Do I have to order a new key after replace the EIS?

Asked by Jun 21, 2016 at 12:09 AM about the 2009 Mercedes-Benz C-Class C 300 Sport

Question type: Maintenance & Repair

My car recently won't start. I guess the problem comes from EIS or the Key. To
get rid of this problem I may change the EIS in a dealer shop. The question is
do I have to order a new key if I change the EIS? What is the relation between
EIS and the key? (I thought that a new EIS can be programed to fit the key and
the key can be programed to fit a new EIS. Is this right?)

2 Answers

sorry it should be a new key can be programed to fit the current EIS. still need help.

13,215

The transponder key is programed into the PCM the vehicles computer. The KEY can do nothing but send its "fixed RFID when induction excites it. regards

Your Answer

Mercedes-Benz C-Class Experts

  • #1
    Lorne Grandison
    Reputation
    5,120
  • #2
    PPC123
    Reputation
    3,680
  • #3
    zabi
    Reputation
    2,610
View All

Related Models For Sale

Used Mercedes-Benz E-Class
558 Great Deals out of 20,513 listings starting at $2,495
Used BMW 3 Series
1,048 Great Deals out of 33,471 listings starting at $1,000
Used Mercedes-Benz S-Class
138 Great Deals out of 7,092 listings starting at $2,995
Used Mercedes-Benz CLS-Class
81 Great Deals out of 2,464 listings starting at $5,950
Used BMW 5 Series
486 Great Deals out of 15,794 listings starting at $2,000
Used Audi A4
267 Great Deals out of 11,874 listings starting at $199
Used BMW M3
35 Great Deals out of 2,028 listings starting at $6,995
Used Ford Mustang
537 Great Deals out of 35,432 listings starting at $1,200
Used Mercedes-Benz M-Class
259 Great Deals out of 6,035 listings starting at $1,950
Used Mercedes-Benz CL-Class
23 Great Deals out of 498 listings starting at $3,999
Used Honda Accord
966 Great Deals out of 59,154 listings starting at $1,099
Used Chevrolet Camaro
413 Great Deals out of 30,554 listings starting at $1,450
Used Dodge Charger
394 Great Deals out of 28,196 listings starting at $2,490
Used Mercedes-Benz G-Class
10 Great Deals out of 999 listings starting at $19,995

Used Cars For Sale

2017 Mercedes-Benz C-Class C 300 Sport For Sale
64 listings starting at $28,379
2016 Mercedes-Benz C-Class C 300 Sport For Sale
81 listings starting at $24,999

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.