Q: I would like to improve performance and MPG, Is a performance chip a good option for my 2008 S550?

asked by on October 14, 2017

I would like to improve performance and MPG, Is a performance chip a good option for my 2008 S550?

My car has 70438 miles.
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

Warning lights on the dash are always lit up
The O2 sensors on on this vehicle are a known issue, and generally speaking when the O2 sensors go bad they affect the Stability control system. There have been multiple instances of these sensors failing on Toyota's between 60-70K miles....
Car squeals during the winter and transmission jerks
Hello. It sounds like it is possible that your transmission may be starting to fail. If your car is rolling when it is in park, it is not staying in the parking gear. This indicates that there may be an...
Cooling Fans
Most Vehicles now have 2 separate cooling fans. One cooling fan is intended to come on when the engine reaches a certain temperature. The other cooling fan is intended to come on when the air conditioning is turned on. When...
My van was missing and rough idling then I turned it off one day and the next day it starts then dies and some times it won't start
Hello, thanks for writing in about your 2001 Dodge Caravan. For certain, given your mileage and codes for these 2 components, replacing these 2 sensors is the minimum. Cleaning the idle air control valve, throttle body (https://www.yourmechanic.com/services/clean-throttle-body), and PCV valve...
My check engine light and traction control lights are on and the cruise control light is flashing on and off.
Hi There, What you are describing is common for a vehicle with traction control when it has been activated in a situation as you have described. The cruise control is also controlled in some cases by the traction control system...
Car immobilizer issue or faulty ignition switch?
If the vehicle is getting power and the light are coming on the dash, then the immobilizer has the ignition system disabled. Check the fuel cut off switch (vehicle safety switch) and see if it has been tripped. If the...
Small amout of oil leaking on the driveway
Hello. We will be happy to assist you. A few drops a day should not cause too much of a concern but you want to keep your eye on your oil level to make sure it doesn't get too low...
Car shuts of only in drive, at a red light.
This may be a sign of a faulty MAP sensor as the vehicle responds adversely to a load put on the motor (i.e. putting it in gear, making turns (which makes use of the power steering pressure switch) turning on...
My radiator went out but I have to pump on gas for it to start
Pumping on the gas does not do anything with a fuel injected car. Try just holding gas pedal at 1/4 throttle and see if it starts better? As far as the hard start if coolant went all over engine you...

Related articles

A Buyer’s Guide to the 2012 Mercedes-Benz R-Class BlueTEC
The The R-Class isn’t a minivan. It’s not a station wagon either – though it bears the slight air of one. Mercedes deems it a crossover, and that may be the closest appropriate designation but it’s not an exact match...
The Best Used Cars to Buy If You're a Rock Climber
If If you’re a rock climber, you want a vehicle that gets you where you need to go, even if the terrain gets rough. You may be living out of your vehicle at times, so you also want a rig...
Top Automotive News & Stories: September 24-September 30
Angry Civic Type R, 350 special edition Ferraris, Infiniti variable compression tech, Mercedes' electric future, and more.