MERCEDES-BENZ SLK · model year

2001 MERCEDES-BENZ SLK

23 NHTSA complaints for this specific cohort.

NHTSA overall rating

Not crash-tested

New Car Assessment Program

The 2001MERCEDES-BENZSLK carries 23 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, 4 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 2001 SLK is visibility with 5 filings, followed by exterior lighting (2) and electrical system (2). 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 2001 SLK. 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.

23
Complaints
0
Crashes
0
Fires
4
Injuries
0
Deaths

Total Complaints

23 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
VISIBILITY5
EXTERIOR LIGHTING2
ELECTRICAL SYSTEM2
VEHICLE SPEED CONTROL2
ELECTRONIC STABILITY CONTROL (ESC)2
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT1
FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM1
STEERING:LINKAGES:TIE ROD ASSEMBLY1
ELECTRICAL SYSTEM:12V/24V/48V BATTERY1
VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR1
STRUCTURE1
ENGINE AND ENGINE COOLING1
ENGINE AND ENGINE COOLING:ENGINE1
FUEL SYSTEM, OTHER1
SERVICE BRAKES1

Recent Complaints

20130601ELECTRONIC STABILITY CONTROL (ESC)

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

Mileage: 110,700

20130601SERVICE BRAKES

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

Mileage: 110,700

20120709EXTERIOR LIGHTING

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

Mileage: 29,005

20111205VEHICLE SPEED CONTROL

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

Mileage: 164,000

20111205ELECTRONIC STABILITY CONTROL (ESC)

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

Mileage: 164,000

20100923VISIBILITY

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 EXTERIO

Mileage: 94,050

20100727FUEL SYSTEM, OTHER

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

Mileage: 83,000

20100718VISIBILITY

INSIDE REAR VIEW MIRROR LEAKED AND NOW DOES NOT DIM AND IS VERY CLOUDY AND HARD TO SEE OUT OF WHEN DRIVING. *TR

Mileage: 33,000

20100626ELECTRICAL SYSTEM

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

Mileage: 133,000

20100616ENGINE AND ENGINE COOLING:ENGINE

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

Mileage: 30,000

20100302VEHICLE SPEED CONTROL

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 TH

Mileage: 78,000

20100302ENGINE AND ENGINE COOLING

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 TH

Mileage: 78,000

20090618STRUCTURE

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

Mileage: 79,200

20090320VISIBILITY

INSIDE REARVIEW MIRROR FADES, BLOTCHED, FOGGED. DESCRIPTION: THE INSIDE REAR VIEW MIRROR IN MY 2001 MERCEDES-BENZ SLK 320 (R170 MODEL) IS AN ELECTRO CHROMIC SELF-DIMMING MIRROR THAT HAS NO MANUAL BACKUP. THE MIRROR CONTAINED A FLUID WHICH LEAKED OUT CAUSING THE SELF-DIMMING MIRROR TO FAIL TO PROVIDE DIMMING AGAINST REAR APPROACHING HEADLIGHTS RESULTING IN THE DRIVER TO EITHER BE BLINDED OR TO HAVE TO TURN THE MIRROR AWAY WHICH GREATLY ELIMINATES REAR VIEW CAPABILITY IN THE INTERIOR. THERE ARE MANY DOCUMENTED CASES OF THESE MIRRORS FAILING IN VARIOUS MAKES AND MODELS AS A RESULT OF USUALLY FROM THE INTERNAL FLUID LEAKING. IN A VEHICLE OWNER FORUM, OTHERS HAVE POSTED THAT THEY CONTACTED THE OEM MIRROR MAKERMAGNA DONNELLY , WHO REFUSED TO TAKE OWNERSHIP OF THE PROBLEM. THE OEM ADVICE WAS TO PURCHASE ANOTHER MIRROR AT APPROXIMATELY $200, AND PAY FOR INSTALLATION, WHICH WAS APPROXIMATELY $100 FROM THE DEALERSHIP. ABOUT A YEAR AGO, THERE IS DOCUMENTATION THAT MAGNA DONNELLY WAS REPLACING TH

Mileage: 22,000

20090116VISIBILITY

YEAR, MAKE, MODEL: 2001, MERCEDES BENZ, 170 FAILURE MILEAGE: 65000 THE INSIDE REAR VIEW MIRROR IN MY 2001 MERCEDES-BENZ SLK 320 (R170 MODEL) IS AN ELECTRO CHROMIC SELF-DIMMING MIRROR THAT HAS NO MANUAL BACKUP. THE MIRROR CONTAINED A FLUID WHICH LEAKED OUT CAUSING THE SELF-DIMMING MIRROR TO FAIL TO PROVIDE DIMMING AGAINST REAR APPROACHING HEADLIGHTS RESULTING IN THE DRIVER TO EITHER BE BLINDED OR TO HAVE TO TURN THE MIRROR AWAY WHICH GREATLY ELIMINATES REAR VIEW CAPABILITY IN THE INTERIOR. THERE ARE MANY DOCUMENTED CASES OF THESE MIRRORS FAILING IN VARIOUS MAKES AND MODELS AS A RESULT OF USUALLY FROM THE INTERNAL FLUID LEAKING. *TR

Mileage: 65,000

20081206VISIBILITY

VEHICLE TYPE IS 2001 MERCEDES BENZ SLK320 (R170 MODEL). THE INSIDE REAR VIEW MIRROR IS AN ELECTROCHROMIC SELF DIMMING MIRROR THAT HAS NO MANUAL BACKUP. THE MIRRORS FAIL LOSING THEIR ABILITY TO PROVIDE DIMMING AGAINST REAR APPROACHING HEADLIGHTS CAUSING THE DRIVER TO EITHER BE BLINDED OR TO HAVE TO TURN THE MIRROR UP AND HAVE NO REAR VIEW CAPABILITY. I KNOW OF MANY DOCUMENTED CASES OF THESE MIRRORS FAILING INCLUDING MY OWN. SOME FAIL BY JUST QUITTING WORKING WHILE OTHERS LEAK THE INTERNAL FLUID. *TR

20070529VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR

5 YEAR OLD CAR WITH 15,000 MILES (SUNNY DAY DRIVER). REAR VIEW MIRROR HAS THE AUTO TINTING FEATURE. THE LIQUID TINT BLED BETWEEN THE LAYERS OF GLASS CAUSING DIFFICULTIES SEEING THE REAR. DANGEROUS DRIVING CONDITION. *TR

Mileage: 15,000

20061120EXTERIOR LIGHTING

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

20061120ELECTRICAL SYSTEM

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

20060425ELECTRICAL SYSTEM:12V/24V/48V BATTERY

DT*: THE CONTACT STATED THE VEHICLE WAS PARKED IN A PARKING LOT FOR 45 MINUTES AFTERWARDS, WHILE ATTEMPTING TO TURN THE IGNITION ON THE BATTERY EXPLODED. THE DEALERSHIP WAS ALERTED. THE MODEL IS A SLK320.

Mileage: 38,000

Compare 2001MERCEDES-BENZSLK to Similar Vehicles

NHTSA Investigations

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Frequently Asked Questions

How many complaints does the 2001 MERCEDES-BENZ SLK have?
The 2001 MERCEDES-BENZ SLK has 23 NHTSA complaints, 0 crashes, 0 fires, 4 injuries, and 0 deaths reported.
What are the most common problems with the 2001 MERCEDES-BENZ SLK?
The most-complained component for the 2001 MERCEDES-BENZ SLK is VISIBILITY with 5 complaints. Other frequently reported areas include EXTERIOR LIGHTING and ELECTRICAL SYSTEM.
Is the 2001 MERCEDES-BENZ SLK 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.