MERCEDES-BENZ CLK350 · model year

2007 MERCEDES-BENZ CLK350

50 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2007MERCEDES-BENZCLK350 carries 50 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, 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 2007 CLK350 is fuel/propulsion system with 13 filings, followed by air bags (7) and power train (5). 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 2007 CLK350. 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.

50
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths

Total Complaints

50 filings

Crashes Reported

0 reports

Source

NHTSA ODI

Federal complaints database

Complaints vs. fleet median (215)

At or below the fleet median complaint volume.

Complaints by Component

ComponentCount
FUEL/PROPULSION SYSTEM13
AIR BAGS7
POWER TRAIN5
VEHICLE SPEED CONTROL4
ELECTRICAL SYSTEM4
ENGINE4
STRUCTURE:BODY2
VISIBILITY:SUN/MOON ROOF ASSEMBLY2
SEATS:FRONT ASSEMBLY:HEAD RESTRAINT1
SEATS1
SEAT BELTS1
POWER TRAIN:AUTOMATIC TRANSMISSION1
FUEL SYSTEM, GASOLINE1
UNKNOWN OR OTHER1
VISIBILITY/WIPER1

Recent Complaints

20250324AIR BAGS

The contact owns a 2007 Mercedes-Benz CLK350. The contact stated while driving 10-15 MPH and making a turn, the contact became aware of an abnormal sound, and the driver's side roof air bags and driver's side door air bag inadvertently deployed. The contact was able to drive to the residence. The contact's neighbor later informed the contact that the rear driver's side tire was flat. The contact inspected the tire and noticed a blowout of the sidewall. The vehicle was towed to Costco, where the tire was replaced. The manufacturer was notified of the failure and referred the contact to the dealer for diagnostic testing. The vehicle was taken to the dealer. The contact stated that he had not been provided the diagnostic test information. The vehicle was not repaired. The manufacturer advised the contact to be patient. No further assistance was provided. The failure mileage was approximately 189,000.

Mileage: 189,000

20230508STRUCTURE:BODY

The glued seam on the convertible top has come unglued above the back window. The car has been garage kept and only has 66,000 miles. When riding down the road, I am afraid the top may continue to peel back and try to come loose. This isn't only a safety concern, it is a security concern, and protection from weather. It seems to be a known issue in the Mercedes forums.

20230421EXTERIOR LIGHTING:TAIL LIGHTS

The contact owns a 2007 Mercedes-Benz CLK350. The contact stated that while operating the vehicle, the rear taillights became inoperable and would not illuminate as designed. The cause of the failure was not yet determined. The local dealer and manufacturer were made aware of the failure, but no assistance was offered. The failure mileage was 49,000.

Mileage: 49,000

20210329AIR BAGS

SRS LIGHT COMES ON. HAD VEHICLE SCANNED AND APPEARS TO BE THE PASSENGER SIDE AIR BAG BUT DOESN'T SAY WHICH ONE. AFTER DELETING THE CODE, THE LIGHT STAYS OFF UNTIL SOMEONE RIDES WITH ME. ONCE THEY GET OUT THE LIGHT COMES ON. THE DIGITAL RING ON THE DASH THAT IS ASSOCIATED WITH THE CRUISE CONTROL FLASHES IN SECTIONS AND INTERMITTENTLY. CANNOT FIND ANY CODE OR REASON FOR THIS PROBLEM ANYWHERE. NOT INTERNET AND NO CODE STORED.

Mileage: 145,223

20210329VEHICLE SPEED CONTROL

SRS LIGHT COMES ON. HAD VEHICLE SCANNED AND APPEARS TO BE THE PASSENGER SIDE AIR BAG BUT DOESN'T SAY WHICH ONE. AFTER DELETING THE CODE, THE LIGHT STAYS OFF UNTIL SOMEONE RIDES WITH ME. ONCE THEY GET OUT THE LIGHT COMES ON. THE DIGITAL RING ON THE DASH THAT IS ASSOCIATED WITH THE CRUISE CONTROL FLASHES IN SECTIONS AND INTERMITTENTLY. CANNOT FIND ANY CODE OR REASON FOR THIS PROBLEM ANYWHERE. NOT INTERNET AND NO CODE STORED.

Mileage: 145,223

20210217VISIBILITY:SUN/MOON ROOF ASSEMBLY

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ CLK350. THE CONTACT STATED THE BONDING BETWEEN THE GLASS PANEL AND THE SLIDING ROOF FRAME DETERIORATED WHICH RESULTED IN THE TWO PARTS SEPARATING. THE CONTACT SPOKE TO THE LOCAL DEALER MERCEDES-BENZ OF LONG BEACH (2300 E SPRING ST, SIGNAL HILL, CA 90755, (562) 374-7759) WHERE IT EXPLAINED OVER THE PHONE THAT THE DEALER WAS NOT GOING TO SERVICE THE VEHICLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS INFORMED OF THE FAILURE AND INFORMED THE CONTACT THAT THE DEALER HAD TO REPAIR THE RECALL. THE FAILURE MILEAGE WAS APPROXIMATELY 200,835.

Mileage: 200,835

20201113FUEL/PROPULSION SYSTEM

WHEN I FILL THE GAS TANK, THERE IS A VERY STEONG SMELL OF FUEL INSIDE AND OUTSIDE OF THE CAR. THE SMELL IA THERE UTIL AT LEAST HALF THE TANK IS USED. THE SAME PROBLEM HAS BEEN WITH "E" SERIES. MB ISSUED A RECALL. HOWEVER, THE DEALERSHIP TELLS ME THERE IS NO RECALL FOR 2007 CLK350 EVENTHOUGH SAME PARTS ARE USED TO DELIVER THE FUEL.

20200906AIR BAGS

AIRBAG PROBLEM LIGHT KEEPS COMING ON. NOT SHORE IF AIRBAG WILL WORK WHEN NEEDED

20200630AIR BAGS

SHOWING DRIVER SIDE AIRBAG DEFECTIVE

Mileage: 89,000

20200629ENGINE

TL* THE CONTACT OWNS A 2007 MERCEDES BENZ CLK350. THE CONTACT STATED THAT WHILE DRIVING AT AN UNDISCLOSED SPEED, THE CHECK ENGINE SENSOR LIGHT ILLUMINATED AND REMAINED ILLUMINATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHO REPLACED THE INTAKE MANIFOLD, CAM SHAFT SENSOR AND VALVES HOWEVER, THE CHECK ENGINE WARNING LIGHT REMAINED ILLUMINATED. THE DEALER AND MANUFACTURER WERE NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 136,000.

Mileage: 136,000

20200605TIRES

TIRE SEPARATED FROM OUTER WALL ON MAJOR HIGHWAY. I WAS LUCKY TO BE ABLE TO PULL OVER AND STOP .WHEN I DID TIRE ROLLED OFF OF CAR IN FRONT OF ME DOWN THE ROAD. *TR

Mileage: 94,435

20200528FUEL/PROPULSION SYSTEM

WHEN I FILL MY CAR UP I CAN SMELL GAS IN MY GARAGE. ONCE I DRIVE IT FOR A WHILE AND IT GETS BELOW A HALF TANK OR SO I DON'T SMELL THE GAS ANYMORE. I AM WORRIED THAT THE GAS SMELL IN THE GARAGE MADE SOME FUMES INTO MY HOUSE AND THIS IS A SAFETY ISSUE. I SEE SOME MODELS OF MERCEDES HAVE BEEN RECALLED FOR THIS REASON. I WOULD LIKE MERCEDES TO RECALL AND REPAIR THIS AT NO CHARGE TO ME. APPARENTLY MERCEDES COVERS MODEL YEAR 2003 TO 2009 ON THE E CLASS IN 2006 TO 2011 ON THE CLS CLASS. I AM HAVING THE EXACT SAME ISSUE. *BF *TR *TR

20200508VISIBILITY/WIPER

TL* THE CONTACT'S PARTNER OWNS A 2007 MERCEDES-BENZ CLK350. THE CONTACT STATED WHILE HIS PARTNER WAS DRIVING 65 MPH, THE SUN ROOF SHADE DETACHED FROM THE VEHICLE AND FELL ONTO THE ROADWAY. THE VEHICLE WAS TAKEN TO MERCEDES-BENZ OF SAN FRANCISCO LOCATED AT 500 8TH ST, SAN FRANCISCO, CA 94103, TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE SUN SCREEN ASSEMBLY NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT STATED THAT THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 19V918000 (VISIBILITY). THE MANUFACTURER HAD NOT BEEN INFORMED OF FAILURE. THE FAILURE MILEAGE WAS 155,000.

Mileage: 155,000

20200125FUEL/PROPULSION SYSTEM

BOUGHT THE VEHICLE AT 42K MILES 3 YEARS AND IT SMELLS FUEL INSIDE THE VEHICLE AND THE GARAGE FOR A COUPLE OF DAYS ON EACH TANK FILL UP. IT SMELLS SO BAD I HAVE LEAVE THE GARAGE DOOR OPEN SOMETIMES SO THAT MY HOUSE DOES NOT CATCH FIRE ALONG THE VEHICLE. SEARCHED ONLINE A LOT OF OWNERS OF THE SAME VEHICLE HAVE THE SAME COMPLAINT.

