AutoDefect IQ

1999 Mercedes Benz Ml320 problems, complaints & recalls

Most-reported problem areas: Engine And Engine Cooling:engine:gasoline:belts And Associated Pulleys (11) · Power Train:automatic Transmission (10) · Steering:hydraulic Power Assist:hose, Piping, And Connections (9)

🧭 Reliability snapshot

84 /100
✓ Typical or better for this model

Compared against other Mercedes Benz Ml320 model years — complaint volume vs the model's median year, recalls and severity. How we score →

🛣️ Complaints by mileage

<25k miles: 5 complaints <25k 25–50k miles: 7 complaints 25–50k 50–75k miles: 29 complaints 29 50–75k 75–100k miles: 13 complaints 75–100k 100–125k miles: 7 complaints 100–125k 125–150k miles: 5 complaints 125–150k 150k+ miles: 6 complaints 150k+

72 NHTSA complaints that reported an odometer reading.

125
Complaints
0
Recalls
30
Service bulletins
14
Crashes reported
2
Fires reported
0
Deaths

Safety recalls (0)

No recalls on record for this model year (campaigns announced since 2010).

Service bulletins (30)

Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.

Power Train 2020-09-30 · LI27.50-P-071658 · Service Bulletin/Repair Instructions

harsh engagement when changing gear range from p to d or r

Power Train:automatic Transmission:gear Position Indication (Prndl) 2020-09-22 · LI27.50-P-049281 · Service Bulletin/Repair Instructions

harsh engagement when changing gear range from p to d

Engine 2015-03-25 · LI07.08-P-060993 · Service Bulletin/Repair Instructions

engine diagnosis warning lamp lights up in instrument cluster, fault code u145400: "implausible data were received from the ethanol sensor"

Equipment 2014-02-03 · GI88.40-P-057430 · Service Bulletin/Repair Instructions

message in instrument cluster "distronic pluscurrently unavailable - see owner's manual"

Suspension 2013-12-04 · LI32.20-P-057942 · Service Bulletin/Repair Instructions

thumping noises from front axle when driving over bumps on road.

Visibility 2013-07-23 · S-B-67.00-29 · Service Bulletin/Repair Instructions

since 12/2012 (model 166) and since 06/2013 (model 242) the glass breakage loops are no longer in the side windows and rear window. suitable interior protection ensures that the interior monitoring function continues to operate correctly.

Showing the 6 most recent of 30 bulletins. Search all of them free at nhtsa.gov.

What owners report

No detailed complaint narratives on file.

Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.

Other Mercedes Benz Ml320 years