1999 Mercedes-Benz ML430 problems & reliability
44 owner complaints filed with NHTSA for the 1999 Mercedes-Benz ML430. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (2 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine and Engine Cooling → | 18 | 41% |
| Power Train | 8 | 18% |
| Steering | 6 | 14% |
| Electrical System | 5 | 11% |
| Fuel System, Gasoline | 4 | 9% |
| Service Brakes, Hydraulic | 4 | 9% |
| Suspension | 2 | 5% |
| Unknown OR Other | 2 | 5% |
| Engine | 1 | 2% |
| Equipment | 1 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
All 14 reported components →Mileage when problems occurred
Among the 31 complaints that included a usable odometer reading, the median reported incident mileage was 78,000 miles (middle 50% between 64,000 and 99,000 miles).
Complaints by incident year
What owners report
“December 11, 2013 I was driving home from work my benz quit on me in the road would not start back (my home is within 2 miles of my work) the day before it had quit as I was making a turn but restarted a couple of days prior I had the car warming and it shut off while warming up but restarted. There was no lights on…”
Electrical System · filed Dec 31, 2013
“After exiting the freeway I noticed a loud exhaust sound coming from underneath the car. After pulling over iooked underneath the car ant the front driver's side catalytic converter split in half along the welds. *tr basically, the exhaust is venting directly to the open air without going through the emission system…”
Engine · filed Apr 24, 2013
“Tl* the owns a 1999 mercedes-benz ml 430. The contact stated while driving 25 mph the catalytic converter starting making a noise and leaking. The contact took the vehicle to a local mechanic and the mechanic notice the welding was cracking. The mechanic pulled up a recall and suggested the contact take the vehicle to…”
Engine and Engine Cooling · filed Sep 22, 2010
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- BRAKE LINE CHAFE
Engineering Analysis EA08009 · opened Apr 28, 2008 · closed Dec 16, 2009
- ENGINE CRANKSHAFT PULLEY FAILURE
Preliminary Evaluation PE03058 · opened Dec 17, 2003 · closed Apr 22, 2004
Technical service bulletins
18 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 1999 Mercedes-Benz ML430. The 10 most recent:
Harsh engagement when changing gear range from P to D or R
LI27.50-P-071658 · Service Bulletin/Repair Instructions · issued Sep 30, 2020
Harsh engagement when changing gear range from P to D
LI27.50-P-049281 · Service Bulletin/Repair Instructions · issued Sep 22, 2020
Engine diagnosis warning lamp lights up in instrument cluster, fault code U145400: "Implausible data were received from the ethanol sensor"
LI07.08-P-060993 · Service Bulletin/Repair Instructions · issued Mar 25, 2015
Message in instrument cluster "DISTRONIC PLUSCurrently Unavailable - See Owner's Manual"
GI88.40-P-057430 · Service Bulletin/Repair Instructions · issued Feb 3, 2014
Thumping noises from front axle when driving over bumps on road.
LI32.20-P-057942 · Service Bulletin/Repair Instructions · issued Dec 4, 2013
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…
S-B-67.00-29 · Service Bulletin/Repair Instructions · issued Jul 23, 2013
Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
LI82.95-P-056655 · Service Bulletin/Repair Instructions · issued Jul 12, 2013
The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after interrupting the power supply (circuit 30).
LI82.85-P-055695 · Service Bulletin/Repair Instructions · issued Jul 8, 2013
Xentry: outside door handle no longer returns to end position. Due to a bent pin in the dynamic balancer, the support spring of the bearing bracket can slide out of place or become unhooked. Models 164, 251, 166, 204…
LI-72-00-P · Service Bulletin/Repair Instructions · issued May 1, 2013
Mercedes: see document search button for owner letter. The lower power steering hose and clamp should be replace, under extended warranty, due to power steering leakage from connection to power steering cooler. Models…
TB-46-30-13-B · Service Bulletin/Repair Instructions · issued Feb 15, 2013
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
No NHTSA recall campaigns name the 1999 Mercedes-Benz ML430 in our current data. Recalls may apply only to certain VIN ranges — always confirm with a VIN check.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 1999 Mercedes-Benz ML430?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Among complaints with usable mileage, the median reported incident mileage was 78,000 miles. This does not predict when a particular vehicle will develop a problem.