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
2012 / mercedes-benz / cls-class
known issues
5 clusters (reviewed 2026-09-10)
complaints
24 on file (2012-08-29 → 2025-10-05)
recalls
0
investigations
0
fars
3 occupant deaths, crash years 2010-2024 (legacy-code)
Fuel tank sending unit crack and leakFUEL/PROPULSION SYSTEM8 complaints2018-09 → 2025-10cls-class-2012-fuel-tank-sender-leak
11130069 "FUEL LEAKING FROM GAS TANK" AFTER SMELLING A STRONG FUEL SMELL BOTH INSIDE AND OUT SIDE MY VEHICLE I TOOK TO MERCEDES 9/17/18 TO SEE IF THEY KNEW OF THE ISSUE OF IF THERE WAS SOME TYPE OR RECALL ON MY VEHICLE REGARDING A FUEL ISSUE
11676483 There is a strong odor of gasoline coming from the drivers side rear. I conducted a Google search on the issue and there are a lot of instances of the same thing. It appears to be the Gas Tank Sending Unit, they have a tendency to crack and leak
11649224 I have Mercedes Benz CLS 550. Whenever I fill up a tank full, I smell gas in the CAR and in my garage. After researching the cause of this issue , I found its a common issue with Mercedes Benz older vehicles where the fuel sender unit cracks and start leaking Gas which is
Camshaft position sensor oil leak into wiring harnessELECTRICAL SYSTEM, ENGINE3 complaints2018-08 → 2020-12cls-class-2012-camshaft-sensor-oil-leak
11383783 CAM LINK SENSOR LEAKS OIL ONTO ENGINE HARNESS, FRYING ALL ELECTRIC COMPONENTS, CAUSING VEHICLE TO STUTTER WHILE OPERATING
11320626 ENGINE STARTED MISFIRING AND WOULD GO INTO LIMP MODE SO I BROUGHT IT TO DEALERSHIP FOR DIAGNOSTIC AND WAS TOLD OIL WAS LEAKING FROM THE CAMSHAFT SENSORS INTO THE ENGINE WIRING HARNESS AND ECU. ALL OF WHICH NEEDED TO BE REPLACED AT A COST OF OVER $6033.00 AND THE CAR HAS ONLY
11122317 DRIVING ON THE HIGHWAY WITH MY 6MONTH OLD BABY AND SUDDENLY MY CAR SURGES AND LOSES POWER. THE CHECK ENGINE LIGHT FLASHES AND I MOVE TO THE SIDE OF THE ROAD WITH ALMOST NO ACCELERATION. TURN OFF THE ENGINE, WAIT A WHILE THEN TURN IT BACK ON AND HEAD BACK HOME. THE CEL STAYED ON
Sunroof glass and windshield visibility failuresVISIBILITY4 complaints2022-03 → 2023-09cls-class-2012-sunroof-glass-visibility-failure
11543426 The contact owns a 2012 Mercedes-Benz CLS550. The contact stated while driving at an undisclosed speed, the sunroof exploded. The vehicle was not diagnosed or repaired by an independent mechanic or dealer. The manufacturer was not made aware of the failure. The approximate
11544104 The contact owns a 2012 Mercedes-Benz CLS550. The contact stated that while driving at an undisclosed speed, upon adjusting the sun visor, the sun visor detached, compromising driving visibility. The vehicle was taken to the dealer and the contact was informed that the sun visor
11638910 The vehicle sunroof exploded while traveling on the interstate. Stopped and inspected the vehicle to find no impact objects inside the vehicle. Later reviewed online that this was a common problem with this modern Mercedes and the item is already under recall but not my year. I
Rear subframe corrosion and perforationSUSPENSION3 complaints2022-12 → 2025-10cls-class-2012-rear-subframe-corrosion
11691475 Mercedes-Benz offers an extended warranty, effectively a 20-year/unlimited mileage coverage, for the rear subframe due to corrosion with perforation, covering specific model years my vehicles make and model are included. I’m having the issues they claim free repair for
11497585 The rear subframe rusted from the inside out causing structural failure of the subframe. This lead to twisting of the chassis under hard braking causing difficulty in controlling the vehicle. As you can imagine, controlling a vehicle when needing to abruptly stop is very
11611787 Premature rusting on brake and fuel lines which lead to further issues with driveability and saftey. This us caused by the same defects leading to the Premature rust on the subframe that can cause a serious wreck on the interstate
Brake and steering loss of control at speedSTEERING, SERVICE BRAKES2 complaints2012-08 → 2012-10cls-class-2012-brake-steering-loss-of-control
10478737 WHILE DRIVING 45 MPH, THE BRAKES WERE APPLIED HOWEVER, THE VEHICLE WOULD NOT DECELERATE. IN ADDITION, THE STEERING WHEEL SEIZED SIMULTANEOUSLY AND THE CONTACT LOST CONTROL OF THE VEHICLE. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSIS. T THE MANUFACTURER HAS BEEN CONTACTED
10472927 TL* THE CONTACT OWNS A 2012 MERCEDES BENZ CLS550. THE CONTACT STATED THAT WHILE DRIVING 45 MPH, THE BRAKES WERE APPLIED HOWEVER, THE VEHICLE WOULD NOT DECELERATE. IN ADDITION, THE STEERING WHEEL SEIZED SIMULTANEOUSLY AND THE CONTACT LOST CONTROL OF THE VEHICLE. THE VEHICLE WAS
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). 2012 Mercedes-Benz CLS-Class vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2012/mercedes-benz/cls-class
@misc{wrenchpro_2012_mercedes_benz_cls_class_2026,
author = {Wrench.Pro},
title = {Wrench.Pro vehicle data: 2012 Mercedes-Benz CLS-Class},
year = {2026},
howpublished = {\url{https://www.wrench.pro/data/vehicles/2012/mercedes-benz/cls-class}},
note = {Derived from NHTSA public records. CC BY 4.0.}
}
