Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.
vehicle
2009 / mercedes-benz / c-class
known issues
7 clusters (reviewed 2026-09-20)
complaints
670 on file (2008-11-02 → 2026-07-04)
recalls
0
investigations
0
fars
53 occupant deaths, crash years 2010-2024 (legacy-code)
Rear subframe corrosion and structural failureSTRUCTURE49 complaints2018-04 → 2025-10c-class-2009-rear-subframe-corrosion
11692899 Vehicle inspection by independent service center indicated that a new rear frame was necessary. This was the second communication to nhtsa on this issue. This automobile (2009 c300) is inoperable due to this Mercedes rear frame defect
11470542 Rear subframe rusted through near connection with control arm. This left the rear wheel connected to the rest of the car only through an axle and sway bar. This is a very common issue on these vehicles, and was remedied through the replacement of the subframe
11408236 REAR SUB FRAME CRACKED - CAUSING VEHICLE SHAKE AT HIGHWAY SPEED
11612908 Rear brake lines corroded leading to loss of brake fluid while on the road
11474434 2009 MERCEDES BENZ C300. CONSUMER WRITES IN REGARD TO PROBLEM WITH BRAKES. THE CONSUMER STATED THE MOISTURE CAUSED CORROSION IN THE BRAKE BOOSTER. THE CONSUMER REFERENCED NHTSA CAMPAIGN NUMBER 22V315. THE VEHICLE WAS REPAIRED
11631965 Went to the Mercedes dealership service department to replace the rear subframe that suddenly broke while I was driving due to extreme rust/corrosion
Electronic steering lock and ignition switch failureSTEERING35 complaints2017-11 → 2025-06c-class-2009-electronic-steering-lock-failure
11064500 TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ C300. WHEN STARTING THE VEHICLE, THE STEERING WHEEL LOCKED IN PLACE ON NUMEROUS OCCASIONS. THERE WERE NO WARNING INDICATORS ILLUMINATED PRIOR TO THE FAILURES
11048098 09 MERCEDES C300 THIS IS A VERY COMMON PROBLEM AFTER 80K MILES THE SOLUTION TO THIS PROBLEM IS TO REPLACE CAR NEEDS A NEW ELECTRONIC STEERING LOCK (ESL SO THEY MAKE A RECALL
11326438 MY CAR EVERY SO OFTEN WON?T START BATTERY IS GOOD STARTER IS GOOD JUST DOES NOTHING HAPPENED OVER 10X HAD IT TOWED TO 5 MECHANICS SHOPS AND MERCEDES CAN?T DIAGNOSE PROBLEM BECAUSE AFTER A DAY MAYBE TWO SOMETIMES 4 OR 5 THE CAR WILL JUST START UP ON ITS OWN
11193879 TL* THE CONTACT OWNED A 2009 MERCEDES-BENZ C300. WHILE DRIVING 35 MPH, THE CONTACT'S VEHICLE CRASHED INTO THE SIDE OF ANOTHER VEHICLE. THE AIR BAGS DEPLOYED AND SHRAPNEL FROM THE AIR BAGS CAUSED CUTS TO THE CONTACT'S ARM AND FACE. MEDICAL ATTENTION WAS RECEIVED
11085016 I HAVE BEEN WAITING FOR OVER A YEAR TO GET MY AIR BAGS REPLACED AT FORT PIERCE MERCEDES, AND THEY KEEP TELLING ME I HAVE TO WAIT LONGER. I AM CONCERNED ABOUT MY SAFETY AND I CANNOT EVEN SELL MY CAR TO BUY A SAFE CAR
11048446 TAKATA RECALL. YET TO BE FIXED
Tail lamp connector oxidation and lighting failureELECTRICAL SYSTEM, EXTERIOR LIGHTING, UNKNOWN OR OTHER12 complaints2017-12 → 2026-07c-class-2009-tail-lamp-connector-failure
11634323 Check Right Tail and Brake Lamps warning light will not go off for months. They are working fine but the light won't go off
11612678 Headlight harness on drivers and passenger side is melting and my lights are flickering. I was advised to night drive my vehicle at night, because it could start an electrical fire. This is caused by heat from the lights
11051771 TL* THE CONTACT OWNS A 2009 MERCEDES-BENZ C300. THE CONTACT STATED THAT THE WIRE CONNECTING THE TAIL LIGHT ON THE DRIVER'S SIDE MELTED AND CAUSED THE TAIL LIGHT NOT TO WORK. THE TAIL LIGHT, BLINKER, AND BRAKE WARNING INDICATORS ILLUMINATED
Coolant loss and stall linked to Campaign 22V168ENGINE AND ENGINE COOLING, EXTERIOR LIGHTING, ELECTRONIC STABILITY CONTROL (ESC)4 complaints2022-07 → 2023-09c-class-2009-coolant-loss-stall
11519341 The contact owns a 2009 Mercedes-Benz C300. The contact stated while driving approximately 65 MPH, the instrument cluster started flickering and the vehicle stalled. The contact stated that the power steering and brakes were operable
11544500 The contact owns a 2009 Mercedes-Benz C300. The contact stated that the coolant warning light was frequently illuminated due to low coolant
11545780 The contact owns a 2009 Mercedes-Benz C300. The contact stated while driving at an undisclosed speed, she became aware that the coolant level was low. The contact added coolant to the reservoir. The contact stated that the coolant reservoir burst open
Headrest airbag inflator deployment while drivingSEATS4 complaints2018-03 → 2021-05c-class-2009-headrest-airbag-deployment
11416462 WHILE DRIVING DOWN THE HIGHWAY, AT A LITTLE OVER 50 MPH, WITH MY CHILDREN IN THE CAR, THE DRIVER SIDE HEADREST NECK RESTRAINT SUDDENLY DEPLOYED. I FELT LIKE I WAS PUNCHED IN THE BACK OF THE HEAD AND IT COULD HAVE CAUSED AN ACCIDENT
11308062 HEAD REST BOTH ON PASSENGER AND DRIVER FRONT SEATS IMPLODED WITHOUT WARNING, WITHOUT INCIDENT. I WAS NOT STRUCK BY A VEHICLE AND I DID NOT BACK INTO ANY OBJECT
10898815 2009 MERCEDES BENZ C300. CONSUMER WRITES IN REGARDS TO PART OF THE SRS CONTROL UNIT MODULE WAS REPAIR, HEAD REST UNIT DEPLOYED WHILE DRIVING AND REPLACEMENT PARTS NOT AVAILABLE TO REPAIR AIRBAG RECALL. *SMD *TR
FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.
Cite this
Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.
Wrench.Pro (2026). 2009 Mercedes-Benz C-Class vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2009/mercedes-benz/c-class
@misc{wrenchpro_2009_mercedes_benz_c_class_2026,
author = {Wrench.Pro},
title = {Wrench.Pro vehicle data: 2009 Mercedes-Benz C-Class},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/vehicles/2009/mercedes-benz/c-class}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}
