2005 Mercedes-Benz SLK Mercedes-Benz SLK 2005

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2005 Mercedes-Benz SLK repairs by problem area

Engine (42%)

Transmission and Drivetrain (7%)

Brakes and Traction Control (0%)

Suspension and Steering (13%)

Electrical and Air Conditioning (27%)

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

Other (4%)

Chart based on 45 repairs.
See TSBs and recalls for the 2005 Mercedes-Benz SLK.

2005 Mercedes-Benz SLK repair cost distribution

$2500+ (5%)

$1000 - $2499 (16%)

$500 - $999 (27%)

$100 - $499 (22%)

< $100 (30%)

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

Chart based on 37 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

Engine not specified

Mercedes-Benz SLK in Pennsylvania, United States
Dec 2014 - Jan 2015
Jan 2015

US $6375
car gear feels like it is in neutral when in gear. need to replace valve body and transmission b/c they found metal pieces in transmission pan. 

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2005 Mercedes-Benz SLK 2dr Hardtop conv.

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

Mercedes-Benz SLK in New South Wales, Australia
May 2013 - Jun 2018
Jan 2014

46720 mi

A $600
Oil leaking from cam magnet seal. (Engine timing affected) 
May 2017

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. 
May 2018

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. 
Mercedes-Benz SLK in South Australia, Australia
Dec 2012 - Mar 2014
Jun 2013

65100 mi

A $16000
Replaced fuel pump - under Alliance warranty no charge to me. 
Dec 2013

66960 mi
Replace rear oil seal - Allianz warranty. 
Mercedes-Benz SLK in Connecticut, United States
- Mar 2009
Mar 2005

9741 mi
rain sensor wipers not function --- rain and light sensor replced 
Nov 2007

16213 mi
driver side heating seat non-function -- seat heater replaced 
Mar 2009

25175 mi
wind noise at driver side window --- replace window trim and perform bulletin pb 72.10/51a 
Mercedes-Benz SLK in Florida, United States
Mar 2017 - Aug 2018
Apr 2017

23000 mi
replaced ignition switch Vario roof front lock cylinder leaked hydraulic fluid onto passenger seat. Hydraulic pump failed and replaced after new cylinder replaced. 
Jun 2017

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. 
Apr 2018

30000 mi
Replaced ignition switch 2nd time 
Aug 2018

32000 mi
Replaced ignition switch for the 3rd and final time. 
Mercedes-Benz SLK in California, United States
Dec 2008 - Jun 2018
Jan 2008

30000 mi
fixed under warranty right rear taillight bulb 
Oct 2013

69500 mi
the wiring harness inside the trunk had damage because of the trunk hinge (bad design). This prevented the trunk lock from opening and also shut down brake/reverse/rear fog lights from operating. 
Feb 2014

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. the left front blinker stops working even after the bulb was replaced several times during and after warranty. 
Aug 2014

74000 mi

US $1200
AC was blowing hot air (not cooling). Service tech recharged AC and found it was still not cooling, replaced compression, coil, compressor grill and a bunch of other parts. 
Mar 2015

76000 mi

US $300
Instrument Cluster stopped working. Check Engine Light. Diagnosis said electronic key is faulty. Replaced key and erased code. 
Feb 2017

81000 mi

US $600
thermostat was causing check engine light. had to be diagnosed, and replaced. 
Mar 2018

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. 
Mercedes-Benz SLK in California, United States
Oct 2012 - Sep 2016
Nov 2012

49300 mi
Speed sensor in the automatic transmission causing the car to drop into neutral with no control of the shift lever. 
Jul 2013

52300 mi

US $1900
Defective speed sensor plate. 
Jan 2014

51200 mi
Minor oil leak repaired. Second minor oil leak repaired. 
Mar 2016

68000 mi

US $700
Needed 2 motor mounts and 1 transmission mount. 
Mercedes-Benz SLK in South Carolina, United States
Jun 2012 - Jun 2018
Nov 2012

41400 mi

US $770
Power steering leak. 
Nov 2013

47000 mi

US $2300
Replace compressor. Navigation system DVD reader failed. 
Mercedes-Benz SLK in New York, United States
Sep 2012 - Jun 2014
Aug 2013

62600 mi

US $1200
belt drive 

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2005 Mercedes-Benz SLK 2dr Hardtop conv.

268-horsepower 3.5L V6 6-speed manual RWD

Mercedes-Benz SLK in New York, United States
Dec 2012 - Jul 2018
Aug 2017

46000 mi

US $300
Broken Sway Bar, Rear Right (Replaced) 
Mercedes-Benz SLK in New York, United States
Jun 2012 - Apr 2016
Aug 2012

107600 mi

US $500
auto wiper not funcitnoing 
Aug 2013

110300 mi

US $500
CEL - Secondary air pump failure. Replaced relay, left & right valves. 
Apr 2014

112000 mi

US $300
P4010 - secondary air pump problem No parts replaced mechanic used software to "reset" 
Apr 2016

121000 mi
leaking front left strut 
Mercedes-Benz SLK in New York, United States
Aug 2012 - Sep 2017
Apr 2016

112000 mi

US $1200
Replaced front struts and aligned vehicle Slight oil leak at fitting to cooler 
Mercedes-Benz SLK in Virginia, United States
Mar 2017 - Jun 2018
May 2018

57000 mi

US $100
Replaced air quality sensor and fan motor regulator 

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2005 Mercedes-Benz SLK 2dr Hardtop conv.

Mercedes-Benz SLK in Great Britain
Jun 2012 - Jun 2018
Oct 2013

46200 mi

Suspension, 420 GBP Garage advice is that this is - mainly due to state of the roads locally (and across the UK) - partly due to speed humps and the speed at which you drive over them - partly just wear and tear Amounts are in GBP windows on RHS slightly out of alignment - allowed ingress of water eg in heavy rain, 90 GBP alignment adjusted under 100 GBP Boot lid was not staying up properly one component replaced under 100GBP parts and labour all fine now 
Mar 2015

59000 mi

Worn blower motor for ventilation.replaced in 30-40 mins. All sorted. Cost is in gbp. 
Oct 2016

65200 mi

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 
Nov 2017

70000 mi

one suspension strut (i think) 

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2005 Mercedes-Benz SLK Repair Histories

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.

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