1999 Mercedes-Benz SLK230 Electrical system Problems
- Complaints
- 14about this part
- Share
- 24%of 59 total for the year
- Median mileage
- 65,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 14 complaints about the electrical system of the 1999 Mercedes-Benz SLK230, 24% of the 59 complaints for this model year. Where a mileage was given, the median is 65,000 miles. 1 of these say a crash was involved and 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Brake light failure. I have had to change the complete socket numerous times. Each time the socket has melted. Mbusa tells me they know of the problem, but do not see any reason to fix it. Each repair runs about $300. I have had mine changed no less than 5 times in the past three years.”
NHTSA complaint #10139157, filed 2005-10, 26,000 miles“I've had a dozen bulbs/fuses blow during the life of this vehicle. I've owned other vehicles that never blew a single bulb or fuse over their lifetime. I just wonder if this is a way for mercedes benz to increase service revenues. They want over $100 to replace each bulb.”
NHTSA complaint #10038923, filed 2003-09, 56,000 miles“For my slk 230 1999 , sport package, the red and black interiors, fade away constantly , the red paint on dash and center console is very delicate, it will scratch all the way deep enough to see the black original color of the same... Cardan joints have been changed four times and keeps breaking , I have a brand new one in my trunk because the 4th one is already broken...then the asr light turns on avoiding for the asr system to work properly, can become very dangerous on wet road.. I had an accident and almost totaled my SLK230...”
NHTSA complaint #10217894, filed 2008-02, 107,000 miles“- the contact owns a 1999 mercedes benz SLK230. The contact received a recall notice for the exterior lighting:brake lights. The mercedes mechanic replaced the lights at the contacts home. Prior to replacing the lights per the recall, the lights were working. However, the lights no longer worked, and the vehicle did not start. The dealer did not want to address the failures and make the necessary repairs. The contact talked to the manager of mercedes and he was unsuccessful at gaining assistance.”
NHTSA complaint #10181425, filed 2007-02, 77,000 miles“When in traffic and idling, especially summer weather, the car stalls ocassionally and won't restart. Most times, when driving to a destination, turning the engine off, running an errand, and returning to start the engine, the engine won't start. The panel lights all light up, a click, but no crank or turning over. After letting the engine cool down or sit for a while and/or playing w/ the key / ignition, the engine eventually turns over. I've spent nearly $3,000 in repairs and the dealer cannot isolate the problem. …”
NHTSA complaint #10126138, filed 2005-06, 82,000 milesRelated service bulletins
- 10167564Jul 12, 2013Customer experiences low battery conditions, resulting in jump starts, and eventually requiring battery replacement.
- 10167563Jul 8, 2013The COMAND unit does not start or the COMAND display remains dark. The COMAND unit cannot be operated. Note: The problem disappears after a lengthy idle period (>6h) or after…
- 10135917Feb 22, 2013Malfunctions of various control units and/or on-board power supply problems caused by water in the control unit tray under the driver/front passenger seat (dislocated, pinched or…
- 10033070Dec 16, 2009Xentry (mercedes): engine warning lamp is currently on or was on and a delay fault of the camshaft adjust to current or stored in the engine control unit. Models 171, 203, 209…
Electrical system: other model years
Other parts of the 1999 Mercedes-Benz SLK230
22 complaintsExterior lighting
16 complaintsEquipment
3 complaintsFuel system
3 complaintsOther or unknown
3 complaintsEngine
2 complaintsBody and structure
2 complaintsTransmission and drivetrain
2 complaintsAir bags
1 complaintsEngine cooling
1 complaintsInterior lighting
1 complaintsSuspension
1 complaints
← All problems reported for the 1999 Mercedes-Benz SLK230
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Nov 1, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology