Owners have filed 50 complaints
about the 2007 Mercedes Benz CLK350 with NHTSA between 2007 and 2025.
The largest single group is the fuel & propulsion.
Across this model's run it ranks 2 of 4 worst.
The letter says how bad. This says what kind — whether this year drew
an unusual number of complaints, unusually dangerous
ones, or failures that arrived unusually early.
The dashed ring is 50 — the national norm. Further out is worse.
Complaint volume — 74
Against the median year of the Mercedes Benz CLK350. 50 means typical for this
model; 100 means roughly double.
Severity — 0
0% of these complaints
involved a crash, fire, injury or death, against a national rate of
9.7%.
Early failure — 32
19% of failures with a mileage on record happened under
36,000 miles, against a national rate of
29%.
How 2007 compares with every other Mercedes Benz CLK350
Odometer readings owners gave when they filed. About half of all
complaints include one.
1,000 – 9,999 miles
24.7%
25,000 – 49,999 miles
920.9%
50,000 – 74,999 miles
1330.2%
75,000 – 99,999 miles
37.0%
100,000 – 149,999 miles
1330.2%
150,000+ miles
37.0%
When owners complained
A spike years after the car went on sale usually means a part wearing
out on schedule across the whole fleet — the kind of pattern no single
owner can see from inside their own car.
Oct 2007peak 3Mar 2025
Recalls on the 2007 Mercedes Benz CLK350
A complaint is one owner's allegation. A recall is the point at which
the manufacturer or a regulator agreed the defect is real and dangerous
enough to fix for free — however old the car is.
United States — NHTSA
24V874000
VISIBILITY:SUN/MOON ROOF ASSEMBLY
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please see the recall report for a complete list of models and model years. The glass sunroof panel may not be properly secured and can detach.
Risk: A detached sunroof panel can become a road hazard, increasing the risk of a crash.
22V954000
VISIBILITY:SUN/MOON ROOF ASSEMBLY
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2001-2011 C-Class, CLK, E-Class, and CLS vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The glass sunroof panel may not be properly secured and may detach.
Risk: A detached sunroof panel may become a road hazard, increasing the risk of a crash.
21V196000
VISIBILITY:SUN/MOON ROOF ASSEMBLY
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2006-2007 C350, C230, C280, CLK350, E320CDI, E350 Wagon, E350, 2006 C55 AMG, CLK500, CLS500, CLS55 AMG, E500 Wagon, E500, E55 AMG, 2007 CLK550, CLS550, CLS63 AMG, E550, E63 AMG, and E63 Wagon AMG vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly causing the glass panel to detach from the vehicle.
Risk: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.
19V918000
VISIBILITY:SUN/MOON ROOF ASSEMBLY
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2001-2011 vehicles. The bonding between the glass panel and the sliding roof frame may deteriorate, possibly resulting in the glass panel detaching from the vehicle. For a full list of the affected models visit: https://static.nhtsa.gov/odi/rcl/2019/RMISC-19V918-4126.pdf
Risk: A detached glass panel can separate from the vehicle and become a road hazard, increasing the risk of a crash.
In the owners' own words, exactly as filed with NHTSA.
at 189,000 milesOakland, CA
AIR 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.
NHTSA complaint #11650197 — an unverified report by a vehicle owner.
Chesterfield, SC
STRUCTURE: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.
NHTSA complaint #11520935 — an unverified report by a vehicle owner.
at 49,000 milesSomerset, NJ
EXTERIOR 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.
NHTSA complaint #11518321 — an unverified report by a vehicle owner.
at 145,223 milesAuburndale, FL
AIR 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.
NHTSA complaint #11405359 — an unverified report by a vehicle owner.
at 145,223 milesAuburndale, FL
VEHICLE 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.
NHTSA complaint #11405359 — an unverified report by a vehicle owner.
at 200,835 milesCarson, CA
VISIBILITY: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.
NHTSA complaint #11396704 — an unverified report by a vehicle owner.
Northridge, CA
FUEL/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.
NHTSA complaint #11374561 — an unverified report by a vehicle owner.
Little River, SC
AIR BAGS
AIRBAG PROBLEM LIGHT KEEPS COMING ON. NOT SHORE IF AIRBAG WILL WORK WHEN NEEDED
NHTSA complaint #11353398 — an unverified report by a vehicle owner.
at 89,000 milesLittle River, SC
AIR BAGS
SHOWING DRIVER SIDE AIRBAG DEFECTIVE
NHTSA complaint #11331734 — an unverified report by a vehicle owner.
at 136,000 milesDurham, NC
ENGINE
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 complaint #11331415 — an unverified report by a vehicle owner.
at 94,435 milesLittle River, SC
TIRES
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.
NHTSA complaint #11327369 — an unverified report by a vehicle owner.
Locust Grove, GA
FUEL/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
NHTSA complaint #11326410 — an unverified report by a vehicle owner.
at 155,000 milesCitrus Heights, CA
VISIBILITY/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.
NHTSA complaint #11323907 — an unverified report by a vehicle owner.
at 50,000 milesRiverview, FL
POWER 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.
NHTSA complaint #11301881 — an unverified report by a vehicle owner.
at 42,000 milesRiverview, FL
FUEL/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.
NHTSA complaint #11301880 — an unverified report by a vehicle owner.
at 66,000 milesOcean Ridge, FL
FUEL/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.
NHTSA complaint #11129919 — an unverified report by a vehicle owner.
at 103,000 milesJupiter, FL
FUEL/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 ,
NHTSA complaint #11074398 — an unverified report by a vehicle owner.
at 122,754 milesCottonwood Heights, UT
FUEL/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.
NHTSA complaint #11072411 — an unverified report by a vehicle owner.
at 117,000 milesFremont, CA
ENGINE
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 complaint #11040837 — an unverified report by a vehicle owner.
at 102,000 milesLexington, KY
ELECTRICAL 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.
NHTSA complaint #10958544 — an unverified report by a vehicle owner.
at 67,000 milesLexington Park, MD
FUEL/PROPULSION SYSTEM
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 complaint #10956030 — an unverified report by a vehicle owner.
at 59,000 milesReedley, CA
FUEL/PROPULSION SYSTEM
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 complaint #10950325 — an unverified report by a vehicle owner.
at 32,000 milesOrlando, FL
ENGINE
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 complaint #10865442 — an unverified report by a vehicle owner.
at 56,000 milesPhoenix, AZ
FUEL/PROPULSION SYSTEM
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 complaint #10849681 — an unverified report by a vehicle owner.
at 70,287 milesIrvine, CA
FUEL/PROPULSION SYSTEM
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 complaint #10839232 — an unverified report by a vehicle owner.