Owner-reported issues — NHTSA
289 complaints filed with the National Highway Traffic Safety Administration for the V251 across model years 2006–2012. Federal public records, updated weekly.
| AIR BAGS | 40 reports |
| SUSPENSION | 37 reports |
| ENGINE | 28 reports |
| SERVICE BRAKES | 22 reports |
| ELECTRICAL SYSTEM | 21 reports |
| STEERING | 18 reports |
| POWER TRAIN | 12 reports |
| HYDRAULIC | 11 reports |
Selected owner reports
2006 · STEERING
The contact owns a 2006 Mercedes-Benz R500. The contact stated that while driving at an undisclosed speed, she became aware that the power steering was not functioning, after which the vehicle lost all power. The contact was able to coast to the shoulder of the roadway, where the vehicle failed to restart. After a visual inspection of the engine compartment, the contact observed an unknown fluid covering various components. The check engine warning light was illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the power steering pump. The vehicle was repa
2006 · SUSPENSION
My 2006 R-500 is leaning from the (front and back) passenger side, causing the vehicle to be unsecure to drive... It feels like both side tires are TOTALLY FLAT. I'm not a mechanic, but it looks like the AIR SUSPENSION IS MALFUNTION
2006 · SERVICE BRAKES
The contact owns a 2006 Mercedes-Benz R500. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic). The contact stated that while driving at an undisclosed speed, the brake pedal was depressed and went to the floorboard. The dealer was made aware of the failure and informed the contact that a technician would arrive to his residence to inspect the brake booster and, if necessary, replace the brake booster. The vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 117,000.
2006 · SERVICE BRAKES
The contact owns a 2006 Mercedes-Benz R350. The contact received notification of NHTSA Campaign Number: 22V315000 (Service Brakes, Hydraulic) however, the part to do the recall repair was not yet available. The dealer was made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure. Parts distribution disconnect
2006 · STEERING
I was purchasing a 2006 Mercedes Benz R500 Black on November 3,2021, VIN: [XXX]. in the process of driving the vehicle less than ten miles, part of the part of transmission case broke off. The steering was hard to turn and this is a Salvage vehicle. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
2006 · UNKNOWN OR OTHER
AS I WAS DRIVING DOWN THE HIGHWAY I PRESSED ON GAS PEDAL AND VEHICLE MADE A VERY LOUD CHAIN WHINE NOISE AND IT CUT OFF IN THE MIDDLE OF HIGHWAY AND NEVER STARTED BACK UP.
2006 · ELECTRICAL SYSTEM
AS PER RECALL#2006040002 IS THE EXACT PROBLEM I AM HAVING NOW. THE STARTER WIRING HARNESS IS DEFECTIVE AND EXPOSED, AND CAR IS DISABLED AT MERCEDES MECHANIC SITE. MBUSA SAYS IT IS ONLY TO CERTAIN R500S AND VIN SPECIFIC. I AM CONFUSED SINCE THIS IS LIMITED PRODUCTION.
2006 · STEERING
MY ABS MY EESP MY BRAKE LIGHT AND CHECK ENGINE LIGHT MINE ANYWAYS THE WHOLE CLUSTER IS GOING CRAZY IT'S HARD TO SHIFT DOWN WHEN I'M COMING TO A STOP NOT ALL THE TIME BUT JUST SOMETIMES SO I GOT A MIND OF ITS OWN MY SPEEDOMETER GOES UP AND DOWN IT SAYS CHECK MY TIRE PRESSURE WHEN IT'S GOOD MY SRS LIGHT COMES ON MY BRAKES LIGHTS COMES ON IT SAYS DIONOSTIC RIG TEST, ABS LIGHT SAYS DIONOSTIC RIG TEST, ESPECIALLY LIGHT SAYS DIONOSTIC RIG TEST. BRAKE LIGHT FLASHES ON AND OFF AND A CONTINUOUS BEEBING. IT ALSO SAYS DO NOT CHANGE GEARS DRIVE TO WORK SHOP.$ YOUR PAPER WILL NOT ALLOW ME TO CHECK OTHER BO
2006 · SERVICE BRAKES
MERCEDES 2006 WHEN I BRAKE THE CAR WILL KEEP GOING. SUDDEN ACCELERATION. THIS HAS HAPPEN TWICE AND I HAVE NOT OWNED THE CAR FOR A YEAR. I COULD KILL SOMEONE. TOOK IT TO DEALER AND THREE DIFFERENT SHOPS AND NO ONE KNOWS WHAT I'M TALKING ABOUT HELP
2006 · ELECTRICAL SYSTEM
AFTER DIAGNOSTICS FOUND THAT THE FRONT SAM HAD BEEN UNDER WATER SHORTING THE SAM AND ALMOST CAUSING VEHICLE TO CATCH FIRE. WOULD NEED THE FRONT SAM AND WIRING REPAIR ALONG WITH CONNECTOR REPLACEMENT TO MOVE FORWARD WITH DIAGNOSTIC. THE WATER IS COMING FROM THE FIREWALL ON THE PASSENGER SIDE. WAS AT WORK HAD TO LEAVE IT AT MY JOB BECAUSE IT WOULDN'T START SO THE NEXT DAY I HAD TO HAVE IT TOWED.
2006 · WHEELS
COMPLAINT IS DIRECTED TO
[email protected] IN FOREST GROVE, OREGON. AT TIME OF PURCHASE, TIRES WERE TOTALLY WORN AND DEALER AGREED TO NEW TIRE REPLACEMENT. SUBSEQUENT EVENT REVEALED REPLACEMENT TIRES WERE NOT NEW AND HAD PREVIOUSLY BEEN IMPROPERLY REPAIRED. IN ADDITION, LOAD FACTOR WAS BELOW MINIMUM MANUFACTURERS RATING AND UNSAFE. DEALER REFUSED TO REIMBURSE COST OF NEW AND CORRECT REPLACEMENT TIRES.
2006 · AIR BAGS
TL* THE CONTACT OWNS A 2006 MERCEDES-BENZ R350. WHILE SITTING IN THE VEHICLE AND WAITING TO CHANGE A FLAT TIRE, THE PASSENGER AND DRIVER SIDE AIR BAGS DEPLOYED INADVERTENTLY. THE VEHICLE HAD NOT BEEN INVOLVED IN A CRASH. THERE WERE NO INJURIES. THE CONTACT STATED THAT THE AIR BAG WARNING INDICATOR WAS ILLUMINATED PRIOR TO THE FAILURE. THE DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 117,000.
Source: NHTSA consumer complaint database · synced 2026-09-21