MERCEDES-BENZ S600 · model year

2003 MERCEDES-BENZ S600

8 NHTSA complaints, 1 crash report for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2003MERCEDES-BENZS600 carries 8 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 1 crash, 0 fires, 1 injury, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.

Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2003 S600 is suspension with 4 filings, followed by engine and engine cooling:cooling system (1) and engine and engine cooling:engine (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.

NHTSA currently has 15 investigation files overlapping the 2003 S600. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.

8
Complaints
1
Crashes
0
Fires
1
Injuries
0
Deaths

Total Complaints

8 filings

Crashes Reported

1 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
SUSPENSION4
ENGINE AND ENGINE COOLING:COOLING SYSTEM1
ENGINE AND ENGINE COOLING:ENGINE1
ELECTRICAL SYSTEM1
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL1

Recent Complaints

20151008CrashSUSPENSION

WHILE MY DAUGHTER DRIVING MY CAR ABC LIGHT CAME ON AND SUDDENLY LOST CONTROL AND HAD ACCIDENT. CAR WENT OVER THE CENTER LINE, CLIMBED OVER BARRICADE AND DESTROYED THE CAR. INSURANCE COMPANY TOTLALED THE CAR BECAUSE IT WAS TOO EXPENSIVE TO REPAIR. WHILE DRIVING A HIGH PRESSURE HOSE BLEW UP AND CAR WENT ALL THE WAY DOWN TO BOTTOM OF THE SUSPENSION, MERCEDES DOES NOT TAKE ANY RESPONSIBILTY FOR THIS PROBLEM AND WHEN I SEARCHED THE INTERNET I FOUND THERE ARE HUNDREDS OF COMPLAINS FOR THE INCIDENTS LIKE THIS.

Mileage: 100,000

20140619ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S-600. THE CONTACT STATED WHILE DRIVING 55 MPH, THE INSTRUMENT PANEL WENT BLANK AND THE CONTACT WAS NOT ABLE TO SEE NEITHER THE FUEL GAUGE NOR THE SPEEDOMETER. THE CONTACT MENTIONED THAT DUE TO THE FAILURE HE RAN OUT OF FUEL. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 115,000.

Mileage: 115,000

20140619ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S-600. THE CONTACT STATED WHILE DRIVING 55 MPH, THE INSTRUMENT PANEL WENT BLANK AND THE CONTACT WAS NOT ABLE TO SEE NEITHER THE FUEL GAUGE NOR THE SPEEDOMETER. THE CONTACT MENTIONED THAT DUE TO THE FAILURE HE RAN OUT OF FUEL. THE VEHICLE HAD NOT BEEN REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE PROBLEM. THE APPROXIMATE FAILURE MILEAGE WAS 115,000.

Mileage: 115,000

20110203ENGINE AND ENGINE COOLING:ENGINE

TL* THE CONTACT OWNS A 2003 MERCEDES BENZ S600. THE CONTACT STATED THAT WHILE DRIVING 55 MPH, THE DISTRIBUTION HOSE FAILED. THE VEHICLE WAS TOWED TO THE DEALER WHERE THE CONTACT INQUIRED ABOUT NHTSA CAMPAIGN ID NUMBER: 07V263000 (ENGINE AND ENGINE COOLING) BUT HIS ADVISED THAT HIS VIN WAS NOT INCLUDED IN THE RECALL. THE MANUFACTURER WAS THEN CONTACTED AND CONFIRMED THAT THE VEHICLE WAS NOT UNDER RECALL AND OFFERED NO FURTHER ASSISTANCE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 63,988.

Mileage: 63,988

20091206SUSPENSION

MERCEDES BENZ, S-600 (MODEL 2003), IT WAS VERY DIFFICULT TO CONTROL THE CAR IN THE HIGHWAY AND THE CAR ALMOST LOST CONTROL AFTER IT'S ACTIVE BODY CONTROL (ABC) LIGHT FLASHED ON SUDDENLY IN THE DASHBOARD AND THE CAR BODY CAME DOWN GRINDING AGAINST THE WHEEL/TIRES ON 11/16/2009. THE CAR WAS SENT TO MB DEALER IN EDISON, NJ FOR REPAIRS THAT SAME DAY AND THEY FOUND THAT THE ABC HYDRAULIC FLUID HAD LEAKED OUT DUE TO CORROSION THAT HAD OCCURRED IN THE INNER STEEL PORTIONS OF THE ABC HIGH PRESSURE DISTRIBUTION HOSE ALREADY. THERE WAS A BURNING SMELL; LEAKING ABC FLUID MAY HAVE COME INTO CONTACT WITH HOT ENGINE COMPONENTS WHICH COULD HAVE CAUSED A FIRE. BUT, THE CAR DEALER MENTIONED THIS PROBLEM WAS NOT RELATED TO MB RECALL (ID # 07V263000) ISSUES. HOWEVER, I FEEL THIS ABC QUALITY PROBLEM ISSUE IS EXACTLY THE SAME AS DESCRIPTION OF THE RELATED RECALL. IF NOT, PLEASE INVESTIGATE AND CONSIDER THIS ABC SYSTEM QUALITY ISSUE FOR A NEW RECALL. NOW, THE MB CAR DEALER HAS REPLACED DEFECTIVE ABC SY

