Unveiling the Revolutionary Air Suspension of the 1991 Mercedes 420SEL

The W126 generation was replaced by the W140 in 1991, although a ... The W124 Mercedes 500E was the world's most perfect sedan | Revelations with ... In the U.S., rear leveling suspension was made a standard option on both the 560 SEC and 560 SEL. Coupes were only available with this feature from the factory. This type of suspension for automobiles was inspired by the pneumatic suspension used for aircraft landing gear, which was also partly filled with oil for ... I was driving my 560SEL the other day and trying to work out what the extra $50,000 got you on top of a 420SEL. In the end I came up with the ... Fuel/air filters, spark plugs, etc. 7. Only premium gas. 8. Timing chains should usually be changed at 100k miles. If your car has more than ... Original design concept for the W126 included a grille flushed, like the frotn end of that debuted on the W140. Was thrown out as the final ... Luckily, if you do ... Replacement suspension parts are crucial for maintaining the smooth ride ... air suspension or polyurethane bushings for aftermarket ... ... Mercedes-Benz on Reddit! We are a ... was done with it. Upvote 7. Downvote Award Share. A 1991 Mercedes-Benz 420SEL Active Suspension System Diagnosis & Testing costs between $44 and $56 on average. Get a free detailed estimate for a repair in ... Front-wheel suspension: double-wishbone front axle with hydropneumatic level control system as an option. Rear-wheel suspension: semi-trailing arm axle ...