ELECTRICAL SYSTEM, EXTERIOR LIGHTING, SEAT BELTS, STEERING, STRUCTURE, and VISIBILITY

NHTSA Consumer Complaints complaints · snapshot 2026-08-21