RoadVitals

2007 Mercedes-Benz CLK350 Owner Complaints

Reports submitted to NHTSA by owners and drivers, shown in full

Data refreshed

Complaints on fileComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
42
Latest Mar 24, 2025
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
0
Filed in the last 12 monthsReports filed with NHTSA in the trailing 365 days. Recent volume reflects attention and vehicle age as much as anything else.
0
Reports on file since Oct 23, 2007

What this page shows

Our database holds 42 NHTSA owner-reported complaints for the 2007 Mercedes-Benz CLK350. Each one is a report filed by an owner or driver and published by NHTSA without most of them being verified. A complaint is not a confirmed defect, not a recall and not a manufacturer bulletin. Narratives are shown exactly as filed.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Complaints, most recent first

Showing 1–25 of 42 · page 1 of 2

Airbags
Filed Mar 24, 2025

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.

NHTSA ID
11650197
Incident
Jan 10, 2025
Mileage
189,000 mi
Body & structure
Filed May 8, 2023

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.

NHTSA ID
11520935
Incident
Apr 28, 2023
Exterior lighting
Filed Apr 21, 2023

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.

NHTSA ID
11518321
Incident
Oct 1, 2020
Mileage
49,000 mi
AirbagsDriver assistance
Filed Mar 29, 2021

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.

NHTSA ID
11405359
Incident
Mar 4, 2021
Mileage
145,223 mi
Visibility
Filed Feb 17, 2021

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.

NHTSA ID
11396704
Incident
Jan 24, 2018
Mileage
200,835 mi
Fuel system
Filed Nov 13, 2020

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.

NHTSA ID
11374561
Incident
Jan 1, 2019
Airbags
Filed Sep 6, 2020

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

NHTSA ID
11353398
Incident
Jun 30, 2020
Airbags
Filed Jun 30, 2020

SHOWING DRIVER SIDE AIRBAG DEFECTIVE

NHTSA ID
11331734
Incident
Jun 30, 2020
Mileage
89,000 mi
Engine
Filed Jun 29, 2020

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.

NHTSA ID
11331415
Incident
Feb 6, 2020
Mileage
136,000 mi
Tires & wheels
Filed Jun 5, 2020

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

NHTSA ID
11327369
Incident
Jun 4, 2020
Mileage
94,435 mi
Fuel system
Filed May 28, 2020

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

NHTSA ID
11326410
Incident
Feb 4, 2020
Visibility
Filed May 8, 2020

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.

NHTSA ID
11323907
Incident
Sep 1, 2019
Mileage
155,000 mi
Powertrain (other)
Filed Jan 25, 2020

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.

NHTSA ID
11301881
Incident
Jan 2, 2020
Mileage
50,000 mi
Fuel system
Filed Jan 25, 2020

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.

NHTSA ID
11301880
Incident
Jan 1, 2020
Mileage
42,000 mi
Fuel system
Filed Sep 17, 2018

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.

NHTSA ID
11129919
Incident
Sep 1, 2018
Mileage
66,000 mi
Fuel system
Filed Feb 22, 2018

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 ,

NHTSA ID
11074398
Incident
Feb 22, 2018
Mileage
103,000 mi
Fuel system
Filed Feb 12, 2018

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.

NHTSA ID
11072411
Incident
Feb 12, 2018
Mileage
122,754 mi
Engine
Filed Oct 29, 2017

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

NHTSA ID
11040837
Incident
Oct 23, 2017
Mileage
117,000 mi
Electrical
Filed Mar 3, 2017

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.

NHTSA ID
10958544
Incident
Feb 28, 2017
Mileage
102,000 mi
Fuel system
Filed Feb 21, 2017

STRONG ODOR OF GASOLINE, MAINLY AFTER REFUELING AND THEN CONTINUING WHEN DRIVING AND WHEN STATIONARY. MECHANIC ASSESSED THAT FUEL IS LEAKING FROM THE UPPER PART OF THE GAS TANK AND THE FUEL COMPONENTS.

NHTSA ID
10956030
Incident
Feb 15, 2017
Mileage
67,000 mi
Fuel system
Filed Feb 8, 2017

VERY STRONG GASOLINE SMELL COMING FROM UNDER THE DRIVER SIDE REAR SEAT ESPECIALLY AFTER FILLING GAS TANK. MERCEDES AGREED TO WARRANTY THIS ISSUE FOR 15 YEARS ON THE E-CLASS AND CLS-CLASS. WHY DIDN'T MERCEDES AND NHTSA INCLUDE THIS MODEL (CLK) THAT HAS THE SAME PROBLEM WITH THE SAME COMPONENTS?

NHTSA ID
10950325
Incident
Nov 14, 2016
Mileage
59,000 mi
Engine
Filed May 17, 2016

TL* THE CONTACT OWNS A 2007 MERCEDES-BENZ CLK350. WHILE DRIVING AT VARIOUS SPEEDS, THE VEHICLE STALLED. THE DEALER DIAGNOSED THAT THE ELECTRONIC CONTROL VALVE FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 32,000.

NHTSA ID
10865442
Incident
Jul 17, 2015
Mileage
32,000 mi
Fuel system
Filed Mar 15, 2016

FUEL IS LEAKING FROM BOTH SENDER UNITS WHEN TANK IS MORE THAN 3/4 FULL. EXTREME FUMES WHEN CAR IS PARKED IN CLOSED GARAGE WITH A FULL TANK. SMELLS LIKE A LARGE QUANTITY OF FUEL IS LEAKING. PAID FOR THE SAME REPAIR 20K MILES AGO, NOW SAME PROBLEM HAS RETURNED. MB DEALER WILL NOT COVER UNDER WARRANTY, COST FOR REPAIR IS $1800 (PLUS ORIGINAL REPAIR). THE SYMPTOMS ARE IDENTICAL TO INVESTIGATION EA 13-003. ARE SIMILAR PARTS INVOLVED? GIVEN THE VAST NUMBER OF COMPLAINTS HERE AND ONLINE FORUMS, AN INVESTIGATION SHOULD BE DONE. THERE IS NO WAY THIS AMOUNT OF FUEL LEAKING IS NOT A SAFETY ISSUE. THIS IS LITERALLY A "TICKING TIME BOMB".

NHTSA ID
10849681
Incident
Mar 11, 2016
Mileage
56,000 mi
Fuel system
Filed Mar 1, 2016

THERE IS A STRONG GAS SMELL COMING FROM THE VEHICLE ESPECIALLY AFTER FILLING UP THE TANK. IT WAS INSPECTED AT FLETCHER JONES MERCEDES BENZ DEALER AND THE LEAK WAS FOUND AT THE FUEL TANK FILTER, LEVEL SENSOR, AND 2 SEAL RINGS. DUE TO THE COST, I DID NOT HAVE THE VEHICLE REPAIRED AT THE DEALER BUT AT A LOCAL SHOP SPECIALIZING IN MB. COST FOR THE REPAIR WAS $836.70. I AM REPORTING THIS LATE FOR PURPOSES OF SAFETY AND TRENDING.

NHTSA ID
10839232
Incident
Apr 28, 2014
Mileage
70,287 mi
Airbags
Filed Feb 15, 2016

WHEN THE SUPPLEMENTAL RESTRAINT SYSTEM LIGHT (SRS) CAME ON I WAS TOLD THE HARNESS UNDER THE SEAT HAD TO BE REPLACED AT CONSIDERABLE COST. I HAD IT REPAIRED AN A SHORT TIME LATER IT CAME ON AGAIN. I AM TOLD AGAIN I HAVE A FAULTY HARNESS AND AGAIN I MUST DO THE SAME REPAIR AT MY EXPENSE. THIS IS NOT SAFE AND MERCEDES TAKES NO RESPONSIBILITY.

NHTSA ID
10826116
Incident
Jan 15, 2015
Mileage
35,000 mi

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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