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Old 07-26-2006, 12:53 PM
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Join Date: Jun 2000
Location: Saugus, CA USA
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How long does an ignition tumbler last?

What's the life expectancy of an ignition tumbler? I changed it about 100,000 miles ago and its starting to act up. I know an ounce of prevention is worth a ton of cure for these so I'll look into changing it soon (hopefully soon enough) but I've been lubing it regularly and I'm disappointed it didn't last longer.

Fortunately they just put in a new dealer nearby, I didn't have that luxury with my Peugeots. I'll have to bring my drool bucket is case they have an SLR

5 speed '91 190E 2.6 320,000 mi. (new car, fast, smooth as silk six, couldn't find any more Peugeots)
5 speed '85 Peugeot 505 2.5l Turbo Diesel 266,000 mi. (old car, fast for a diesel, had 2 others)
5 speed '01 Jetta V6 (new wifes car, pretty quick)
5 speed '85 Peugeot 505 2.2l Turbo Gas 197,000 mi. (wifes car, faster, sadly gone just short of 200k )
5 speed '83 Yamaha 750 Maxim 14,000 mi. (fastest)
0 speed 4' x 8' 1800 lb Harbor Freight utility trailer (only as fast as what's pulling it)
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Old 07-26-2006, 03:17 PM
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Join Date: Dec 2003
Location: Metro Detroit, Michigan
Posts: 17,371
More data needed

Did you replace the steering lock at the same time?

For longest durability, you need to replace the steering lock at the same time.
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Old 07-26-2006, 04:58 PM
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What's a steering lock and how much is it?
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Old 07-26-2006, 05:40 PM
whunter's Avatar
Join Date: Dec 2003
Location: Metro Detroit, Michigan
Posts: 17,371

1991 190E 2.6

Found under "Steering" in parts...

Ignition Lock Cover
Ignition Lock Cylinder
Ignition Lock Housing
Ignition Switch


Vehicle 1991 Mercedes Benz 190E 2.6
Part: Ignition Lock Housing
Does not include lock cylinder (tumbler) or ignition switch.
Year: 1990-
M5025-35448 Ignition Lock Housing IN STOCK $90.16
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Old 07-26-2006, 06:55 PM
Pete Geither's Avatar
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Join Date: Feb 2002
Location: Western Pa.
Posts: 2,417
Replaced my ingnition lock at around 110K,,, so yes,,, you are about due.
95 SL500 Smoke Silver, Parchment 64K
07 E350 4matic Station Wagon White 34K
02 E320 4Matic Silver/grey 80K
05 F150 Silver 44K
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Old 08-10-2006, 07:27 PM
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Join Date: Aug 2006
Location: Los Angeles, CA
Posts: 172
Ignition Lock replacement

My ihnition is sticking at 110-120 thousand miles too. I have been setting shifter in neutral and then the key turns and then I can start the car. Does this sound like I need a lock or lock and tumbler? I was thinking it had something to do with my fuel mix and idle problems. Maybe its just part of the laundry list of items that will need replacement at this time. I wonder if I can get an ignition lock at a good pick a part place. Maybe from a low miles wrecked car.

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Old 08-10-2006, 09:04 PM
Posts: n/a
Mine are original and they are doing just fine at 210K and 340K miles.
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Old 08-10-2006, 09:29 PM
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Join Date: Nov 2002
Location: Milford, CT
Posts: 19,307
Orignal at 255k for me, but it acts up once in awhile.
2020 GMC Sierra Denali
2007 Tiara 3200
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Old 08-11-2006, 11:18 AM
yal's Avatar
yal yal is offline
Join Date: Oct 1999
Location: New York, Long Island
Posts: 2,707
Original at 170k. I am very vigilant about keeping the pressure off the lock. If the steering wheel is not in the lock position I turn the car on and then turn the wheel to the desired position before turning the car off and locking.
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Old 08-13-2006, 11:01 PM
t walgamuth's Avatar
Join Date: Apr 2005
Location: Lafayette Indiana
Posts: 38,161
the newer style keys like are in the 126 and i believe 124 only last 100 to 150k in my experience.

like many things, the 123 style old fashoned cut keys seem to last about twice as long or longer.

tom w
[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.
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Old 08-14-2006, 12:06 AM
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Posts: 1,141
I thought it was a function on how many lbs of other keys handing on the chain.

Michael McGuire
83 300d
01 vw A4 TDI
66 Chevy Corsa
68 GMC V6 w/oD
86 300E
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Old 08-14-2006, 09:42 PM
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Join Date: Apr 2004
Location: Ontario
Posts: 145
22 yrs. on an '84 190D. Was just replaced this May '06.

1999 E430
1999 C230 Kompressor
1992 300E (write-off)
1984 190D 2.2 (sold)
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Old 08-17-2006, 09:39 PM
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Join Date: Jun 2001
Location: Northern Calif. (Fairfield Area)
Posts: 2,225
After about 1975, Ignition lock durability was not one of MBs shining achievements.
Auto Zentral Ltd.
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Old 08-18-2006, 12:46 AM
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Join Date: Mar 2002
Location: Tucson, AZ
Posts: 293
I just picked my car up from my (new) independant this morning. i would really tell anyone who hasn't changed theirs after 100000 now is a good time. better safe than sorry for the cost of parts. My 94 c280 tumbler froze and I could not turn the key (even using something to try to vibrate the tumblers free). My mechanic had a lot of extra work to extract the key/tumbler. after the 51 dollar towing bill for a 4 mile tow the, parts and labor came out to 508.06 . I'll bet if i check just the parts alone (it sounds like something I could have done myself if I could have gotten the key to the "1" position the cost would have been under 100.

(just for good measure, I am going to check how much the parts are from the stealer to see how bad the independant got me. my change to another inde!

maybe someone here knows how much the parts should be... tumbler was 107 steering lock was 99 and lock cover was 15. labor was 264.

1994 C280
2009 VW Tiguan
1993 Toyota X-tra Cab SE-5

1973 220D ... Gone, but not forgotten
1991 Alfa Romeo 164L Gone, wife MADE me forget it

2006 Hyundai Tucson... just straight out FORGOTTEN!
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