Skip to content
Electrical systemPart report

2005 Mercedes-Benz CLK320 Electrical system Problems

Complaints
3about this part
Share
25%of 12 total for the year
Median mileage
130,000miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 3 complaints about the electrical system of the 2005 Mercedes-Benz CLK320, 25% of the 12 complaints for this model year. Where a mileage was given, the median is 130,000 miles. 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.

“My 2005 mercedes CLK320 caught fire due to an electrical short while I was driving on the freeway. I pulled over, the entire car was engulfed in flames and totaled. It started with smoke coming out of the AC vents. When I turned the AC off the smoke got worse and fire proceeded.”

NHTSA complaint #11092499, filed 2018-05, 130,000 miles

“The contact owns a 2005 mercedes benz CLK320. The contact stated that while driving at 70 MPH, the brake pedal was applied but the brakes failed to respond. In addition, the ABS warning light illuminated. The vehicle was taken to a dealer where it was diagnosed that the sensotronic brake control needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was 133,680.”

NHTSA complaint #10689619, filed 2015-02, 133,680 miles

“The contact owns a 2005 mercedes CLK320. The contact stated that the vehicle would not start. Once the vehicle was jump started all of the service lights and sensors on the instrument panel would turn on and off. The automatic seat belts would also engage and disengage on their own. The vehicle was shut off but the failures continued to occur. The vehicle was taken to an authorized dealer where they were unable to diagnose the failure; however, they suspect that it could be the electrical system. The vehicle was not repaired. The failure and current mileages were 62,000.”

NHTSA complaint #10341826, filed 2010-07, 62,000 miles

Related service bulletins

Electrical system: other model years

YearComplaintsShare of year
2005325%
2004425%
2003632%
2002850%
2001320%
2000635%
199916%

Other parts of the 2005 Mercedes-Benz CLK320

Tires
3 complaints
Air bags
2 complaints
Seat belts
2 complaints
Seats
2 complaints
Brakes
1 complaints
Other or unknown
1 complaints

← All problems reported for the 2005 Mercedes-Benz CLK320

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 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