2005 Mercedes-Benz SLK Mercedes-Benz SLK 2005

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2005 Mercedes-Benz SLK repairs by problem area

Engine (41%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (0%)

Suspension and Steering (15%)

Electrical and Air Conditioning (26%)

Paint, Rust, Leaks, Rattles, and Trim (7%)

Other (4%)

Chart based on 46 repairs.
See TSBs and recalls for the 2005 Mercedes-Benz SLK.

2005 Mercedes-Benz SLK engine repair cost distribution

$2500+ (6%)

$1000 - $2499 (18%)

$500 - $999 (35%)

$100 - $499 (18%)

< $100 (24%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 17 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2005 Mercedes-Benz SLK 2dr Hardtop conv.

268-horsepower 3.5L V6 7-speed shiftable automatic RWD

72000 mi

US $700
there was an oil leak from under the engine that was found during a regular scheduled service. The oil seals had to be changed. 
84100 mi

US $996
electronic fuel system stopped working and the car stopped dead in traffic. Had to be towed to the repair shop where a new fuel system was installed. The cause was diagnosed to be a faulty exhaust manifold (had a leak). The leak was also repaired. 
53000 mi Minor oil leak repaired. Second minor oil leak repaired. 
68000 mi

US $700
Needed 2 motor mounts and 1 transmission mount. 
44120 mi

A $600
Oil leaking from cam magnet seal. (Engine timing affected) 
55800 mi

A $1500
Replaced engine mounts and transmission mount. Also changed brake fluid. AMAZING difference to ride and drive. Much smoother and predictable. Could have driven longer with it but really glad I had it done. 
58280 mi

A $450
Idler pulley replaced. Slight noise (like a bird chirping ) . Could have waited. WHilst it was worn, it didn't fix the chirping noise, which is from a leaking gasket. 
62600 mi

US $1200
belt drive 
23000 mi replaced ignition switch 
24000 mi

US $450
Ignition switch would not keep coding. Programming would not stick. Car would not recognize key. Very intermittent problem. MB special order part twice. 
30000 mi Replaced ignition switch 2nd time 
32000 mi Replaced ignition switch for the 3rd and final time. 
65100 mi

A $16000
Replaced fuel pump - under Alliance warranty no charge to me. 
66960 mi Replace rear oil seal - Allianz warranty. 

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2005 Mercedes-Benz SLK 2dr Hardtop conv.

268-horsepower 3.5L V6 6-speed manual RWD

119000 mi

US $1200
Slight oil leak at fitting to cooler 
110300 mi

US $500
CEL - Secondary air pump failure. Replaced relay, left & right valves. 
112000 mi

US $300
P4010 - secondary air pump problem No parts replaced mechanic used software to "reset" 

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2005 Mercedes-Benz SLK 2dr Hardtop conv.

65200 mi

£960
Intermittent ignition barrel. Various symptoms - intermittent failures in dashboard display, windows, wipers, etc. All due to one item. Part 400 labour and diagnosis 400 Plus VAT 

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See TrueDelta's information for all Convertibles
See TrueDelta's information for all Mercedes-Benz models.

2005 Mercedes-Benz SLK Engine Problems

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2005 Mercedes-Benz SLK problems occur, check out our car reliability stats.