2001 Mercedes-Benz Slk Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2001 Mercedes-Benz Slk, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Visibility627.3%
- Electrical313.6%
- Driver assistance313.6%
- Fuel system29.1%
- Engine29.1%
- Exterior lighting29.1%
- Brakes14.5%
- Steering14.5%
- Transmission14.5%
- Body & structure14.5%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
THE AUTOMATICALLY DIMMING INTERIOR REAR VIEW MIRROR HAS LEAKED PART OF LIQUID CRYSTAL FLUID, SEVERELY DISTORTING THE REFLECTED IMAGE. IN ADDITION, SINCE THE MIRROR DOES NOT HAVE ANT MANUAL ADJUSTMENT FOR DAY/NIGHT SELECTION, ANY BRIGHT LIGHTS FROM BEHIND TEND TO BLIND OR AT LEAST INTERFERE WITH THE PROPER VISION. THIS DEFECT SHOULD BE CONSIDERED A SAFETY ISSUE.THE MANUFACTURER'S QUOTE TO CORRECT THIS DEFECT IS IN EXCESS OF $300 FOR PARTS AND LABOR. THE SAME DEFECT HAS BEEN REPORTED WIDELY IN VARIOUS USER GROUPS AND FORUMS. IN THE PAST THE MIRROR'S MANUFACTURER, MAGNA DONNELLY CORPORATION OF HOLLAND, MI DID PROVIDE FREE REPLACEMENTS UNDER AN EXTENDED WARRANTY, BUT SINCE EARLY 2008 HAS DISCONTINUED TO HONOR THIS PRACTICE WITHOUT EXPLANATION. AS THIS IS A QUALITY ISSUE WITH POTENTIALLY SERIOUS SAFETY CONSEQUENCES, I REQUEST THE MANUFACTURER OF THE VEHICLE, MERCEDES BENZ, TO RECALL THE AFFECTED VEHICLES AND REPLACE THE DEFECTIVE MIRRORS. ACCORDING TO MANY OWNERS, THE AUTO DIMMING EXTERIOR MIRRORS ALSO FREQUENTLY SUFFER THE SAME FAILURES. *TR
INSIDE REAR VIEW MIRROR LEAKED AND NOW DOES NOT DIM AND IS VERY CLOUDY AND HARD TO SEE OUT OF WHEN DRIVING. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
MERCEDES BENZ SLK320 JUST DIES OUT WHILE DRIVING. NO WARNING LIGHTS OR ANYTHING BEFORE THE MOTOR STOPS AND THE CAR LOSES POWER. HAPPENS SPORADICALLY. MERCEDES BENZ CANNOT DETECT THE DIRECT PROBLEM EVEN AFTER DIAGNOSIS. CONTINUES TO BLAME IT ON SOMETHING ELSE, THEN FIXES IT, BUT IT CONTINUES TO OCCUR. *TR
I AM AN OWNER OF A 2001 SLK 320. I HAVE HAD CHRONIC PROBLEMS WITH HEADLAMPS AND BRAKE LAMPS GOING OUT , BULBS MELTING IN LAMPS ON BRAKES AS WELL AS HEADLAMPS. IN THE BEGINNING THESE REPAIRS WERE PAID UNDER MANUF. WARRANTY. HOWEVER, I AM PAYING FOR REPLACEMENT BULBS, MOST RECENTLY A HEADLAMP PROBLEM I WILL HAVE TO HAVE REPLACED AT A COST CLOSE TO $600. TODAY I RECEIVED A RECALL FROM MERCEDES NOTICE FOR THE BRAKE LAMP PROBLEM. I QUESTION THAT THE SAME MAY BE TRUE OF HEADLIGHTS. MY CONDITION OF BRAKE AND HEADLIGHTS BEING REPLACED AS WELL AS A BRAKE LAMP REPLACED IN THE PAST, WAS SO CHRONIC, I ORDERED AND PAID OUT OF POCKET FOR ELECTRICAL TESTING ON MY CAR WHERE NOTHING WRONG WAS DISCOVERED. MY POINT HERE IS THAT I FEEL IN ADDITION TO THE BRAKE LIGHT PROBLEM ADDRESSED BY MERCEDES IN MY RECALL # 2006-080005, I BELIEVE IT WOULD BE REMISS FOR SAFETY PURPOSES TO NOT ANNOUNCE THAT I BELIEVE THE SAME CONDITION APPLIES TO MY SLK HEADLIGHTS. ALSO, FOR SUCH PROBLEMS ON THE BRAKE LIGHTS THAT EXISTED IN THE PAST, WHAT RECOURSE DO I HAVE IN MONIES I LAID OUT OF POCKET, PERTAINING TO THE CHRONIC BRAKE LIGHT PROBLEM IN MY SLK 320. THANK YOU. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
WHILE DRIVING UNDER 30 MPH, VEHICLE RANDOMLY APPLIES FRONT OR REAR BRAKE CAUSING A LOUD BRAKING SQUEAL AND CAUSING THE CAR TO BUCK OR PITCH TO ONE SIDE. IT HAS OCCURRED FROM A STOPPED POSITION AS I STARTED TO ACCELERATE, BUT 90% OF THE TIME IT OCCURS AT SPEEDS UNDER 30-35 MPH WHILE JUST DRIVING IN A SIMPLE OR LONG CURVE. IT HAS ALSO HAPPENED IN PARKING LOTS WHEN APPLYING THE BRAKES BY LOCKING UP ONE OR MORE BRAKES SO HARD AS TO MAKE VERY LOUD SQUEALING SOUNDS. THIS IS VERY SCARY AND COMPLETELY UNSAFE. *TR
THE ESP LIGHT COMES ON, THE CAR PULLS TO RIGHT AND THE SPEED PEDAL DOES NOT WORK. IT HAPPENS WHILE ACCELERATING AND ALMOST HAD AN ACCIDENT DUE TO LACK OF POWER TO CROSS A MAJOR INTERSECTION. THE ESP LIGHT COMES ON AND AUTOMATICALLY DISABLES THE SPEED/GAS PEDAL. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
I HAVE A 2001 SLK320. THERE IS A PROBLEM WITH THE GAS PEDAL ASSEMBLY, SPECIFICALLY THE THROTTLE POSITION SENSOR. THE CAR DOES NOT ACCELERATE FOR 5-6 SECONDS THEN SURGES. LOTS OF CARS HAVE THIS ISSUE. MB SHOULD ISSUE A RECALL. *TR
FAILURE OF AIR MASS METER AFTER ONLY 45,000 MILES NECESSITATING REPLACEMENT. *JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
THE ENGINE DIED WHILE I WAS DRIVING IN TRAFFIC. I MANAGED TO COAST TO A CORNER AND GET OFF THE MAIN STREET. AFTER REPEATED ATTEMPTS, THE ENGINE RESTARTED AND RAN NORMALLY, ONLY TO DIE IN TRAFFIC AGAIN ABOUT 5 MINUTES LATER. *TR
CAR HESITATES SOMETIMES WHEN TAKING OFF AND ACCELERATING IF I DON'T RELEASE CLUTCH PROPERLY. IT'S AS IF THE COMPUTER TAKES OVER AND PREVENTS CAR FROM ACCELERATING. I'VE STALLED CARS; THIS IS DIFFERENT. THE STALL IS NOT RELATED TO THE SHIFTING BUT TO THE ACCELERATION. IT'S LIKE THE COMPUTER SOFTWARE TAKES OVER AND STOPS THE ACCELERATION. SUCH IS NOT NEED AND ACTUALLY MAKES LESS SAFE THE CONDITION. IF I RELEASE THE CLUTCH A BIT OUT-OF-TIME I DON'T WANT MY ACCELERATION BEING CHANGED. THIS HAS HAPPENED NINE OR MORE TIMES. I AM INDICATING A DATE BELOW BECAUSE IT IS REQUIRED. IT HAS NOT HAPPENED TAKING OFF ONTO A HIGHWAY, BUT SUCH IS A CONCERN. I DON'T LIKE MY CONTROL OVER THE ACCELERATOR BEING MANIPULATED BY SOFTWARE OR SOME COMPUTER PROGRAM. I'M 54 YEARS OLD AND HAVE DRIVEN AUTOMATICS AND MANUAL TRANSMISSIONS FOR HUNDREDS OF THOUSANDS AND MAYBE A MILLION OR MORE MILES. UNTIL THIS CAR, IF I SLIPPED A BIT ON THE CLUTCH MY ACCELERATION HAD NEVER BEFORE IN OTHER CARS BEEN AFFECTED OTHER THAN BY MY OWN FOOT TO ACCELERATOR PEDAL. WITH THIS 2001 SLK 320, I CAN DEPRESS THE PEDAL AND IT DOESN'T SPEED UP, BUT BOGS DOWN. A MECHANIC TOLD ME IT'S THE MERCEDES SAFETY FEATURE IN THE COMPUTER SOFTWARE. I FIND IT A SAFETY HAZARD, AS IT PREVENTS MY CONTROL OF THE CAR'S ACCELERATION AND CAUSE ME CONCERN AS I AM DRIVING. I JUST WANTED TO REPORT THIS, AS THE NEW STORIES BLAST TOYOTA I REALIZED I'D CHECK ON RECALLS ON THE 2001 SLK 320 MB, BUT I FOUND NONE RELATED TO THIS ISSUE. THANK YOU. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
REAR BRAKE LAMPS FAILED OVER AND OVER SINCE VEHICLE PURCHASED IN 2001. DEALER REPLACED BULBS NUMEROUS TIMES AND LAST REPLACED L & R BULBS ON 12/29/2006 AT 29005 MILES. IN APRIL 2007 A SAFETY RECALL WAS ISSUED FOR REAR BRAKE LAMPS FAILURE. REAR LAMPS FAILED ONCE AGAIN AT 39697 MILES AND VEHICLE WAS BROUGHT IN TO BEVERLY HILLS MB TO HAVE RECALL PERFORMED ON MAY 30, 2008. REAR BRAKE LAMPS HAVE FAILED ONCE AGAIN AS OF 6/1/ 2012 WITH 78000 MILES ON VEHICLE IN SPITE OF THE RECALL. INSPECTIONS BY AN INDEPENDENT MERCEDES REPAIR FACILITY AS WELL AS SIMONSON MERCEDES, SANTA MONICA REVEAL THAT THE LAMP SOCKETS ARE FAILING DUE TO ELECTRICAL ARCING AND BEGINNING TO MELT RESULTING IN FAILURE OF THE REAR BRAKE LAMPS TO FUNCTION. I AM CONCERNED THAT THIS IS A SERIOUS SAFETY ISSUE WHICH MAY RESULT IN A REAR COLLISION. I AM HOPING THAT YET ANOTHER SAFETY RECALL CAMPAIGN CAN BE INITIATED AS IT SEEMS THAT THE FIRST RECALL WAS NOT ENTIRELY EFFECTIVE. THANK YOU. *TR
I AM AN OWNER OF A 2001 SLK 320. I HAVE HAD CHRONIC PROBLEMS WITH HEADLAMPS AND BRAKE LAMPS GOING OUT , BULBS MELTING IN LAMPS ON BRAKES AS WELL AS HEADLAMPS. IN THE BEGINNING THESE REPAIRS WERE PAID UNDER MANUF. WARRANTY. HOWEVER, I AM PAYING FOR REPLACEMENT BULBS, MOST RECENTLY A HEADLAMP PROBLEM I WILL HAVE TO HAVE REPLACED AT A COST CLOSE TO $600. TODAY I RECEIVED A RECALL FROM MERCEDES NOTICE FOR THE BRAKE LAMP PROBLEM. I QUESTION THAT THE SAME MAY BE TRUE OF HEADLIGHTS. MY CONDITION OF BRAKE AND HEADLIGHTS BEING REPLACED AS WELL AS A BRAKE LAMP REPLACED IN THE PAST, WAS SO CHRONIC, I ORDERED AND PAID OUT OF POCKET FOR ELECTRICAL TESTING ON MY CAR WHERE NOTHING WRONG WAS DISCOVERED. MY POINT HERE IS THAT I FEEL IN ADDITION TO THE BRAKE LIGHT PROBLEM ADDRESSED BY MERCEDES IN MY RECALL # 2006-080005, I BELIEVE IT WOULD BE REMISS FOR SAFETY PURPOSES TO NOT ANNOUNCE THAT I BELIEVE THE SAME CONDITION APPLIES TO MY SLK HEADLIGHTS. ALSO, FOR SUCH PROBLEMS ON THE BRAKE LIGHTS THAT EXISTED IN THE PAST, WHAT RECOURSE DO I HAVE IN MONIES I LAID OUT OF POCKET, PERTAINING TO THE CHRONIC BRAKE LIGHT PROBLEM IN MY SLK 320. THANK YOU. *NM
Too few reports in this category for a page of its own — they appear in the full complaint list.
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
WHILE DRIVING UNDER 30 MPH, VEHICLE RANDOMLY APPLIES FRONT OR REAR BRAKE CAUSING A LOUD BRAKING SQUEAL AND CAUSING THE CAR TO BUCK OR PITCH TO ONE SIDE. IT HAS OCCURRED FROM A STOPPED POSITION AS I STARTED TO ACCELERATE, BUT 90% OF THE TIME IT OCCURS AT SPEEDS UNDER 30-35 MPH WHILE JUST DRIVING IN A SIMPLE OR LONG CURVE. IT HAS ALSO HAPPENED IN PARKING LOTS WHEN APPLYING THE BRAKES BY LOCKING UP ONE OR MORE BRAKES SO HARD AS TO MAKE VERY LOUD SQUEALING SOUNDS. THIS IS VERY SCARY AND COMPLETELY UNSAFE. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
PREMATURE WEARING OF STEERING COMPONENT IN 2001 SLK 320 SPORT- TIE ROD ENDS/DRAG LINK WORN OUT AFTER ONLY 48,000 MILES. FAILURE CAUSED PREMATURE WEAR IN FRONT TIRES NECESSITATING EARLY TIRE REPLACEMENT. *JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
MERCEDES BENZ AUTOS HAVE SHIFT LEVERS THAT CANNOT GET WET, OR THE CAR IS INCAPACITATED...I.E. WON'T MOVE OUT OF 1ST GEAR (5 MPH) OR AT ALL. RAIN ON AN OPEN CONVERTIBLE SHIFT LEVER (MY PROBLEM) AND/OR COFFEE OR BEVERAGE SPILLS FROM HOLDERS POSITIONED DIRECTLY ABOVE THE SHIFTER CAN TRIGGER VEHICLE INCAPACITATION.. CONSUMERS HAVE TO SELF-INSURE AGAINST THIS HAZARD AS BENZ WON'T COVER THIS WIDELY KNOWN PROBLEM BY WARRANTY. REPAIRS TYPICALLY COST MORE THAN $1000 WITH TOWING. THERE'S NO WARNING TO KEEP THE LEVER DRY TO PREVENT VEHICLE INCAPACITATION, NOT BY THE LEVER NOR IN OWNERS MANUAL; THERE'S NO EMERGENCY BONNET FOR QUICK COVER. THERE'S NO CONSUMER WARNING. MANY BENZ OWNERS EXPERIENCE THIS PROBLEM BUT BENZ MAKES NO RECALL. THE CONDITION IS A STANDING JOKE WITH TOW TRUCK DRIVERS..."ANOTHER BENZ". ALL BENZ PERSONNEL CONTACTED BY CELL PHONE (NY & CO) KNOW THE PROBLEM, BUT "CONSUMER BEWARE." A SMALL AMOUNT OF FLUID INCAPACITATES THE VEHICLE AND SUBJECTS THE DRIVER TO POTENTIAL ACCIDENTS AND ROADSIDE THREATS&THE CAR MUST BE TOWED/PARTS ORDERED. WE LOST FIVE DAYS RUINING OUR VACATION. THE IN-TRUNK SHIELD TO RECEIVE THE RETRACTING TOP WAS AJAR BECAUSE WE HAD JUST REMOVED LIGHT BULBS TO RETURN TO A STORE&THE TOP WOULD NOT RETRACT UNTIL THE SHIELD WAS ADJUSTED. THE CAR HAS AN EXTENDED LEASE WARRANTY BUT BENZ DOESN'T COVER DAMAGES AS (THE 2 MINUTE DOWNPOUR) THEY VIEW THE RAIN AS AN ACT OF GOD AND I SHOULD CONTACT MY INSURANCE COMPANY FOR TOWING AND REPAIR. TO ME, THIS IS INSURANCE FRAUD. THE DEALERSHIP PROVIDED NEITHER THE PARTS NOR THE BILLS, BUT CHARGED COSTS OF REPAIR AND TOWING ON MY AMERICAN EXPRESS CARD WITHOUT MY SIGNATURE. THE CARD WAS PROVIDED THE CO DEALER TO COVER ANY POTENTIAL COSTS OF A LOANED VEHICLE. I STILL DON'T HAVE THE ACTUAL INVOICES THE FOR APPROX $600 REPAIR AND $300 TOW (ALTHOUGH I HAVE REQUESTED THEM BY FAX). NEITHER KEELER BENZ OF LATHAM NY, GAUZER BENZ OF WESTMINISTER CO, NOR MERCEDES BENZ WILL RECTIFY THE PROBLEM...25K MILEAGE. *JB
Too few reports in this category for a page of its own — they appear in the full complaint list.
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
THE TRUNK LID ON THE MERCEDES BENZ MODEL SLK320, ALL MODEL YEARS, FALLS DOWN ON ITS OWN ONTO THE UNSUSPECTING HEAD OF THE INDIVIDUAL LOADING OR UNLOADING THE TRUNK. THIS HAS HAPPENED TO ME AND OTHER OWNERS OF THIS MODEL. WE ALL HAVE SHARED THIS PAINFUL EXPERIENCE. IT HAS HAPPENED TO ME 4 TIMES IN RECENT TIMES. THE STRUTS, RESEMBLING SHOCK ABSORBERS SIMPLY DO NOT HOLD UP THE LID TIGHTLY ENOUGH. HAS BEEN HAPPENING CONSISTENTLY; THE LID FAILS ALL THE TIME; CONSEQUENCES ARE A CUT HEAD, SLIGHT CONCUSSION AND HEADACHES; NO PARTS WERE REPLACED, IT SEEMS TO BE A DESIGN FLAW. *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
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.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .