2009 MERCEDES-BENZ CLS-Class Problems

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Complaints Reported

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Complaints by Component

AIR BAGS

2 complaints

TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ CLS550. WHILE DRIVING 60 MPH, THE VEHICLE HYDROPLANED AND CRASHED INTO A GUARDRAIL. NONE OF THE AIR BAGS DEPLOYED. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED INJURIES TO THE SHOULDERS, NECK, AND BACK. MEDICAL ATTENTION WAS NOT REQUIRED; HOWEVER, THERAPY TREATMENTS WERE RECEIVED MONTHS LATER. THE INSURANCE COMPANY TOWED THE VEHICLE WITHOUT AN INVESTIGATION. THE VEHICLE WAS NOT INSPECTED BY A DEALER. THE MANUFACTURER ISSUED ONE TSB, BUT THERE WAS NO MANUFACTURER AIR BAG RECALL. THE MANUFACTURER WAS NOT AWARE OF THE FAILURE, BUT WAS NOTIFIED MONTHS LATER. THE FAILURE MILEAGE WAS NOT AVAILABLE.

Oct 31, 2017

Crash: 1

Injuries: 1

AIRBAGS DID NOT DEPLOY WITH CRASH IN 2009 CLK 550 MERCEDES. IMPACT WAS AT 50 MILES PER HOUR AND STRUCK THE FRONT DRIVERS SIDE BUMPER. THE BUMPER WAS ON THE GROUND AND THE ALUMINUM FRAME BENT. RESTRAINED BY SEAT BELT, MY DAUGHTER'S HEAD STRUCK THE STEERING WHEEL AND SUFFER FROM WHIPLASH. PLEASE NOTE THAT THIS VEHICLE IS A CLK 550 NOT A CLS - THERE WAS NOT AN OPTION TO PICK THE VEHICLE. *TR

Sep 18, 2008

Crash: 1

Injuries: 1

SUSPENSION

1 complaint

THE ISSUES REGARDING THE MERCEDES AIRMATIC SUSPENSION SYSTEM HAVE BEEN WIDELY KNOWN FOR YEARS, AND MERCEDES NEVER MADE AN EFFORT TO MITIGATE THE MERCEDES LOYAL OWNERS EXCESSIVE EXPENSE TO COVER THE REPAIR. IT IS ALSO HARD TO BELIEVE THE DEALER NEVER INFORMED, INSPECTED OR RECOMMENDED REPAIRS TO THE AIRMATIC SYSTEM. IT TOOK BREAKING DOWN OFF THE HIGHWAY WITH MY CHILDREN IN THE CAR TO DISCOVER THIS PROBLEM. THE SUSPENSION FAILED AND THE CAR COULD NOT BE DRIVEN. A A TOW WAS NECESSARY AND A HUGE REPAIR BILL FOLLOWED.

Apr 27, 2017

TIRES

1 complaint

TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ CLS550 EQUIPPED WITH SENTRY THUNDER D7 TIRES, SIZE: 275/30/R20. THE CONTACT STATED THAT THE REAR TIRES EXHIBITED THREAD SEPARATION. THE DEALER DETERMINED THAT IT WAS DUE TO A MANUFACTURER DEFECT. THE TIRES WERE REPLACED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS APPROXIMATELY 68,000 AND THE TIRE FAILURE MILEAGE WAS APPROXIMATELY 15,000.

