my key will not turn in the ignition of my 2002 mercedes s430

30

Asked by Jan 23, 2015 at 12:35 PM about the 2002 Mercedes-Benz S-Class S 430

Question type: Maintenance & Repair

My key will not turn in my ignition of my 2002 mercedes s430.  Before it stopped, I was able to jiggle it a bit and it would start, that no longer works.

2 Answers

160

If this started happening after you changed batteries in your key, then it is your batteries, they are the wrong thickness, try putting key in with out batteries in case, it should turn and start right up. I had the same issue with my 2002 S500 wrong thickness or batteries, after replacing batteries, they should slid right back into casing without forcing them in case. Because that will cause laser and/or key not to be read when stuck in ignition. You should hear a small electronic click when key is inserted, if not batteries are too bid and is pushing on key laser....I hope this helps....2002S500

2 out of 2 people think this is helpful.
30

Actually, when I could not turn the key it prompted me to change the batteries, U then bought a new FOB, still did not work. The dealer said that the EIS may not be reading the key anymore (rather old) so I have just ordered a new key and waiting for delivery. I was told if that is not it, it may be in the ignition. However, if the key does not work I'll take it to the shop. Thanks

3 out of 3 people think this is helpful.

Your Answer

Add photo

Related Questions

Search Mercedes-Benz S-Class Questions

Mercedes-Benz S-Class Experts

#1 Tom Demyan
Tom Demyan
Reputation 740
#2 Michael Kane
Michael Kane
Reputation 520
#3 lightGear
lightGear
Reputation 420
View All

Related Models For Sale

Used Mercedes-Benz E-Class
481 Great Deals out of 22,736 listings starting at $1,450
Used BMW 7 Series
188 Great Deals out of 6,196 listings starting at $3,500
Used Mercedes-Benz C-Class
582 Great Deals out of 30,913 listings starting at $1,500
Used Mercedes-Benz SL-Class
67 Great Deals out of 3,140 listings starting at $3,500
Used Mercedes-Benz CL-Class
33 Great Deals out of 613 listings starting at $4,988
Used Audi A8
49 Great Deals out of 1,815 listings starting at $2,990
Used Land Rover Range Rover
99 Great Deals out of 4,731 listings starting at $5,900
Used BMW 5 Series
540 Great Deals out of 14,694 listings starting at $1,375
Used BMW 6 Series
87 Great Deals out of 3,330 listings starting at $4,500
Used Mercedes-Benz G-Class
12 Great Deals out of 1,019 listings starting at $21,000

Used Cars For Sale

2017 Mercedes-Benz S-Class For Sale
1,590 listings starting at $97,675
2016 Mercedes-Benz S-Class For Sale
5 Great Deals out of 191 listings starting at $69,977
2015 Mercedes-Benz S-Class For Sale
19 Great Deals out of 562 listings starting at $46,995
2014 Mercedes-Benz S-Class For Sale
18 Great Deals out of 545 listings starting at $42,995
2013 Mercedes-Benz S-Class For Sale
15 Great Deals out of 272 listings starting at $28,995