Comparison

MERCEDES-BENZ ML320 vs TOYOTA HIGHLANDER HYBRID

Side-by-side comparison of the MERCEDES-BENZ ML320 and TOYOTA HIGHLANDER HYBRID drawn from the NHTSA consumer-complaint database, defect investigations, recall history, and NCAP crash-test ratings.

According to the National Highway Traffic Safety Administration (NHTSA), more than 2,000,000 consumer complaints have been filed against U.S. vehicles (2,054,142 as of August 2026). This is a head-to-head safety comparison between the MERCEDES-BENZ ML320 (1998–2011) and the TOYOTA HIGHLANDER HYBRID (2005–2023), drawn from that federal complaint and recall record; see our methodology for how the figures are compiled.

The MERCEDES-BENZ ML320 (1998–2011, 12 model years) carries 1,087 NHTSA consumer complaints and 0 safety recalls, while the TOYOTA HIGHLANDER HYBRID (2005–2023, 19 model years) carries 1,100 complaints and 27 recalls. Severity indicators for the pair split as follows: 93 vs 78 crashes, 39 vs 24 fires, and 0 vs 2 reported fatalities.

Raw complaint counts favor whichever nameplate has fewer vehicles on the road, so the cleaner lens is components: which specific part families concentrate each model's filings? For the MERCEDES-BENZ ML320, the leading complaint category is service brakes (70 filings), followed by electronic stability control (esc) and steering. For the TOYOTA HIGHLANDER HYBRID, it is service brakes (230), ahead of electrical system and service brakes, hydraulic. When the two vehicles cluster around the same component, the problem is likely a shared supplier or a shared federal standard under stress; when they diverge, each nameplate has its own defect signature independent of the other.

Average NCAP crash-test scores are not uniformly available for both nameplates in this dataset, which typically means one or both pre-date the 2011 rating methodology refresh. Use the side-by-side table below as your scorecard, but do not treat it as a verdict. Recall counts tell you how many defects the manufacturer has already been compelled to remedy; complaint counts tell you what owners are still flagging today; and safety ratings tell you how the vehicle performs in standardized barrier tests, three different lenses on the same underlying question. The "also compare" links at the bottom of this page let you triangulate against neighboring nameplates in each model's competitive set.

MERCEDES-BENZ ML320 vs TOYOTA HIGHLANDER HYBRID - NHTSA complaint, recall, and safety rating comparison
MERCEDES-BENZ ML320 Metric TOYOTA HIGHLANDER HYBRID
N/A Avg Safety Rating 5/5
1,087 Total Complaints 1,100
0 Total Recalls 27
93 Crashes Reported 78
39 Fires Reported 24
114 Injuries Reported 23
0 Deaths Reported 2
12 years Years on Market 19 years

Top Complaint Categories

SERVICE BRAKES
70
230
ELECTRONIC STABILITY CONTROL (ESC)
63
64
STEERING
57
0
ELECTRICAL SYSTEM
55
141
STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
50
0
SERVICE BRAKES, HYDRAULIC
0
75
VEHICLE SPEED CONTROL
0
73
MERCEDES-BENZ ML320 TOYOTA HIGHLANDER HYBRID

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Frequently Asked Questions

Which is safer, MERCEDES-BENZ ML320 or TOYOTA HIGHLANDER HYBRID?
MERCEDES-BENZ ML320 has 1,087 total NHTSA complaints with 93 crashes, while TOYOTA HIGHLANDER HYBRID has 1,100 complaints with 78 crashes. Review individual model years for specific safety ratings.
How many recalls does MERCEDES-BENZ ML320 have compared to TOYOTA HIGHLANDER HYBRID?
MERCEDES-BENZ ML320 has 0 recalls across 12 model years, while TOYOTA HIGHLANDER HYBRID has 27 recalls across 19 model years.
What are the most common problems with MERCEDES-BENZ ML320?
The most commonly reported issues for MERCEDES-BENZ ML320 are: SERVICE BRAKES (70 complaints), ELECTRONIC STABILITY CONTROL (ESC) (63 complaints), STEERING (57 complaints), ELECTRICAL SYSTEM (55 complaints), STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS (50 complaints).
What are the most common problems with TOYOTA HIGHLANDER HYBRID?
The most commonly reported issues for TOYOTA HIGHLANDER HYBRID are: SERVICE BRAKES (230 complaints), ELECTRICAL SYSTEM (141 complaints), SERVICE BRAKES, HYDRAULIC (75 complaints), VEHICLE SPEED CONTROL (73 complaints), ELECTRONIC STABILITY CONTROL (ESC) (64 complaints).

Source: National Highway Traffic Safety Administration (NHTSA) complaints and recalls data