Oct 12, 2016

POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM

1 complaint

ON MAY 19, 2014 I PURCHASED A 2009 MERCEDES CLS550 FROM MOSSY FORD DEALERSHIP IN SAN DIEGO, CA WITH A GUARANTEE OF NO CURRENT OR PRE-EXISTING MECHANICAL OR HAZARD ISSUES. DAYS AFTER PURCHASE I NOTICED ACCELERATION ISSUES, STRONG ODOR OF FUEL OR CHEMICALS, ENGINE NOISE AND GAS EFFICIENCY PROBLEMS. I CONTACTED THE DEALERSHIP AND ASKED TO RETURN THE VEHICLE AND ALSO CANCEL THE SALES CONTRACT BUT WAS DENIED. I WAS ASKED TO BRING IN THE VEHICLE AND THE GAS TANK WAS FILLED BY THE DEALERSHIP STATING THAT PROBLEMS WERE LIKELY CAUSED BY LOW FUEL AS THE CAR WAS PURCHASED WITH 1/4 TANK OF FUEL. THIS DID NOT FIX THE ISSUES. I ATTEMPTED TO CANCEL PAYMENT AND ASKED TO RETURN THE VEHICLE DUE TO CONTINUED ISSUES AND WAS AGAIN DENIED. DUE TO THE VEHICLE MECHANICAL FAULTS WHEN PURCHASED DIRECT EXPOSURE OF FATAL CARBON MONOXIDE POISONS AND HARMFUL GAS EMISSIONS FROM THE MERCEDES CAUSED SEVERE ILLNESS AND LIFE THREATENING SYMPTOMS INCLUDING HEADACHES, DIZZINESS, NAUSEA, FATIGUE, AND FEVER THAT QUICKLY ESCALATED TO MAJOR HEALTH PROBLEMS FOR MY FAMILY INCLUDING MY THREE MINOR CHILDREN. THE DEALERSHIP KNEW THE VEHICLE WAS UNSAFE AND FAULTY BUT FAILED TO DISCLOSE. THE VEHICLE FAILED THE CALIFORNIA EMISSIONS TEST RIGHT BEFORE PURCHASE FOLLOWED BY A PASSING TEST THE SAME DAY. THE SERVICE REPAIR HISTORY SHOWS THE CURRENT PROBLEMS HAVE BEEN ONGOING CONCERNS. ON JUNE 25, 2014 MY MINOR SON WAS NEAR DEATH AND ADMITTED TO THE CHILDREN'S HOSPITAL CRITICAL CARE UNIT WITH NAUSEA,VISION PROBLEMS, EYES SUNK IN, VOMITING, HEADACHES, EXTREME WEIGHT LOSS, FATIGUE, EXCESSIVELY HIGH BLOOD SUGAR READING OVER 800, PANCREAS DAMAGE/FAILURE, BREATHING PROBLEMS, DEHYDRATION, DIZZINESS AND UNCONSCIOUSNESS, HEMOGLOBIN, MYOGLOBIN AND BETA CELL DAMAGE, FEVER,CHILLS, CHEST PAIN, BRAIN MALFUNCTION, SEIZURE, HYPOXIA, KEYSTONES, CARBOXYHAEMOGLOBIN AND TOXINS IN BLOOD. THE VEHICLE SOLD IS A HEALTH AND SAFETY HAZARD. *TR

Jul 25, 2014

Injuries: 5

ELECTRICAL SYSTEM,EXTERIOR LIGHTING,SERVICE BRAKES

1 complaint

I RECEIVED A WARNING ON MY DASHBOARD THAT MY REAR TAIL LIGHT BLINKER WAS NOT FUNCTIONING CORRECTLY. THE PASSENGER SIDE BLINKER WAS NOT FUNCTIONING CORRECTLY. UPON TESTING THE HAZARD LIGHTS THE BLINKER WAS CORRECTING AND AFTER RESTARTING THE CAR THE LIGHT FUNCTIONED CORRECTLY. 2 WEEKS LATER I RECEIVED THE SAME ERROR AGAIN, TURNING OFF AND ON THE CAR DID NOT CORRECT THE ISSUE. UPON OPENING THE TRUNK AND INSPECTING THE LIGHT I NOTICED THE TOP BROWN WIRE THAT WAS ATTACHED TO THE TAIL LIGHT HARNESS WAS BLACKENED AND BURNED AS IF THE WIRE WAS OVERHEATING AND EFFECTING OR BURNING THE HARNESS. THE TAIL LIGHT STILL INTERMITTENTLY WORKS ON AND OFF HOWEVER THE BLACKENED WIRES ARE A CONCERN TO ME THAT IT COULD BECOME A FIRE HAZARD. *TR

Jul 18, 2013

4.4/5.0

31 reviews

Frequently Asked Questions

How many problems does the 2009 MERCEDES-BENZ CLS-Class have?

The 2009 MERCEDES-BENZ CLS-Class currently has 6 owner-reported complaints according to NHTSA database. These complaints are organized by component to help identify common issues.

What are the most common problems with 2009 MERCEDES-BENZ CLS-Class?

The most common problems reported for the 2009 MERCEDES-BENZ CLS-Class are organized by component above. Each component section shows owner-reported issues, crash reports, and fire incidents to help identify patterns and problem areas.

Where does this 2009 MERCEDES-BENZ CLS-Class problem data come from?

All problem and complaint data for the 2009 MERCEDES-BENZ CLS-Class comes directly from the National Highway Traffic Safety Administration (NHTSA) database. These are real complaints submitted by actual vehicle owners.