Mileage: 42,000

20200125POWER TRAIN

VEHICLE WOULD BE STOCK ON 1ST OR 3RD GEAR WITHOUT ANY ERROR CODE ENGINE LIGHT OR TRANSMISSION LIGHT ON. THAT CAN HAPPEN ANYTIME. ON TAKE OFF AT RED LIGHT OR CRUISING ON 5TH 6TH OR 7TH SHIFT. THIS IS AN AUTOMATIC TRANSMISSION WITH NO MECHANICAL ISSUES. I AM GUESSING IT IS A SOFTWARE ISSUE. VERY DANGEROUS IN TRAFFIC OR HIGH SPEED HIGHWAY BECAUSE THE VEHICLE STALLS UNINTENTIONALLY. A RESTART OF VEHICLE FIXES THE ISSUE.

Mileage: 50,000

20180917FUEL/PROPULSION SYSTEM

STRONG SMELL OF FUEL FROM REAR LEFT SIDE OF VEHICLE AFTER FILL UP. FUEL PUDDLE FOUND UNDER REAR PASSENGER SEAT UNDER FUEL TANK ACCESS PANEL. LEFT SIDE FUEL PUMP (FUEL FILTER/SENDER) FOUND CRACKED AND LEAKING AT THE NIPPLE TO THE OUTGOING GAS LINE. THIS IS A COMMON FAILURE FOR 10 YEAR OLD E AND C CLASS MERCEDES AND IS PART OF A MERCEDES EXTENDED WARRANTY PROGRAM TO CORRECT THIS EXACT PROBLEM. HOWEVER, MERCEDES TELLS ME THAT MY CLK IS NOT PART OF THE WARRANTY EXTENSION.

Mileage: 66,000

20180222FUEL/PROPULSION SYSTEM

AFTER FILLING GAS TANK STRONG GAS SMELL AROUND CAR SPECIALLY IN THE GARAGE NO VISIBLE FUEL LEAK.NO FUEL SMELL IN THE CAR ONLY OUTSIDE BY REAR WHEELS.NOT IN MOTION ,

Mileage: 103,000

20180212FUEL/PROPULSION SYSTEM

GASOLINE FUMES ARE INSIDE AND OUTSIDE THE VEHICHLE AFTER FILLING THE TANK. MERCEDES AGREED TO WARRANTY THIS ISSUE FOR 15 YEARS ON THE E-CLASS AND CLS-CLASS IN EA 13-003. THESE COMPONENTS ARE THE SAME ON THIS MODEL (CLK). THE INVESTIGATION SHOULD BE REOPENED AND INCLUDE ALL EFFECTED MODELS.

Mileage: 122,754

20171029ENGINE

EVERY MERCEDES FROM THE YEAR 2005-2008 WITH THE M272 V6 ENGINE AND M278 V8 ENGINE GETS A CODE CALLED P0016-P0017 WITCH IS THE RIGHT HAND SIDE CAMSHAFT INTERNALLY TO GO BAD. MBUSA HAD A CLASS ACTION LAW SUIT AND IT STATES THAT NON OF THE CARS HAVE THAT ISSUE WHEN IN REALITY THEY DO MBUSA STATES THAT THE CAR IS OVER 10 YEARS OLD IN THE YEAR 2015 BUT IN THE CLASS ACTION IT CLEARLY STATES 10 YEARS OR 125,000 MILES. IVE CALLED MBUSA MANY OF TIMES BUT NO REPLY PLEASE FEEL FREE TO CALL ME

Mileage: 117,000

20170303ELECTRICAL SYSTEM

TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ CLK350. WHILE THE VEHICLE WAS STATIONARY, ALL OF THE INSTRUMENT PANEL LIGHTING STOPPED WORKING. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 102,000.

Mileage: 102,000

Compare 2007MERCEDES-BENZCLK350 to Similar Vehicles

NHTSA Investigations

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Frequently Asked Questions

How many complaints does the 2007 MERCEDES-BENZ CLK350 have?
The 2007 MERCEDES-BENZ CLK350 has 50 NHTSA complaints, 0 crashes, 0 fires, 0 injuries, and 0 deaths reported.
What are the most common problems with the 2007 MERCEDES-BENZ CLK350?
The most-complained component for the 2007 MERCEDES-BENZ CLK350 is FUEL/PROPULSION SYSTEM with 13 complaints. Other frequently reported areas include AIR BAGS and POWER TRAIN.
Is the 2007 MERCEDES-BENZ CLK350 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.