Key fob

Asked by mbLady May 03, 2012 at 10:18 AM about the 2005 Mercedes-Benz C-Class C 240 Sedan

Question type: Maintenance & Repair

My key fob on my 2005 C240 stopped working suddenly.   Can use the actual key to lock and unlock doors, but cannot use the fob.   Any suggestions as to why this is happening or how to correct it?

1 Answer
2,375

Ted answered 12 years ago

If the batteries are ok (check by pressing and holding any button, red LED should flash after 3-4 seconds), then you need to order a replacement key from MB

Mark helpful

Your Answer:

Related Questions

  • Key fob 1 Answer

    Key fob wont unlock trunk. WILL unlock all doors.

    2002 Mercedes-Benz C-Class C 320 Wagon

    -

    Maintenance & Repair

  • Key fob 1 Answer

    My key fob on my 2005 C240 stopped working suddenly. Can use the actual key to lock and unlock doors, but cannot use the fob. Any suggestions as to why this is happening or how to correct it?

    2005 Mercedes-Benz C-Class C 240 Sedan

    -

    Maintenance & Repair

  • Smart key Fob want turn. 3 Answers

    After replacing batteries in the key fob. I turn the key and the car started up. I did it a second time and the car started up! I let the car run to check everything and it was find according to the s...

    2005 Mercedes-Benz C-Class C 230 Kompressor Sedan

    -

    Maintenance & Repair

  • The Car doesn't read the key fob in cold weather. 1 Answer

    In the Morning specifically, the key-fob cannot open the car, and once I use the manual key to enter, the car won't ignite, and no lights on the dashboard or anything. I tried to change the battery,...

    2000 Mercedes-Benz C-Class C 230 Supercharged Sedan

    -

    Maintenance & Repair

  • Key Fob 1 Answer

    The key isn't working because the spring is broke what can I do

    2005 Mercedes-Benz CLK 500 Coupe

    -

    Maintenance & Repair

Shortcuts

Search Mercedes-Benz C-Class Questions

CarGurus Experts

  • #1
    Lorne Grandison
    Reputation
    12,510
  • #2
    zabi
    Reputation
    5,610
  • #3
    PPC123
    Reputation
    5,150
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Mercedes-Benz E-Class
30 Great Deals out of 496 listings starting at $5,700
Used BMW 3 Series
71 Great Deals out of 1,176 listings starting at $1,995
Used Mercedes-Benz S-Class
15 Great Deals out of 227 listings starting at $8,977
Used BMW M3
8 Great Deals out of 90 listings starting at $15,995
Used BMW 5 Series
19 Great Deals out of 321 listings starting at $4,500
Used Mercedes-Benz CLS
7 Great Deals out of 86 listings starting at $8,000
Used Dodge Charger
38 Great Deals out of 645 listings starting at $4,888
Used Lexus IS
25 Great Deals out of 311 listings starting at $5,900
Used Chevrolet Corvette
29 Great Deals out of 1,060 listings starting at $15,871

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. Content will be removed if CarGurus becomes aware that it violates our policies.