Mileage: 56,772

20091206ENGINE AND ENGINE COOLING:COOLING SYSTEM

MERCEDES BENZ, S-600 (MODEL 2003), IT WAS VERY DIFFICULT TO CONTROL THE CAR IN THE HIGHWAY AND THE CAR ALMOST LOST CONTROL AFTER IT'S ACTIVE BODY CONTROL (ABC) LIGHT FLASHED ON SUDDENLY IN THE DASHBOARD AND THE CAR BODY CAME DOWN GRINDING AGAINST THE WHEELS/TIRES ON 12/03/2009 AGAIN AFTER THE CAR'S ABC SYSTEM WAS REPLACED ON 11/19/2009 AT MB DEALER IN EDISON, NJ. I HAVE REPORTED SAFETY COMPLAINTS ON THIS CAR ABOUT ABC SYSTEM QUALITY PROBLEM (ODI NUMBER IS: 10294645). THE CAR WAS SENT TO MB DEALER IN EDISON, NJ FOR CHECKS AT SAME DAY AND THEY FOUND THAT THE ENGINE WATER PUMP DEAD AND MADE ENGINE BELT BROKEN AND ABC SYSTEM AT MALFUNCTION. I FEEL THE ABC QUALITY PROBLEM HAS AFFECTED ENGINE WATER PUMP'S QUALITY. ABC SYSTEM MALFUNCTION IS SAFETY CONSIDERATION. IT LOOKS LIKE MB HAS A INCORRECT DESIGN OF ENGINE WATER PUMP AND ABC SYSTEM FOR S-600. PLEASE INVESTIGATE AND CONSIDER THIS ISSUE FOR A NEW RECALL. THANK YOU. *TR

Mileage: 56,923

20091206SUSPENSION

MERCEDES BENZ, S-600 (MODEL 2003), IT WAS VERY DIFFICULT TO CONTROL THE CAR IN THE HIGHWAY AND THE CAR ALMOST LOST CONTROL AFTER IT'S ACTIVE BODY CONTROL (ABC) LIGHT FLASHED ON SUDDENLY IN THE DASHBOARD AND THE CAR BODY CAME DOWN GRINDING AGAINST THE WHEELS/TIRES ON 12/03/2009 AGAIN AFTER THE CAR'S ABC SYSTEM WAS REPLACED ON 11/19/2009 AT MB DEALER IN EDISON, NJ. I HAVE REPORTED SAFETY COMPLAINTS ON THIS CAR ABOUT ABC SYSTEM QUALITY PROBLEM (ODI NUMBER IS: 10294645). THE CAR WAS SENT TO MB DEALER IN EDISON, NJ FOR CHECKS AT SAME DAY AND THEY FOUND THAT THE ENGINE WATER PUMP DEAD AND MADE ENGINE BELT BROKEN AND ABC SYSTEM AT MALFUNCTION. I FEEL THE ABC QUALITY PROBLEM HAS AFFECTED ENGINE WATER PUMP'S QUALITY. ABC SYSTEM MALFUNCTION IS SAFETY CONSIDERATION. IT LOOKS LIKE MB HAS A INCORRECT DESIGN OF ENGINE WATER PUMP AND ABC SYSTEM FOR S-600. PLEASE INVESTIGATE AND CONSIDER THIS ISSUE FOR A NEW RECALL. THANK YOU. *TR

Mileage: 56,923

20090212SUSPENSION

ACTIVE BODY CONTROL FLUID LEAK. *TR

Compare 2003MERCEDES-BENZS600 to Similar Vehicles

NHTSA Investigations

View all investigations

Frequently Asked Questions

How many complaints does the 2003 MERCEDES-BENZ S600 have?
The 2003 MERCEDES-BENZ S600 has 8 NHTSA complaints, 1 crashes, 0 fires, 1 injuries, and 0 deaths reported.
What are the most common problems with the 2003 MERCEDES-BENZ S600?
The most-complained component for the 2003 MERCEDES-BENZ S600 is SUSPENSION with 4 complaints. Other frequently reported areas include ENGINE AND ENGINE COOLING:COOLING SYSTEM and ENGINE AND ENGINE COOLING:ENGINE.
Is the 2003 MERCEDES-BENZ S600 safe to buy?
Review the complaint history, crash and fire reports, safety ratings, and recall status on this page to make an informed decision. No NHTSA crash test rating is available for this model year. Compare with other model years using the links above.
Where does this data come from?
All complaint, recall, and safety rating data is sourced from the National Highway Traffic Safety Administration (NHTSA). Complaints are filed by vehicle owners through NHTSA's Office of Defects Investigation.

Vehicle Safety Guides

Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.