2001 Mercedes-Benz ML320 Service Brakes Problems

NHTSA component category: SERVICE BRAKES · data through 07/12/2026

26Service Brakes complaints

19.1%Of all 136 complaints

#2Most-reported category

Source: U.S. NHTSA complaint data. Complaints are unverified reports from vehicle owners — a complaint is not a confirmed defect.

How service brakes ranks on this vehicle

ELECTRONIC STABILITY CONTROL (ESC)33 · 24.3%

SERVICE BRAKES26 · 19.1%

VEHICLE SPEED CONTROL14 · 10.3%

SERVICE BRAKES, HYDRAULIC12 · 8.8%

STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS10 · 7.4%

Share of the 136 complaints citing each category; one complaint can cite several. Full breakdown on the 2001 Mercedes-Benz ML320 overview page.

What owners report

“THE CONTACT OWNS A 2001 MERCEDES-BENZ ML320. ON TWO OCCASIONS, WHILE DRIVING APPROXIMATELY 45 MPH AND 60 MPH, THE VEHICLE SLOWED DOWN INDEPENDENTLY AND CAME…”NHTSA complaint 11245008 — filed 08/19/2019

“THE CONTACT OWNS A 2001 MERCEDES-BENZ ML320. THE CONTACT STATED THAT WHILE DRIVING AT ABOUT 40 MPH, THE ACCELERATOR PEDAL FELT AS ID THE BRAKE…”NHTSA complaint 11081603 — filed 03/27/2018

“WHILE DRIVING WHEEL WILL LOCK UP RELEASE AND LOCK UP AGAIN.THE BAS/ESP LIGHT CAME ON.”NHTSA complaint 11042721 — filed 11/02/2017

Excerpts are shortened and scrubbed of personal details; they are individual, unverified reports.

Service Brakes complaints by year filed

Frequently asked questions

Does the 2001 Mercedes-Benz ML320 have service brakes problems?

Service Brakes is the #2 most-reported problem area on the 2001 Mercedes-Benz ML320: 26 of 136 complaints on file (19.1%). Complaints are unverified owner reports, not confirmed defects.

How many complaints does the 2001 Mercedes-Benz ML320 have in total?

136 complaints were on file with NHTSA as of 07/12/2026. Across all categories, 10 involved a crash, 7 involved a fire, 8 reported injuries, and none reported deaths.

What does NHTSA's service brakes category include?

NHTSA assigns each complaint to standard component categories; this page reports the SERVICE BRAKES category exactly as NHTSA defines and records it.

About this data — Complaint figures on this page are consumer reports submitted to the National Highway Traffic Safety Administration (NHTSA), a U.S. government agency. NHTSA does not verify individual complaints; a complaint is not proof that a defect exists, and counts reflect what owners chose to report, not confirmed failure rates. Recall information comes from official NHTSA safety recall campaigns; recall repairs are free at authorized dealers. Always check your specific vehicle by VIN at nhtsa.gov/recalls. CarModelProblems.com is an independent site and is not affiliated with NHTSA or any vehicle manufacturer. Data through 07/12/2026.